@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700;800&family=Geist+Mono:wght@400;500;600;700&family=Inter:wght@400;500;600;700;800&display=swap');

/* HeightComparisonOnline — complete plain CSS bundle.
   This file is intentionally framework-free: no Tailwind directives, CSS-in-JS,
   runtime injection, or external stylesheet dependency. */


/* ===== recovered layer: 00-base.css ===== */
/* ─── shadcn UI Modern Design Tokens ────────────────────────────── */
:root {
  color-scheme: light;
  --background: #f6f7fb;
  --foreground: #191a20;
  --surface: #ffffff;
  --surface-muted: #f0f1f6;
  --surface-strong: #23242c;
  --muted-foreground: #686b78;
  --border: #e1e3ea;
  --border-strong: #c9ccd6;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #eff6ff;
  --accent-border: #bfdbfe;
  --destructive: #c73c32;
  --destructive-hover: #a92e26;
  --positive: #39785b;
  --warning: #9a650e;
  --warning-soft: #fff5dc;
  --warning-border: #e8ca83;
  --warning-foreground: #6f4805;
  --grid-strong: #d9dbe4;
  --canvas-bg: #ffffff;
  --mascot-ink: #101116;
  --radius-sm: .375rem;
  --radius: .625rem;
  --radius-lg: .875rem;
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --font-display: Geist, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: Geist, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "Geist Mono", "SFMono-Regular", Consolas, monospace;
  --card: var(--surface);
  --card-foreground: var(--foreground);
  --popover: var(--surface);
  --popover-foreground: var(--foreground);
  --primary: var(--accent);
  --primary-foreground: #ffffff;
  --secondary: var(--surface-muted);
  --secondary-foreground: var(--foreground);
  --muted: var(--surface-muted);
  --accent-foreground: #ffffff;
  --input: var(--border);
  --ring: var(--accent);
  --radius: .625rem;
  --blue: var(--accent);
  --blue-hover: var(--accent-hover);
  --blue-subtle: var(--accent-soft);
  --blue-border: var(--accent-border);
  --pink: var(--accent);
  --pink-hover: var(--accent-hover);
  --pink-subtle: var(--accent-soft);
  --pink-border: var(--accent-border);
  --emerald: var(--accent);
  --emerald-subtle: var(--accent-soft);
  --emerald-border: var(--accent-border);
  --cyan: var(--accent);
  --slate-dark: var(--foreground);
  --slate-muted: var(--muted-foreground);
  --slate-subtle: var(--background);
  --slate-border: var(--border);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --background: #323437;
  --foreground: #f3f4f6;
  --surface: #2c2e31;
  --surface-muted: #26282b;
  --surface-strong: #1e2022;
  --muted-foreground: #9ca3af;
  --border: #3e4146;
  --border-strong: #50545c;
  --accent: #ffffff;
  --accent-hover: #e5e7eb;
  --accent-soft: rgba(255, 255, 255, 0.08);
  --accent-border: rgba(255, 255, 255, 0.16);
  --destructive: #f87171;
  --destructive-hover: #fca5a5;
  --positive: #4ade80;
  --warning: #f59e0b;
  --warning-soft: #382f1e;
  --warning-border: #78350f;
  --warning-foreground: #fde68a;
  --grid-strong: #3c3e42;
  --canvas-bg: #2c2e31;
  --mascot-ink: #f3f4f6;
  --card: var(--surface);
  --card-foreground: var(--foreground);
  --popover: var(--surface);
  --popover-foreground: var(--foreground);
  --primary: #ffffff;
  --primary-foreground: #0f172a;
  --secondary: var(--surface-muted);
  --secondary-foreground: var(--foreground);
  --muted: var(--surface-muted);
  --accent-foreground: #0f172a;
  --input: var(--border);
  --ring: rgba(255, 255, 255, 0.25);
  --blue: #e2e8f0;
  --blue-hover: #ffffff;
  --blue-subtle: rgba(255, 255, 255, 0.08);
  --blue-border: rgba(255, 255, 255, 0.16);
  --cyan: #e2e8f0;
  --slate-dark: var(--foreground);
  --slate-muted: var(--muted-foreground);
  --slate-subtle: var(--background);
  --slate-border: var(--border);
}

:root[data-theme="dark"] body {
  background-color: var(--background);
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
}


/* ─── Global Reset & Body ────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--background);
  color: var(--foreground);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--foreground);
  letter-spacing: -0.025em;
  font-weight: 700;
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  background: transparent;
  border: none;
  padding: 0;
  margin: 0;
  color: inherit;
  cursor: pointer;
  font: inherit;
  text-align: inherit;
  -webkit-appearance: none;
  appearance: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

/* ─── Board Stage Wrapper, Sidebar & Stage Layout (Matching Image 2) ─── */
.board-stage-wrapper {
  display: flex;
  flex-direction: row;
  gap: 0.75rem; /* Gap between sidebar and scale */
  border: none;
  background: transparent;
  box-shadow: none;
  overflow: visible;
  height: calc(100vh - 84px);
  min-height: 420px;
  max-height: 720px;
  width: 100%;
}

.board-sidebar,
aside.board-sidebar,
aside.w-56 {
  width: 215px;
  min-width: 215px;
  max-width: 215px;
  flex: 0 0 215px;
  background-color: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 1rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.board-stage {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  flex-direction: row;
  background-color: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 1rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
  overflow: hidden;
  position: relative;
  height: 100%;
}

.board-main-panel {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  height: 100%;
}

.category-btn:hover,
.preset-btn:hover {
  background-color: #FFFFFF;
  color: #0F172A;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

/* ─── Header Navigation (Scoped specifically to .site-header) ─────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100%;
  border-bottom: 1px solid var(--border);
  background-color: var(--surface);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.site-header .header-inner,
.site-header > .site-header-inner {
  margin-left: auto;
  margin-right: auto;
  display: flex;
  height: 3.5rem;
  max-width: 1500px;
  align-items: center;
  justify-content: space-between;
  padding-left: 1rem;
  padding-right: 1rem;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.site-header nav a {
  padding: 0.375rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted-foreground);
  transition: all 0.15s ease;
  white-space: nowrap;
}

.site-header nav a:hover {
  color: var(--foreground);
  background-color: var(--secondary);
}

.site-header nav a.active,
.site-header nav a[class*="bg-slate-100"] {
  background-color: var(--secondary);
  color: var(--foreground);
}

/* ─── Main Comparison Stage Layout ───────────────────────────────── */
.board-container {
  width: 100%;
  max-width: 1500px;
  margin-left: auto;
  margin-right: auto;
  padding: 1rem 0.5rem;
}


.sidebar-section-title {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  background-color: rgba(255, 255, 255, 0.8);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted-foreground);
}

.category-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  border-radius: 0.625rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #334155;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
}

.category-btn:hover {
  color: var(--foreground);
  background-color: #FFFFFF;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.preset-btn {
  width: 100%;
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-radius: 0.625rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #475569;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

.preset-btn:hover {
  color: var(--foreground);
  background-color: #FFFFFF;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* ─── Top Status & Diff Bar ──────────────────────────────────────── */
.diff-bar {
  height: 2.5rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  border-bottom: 1px solid var(--border);
  background-color: rgba(248, 250, 252, 0.8);
  font-size: 0.75rem;
}

/* ─── Ruler & Canvas ─────────────────────────────────────────────── */
.board-ruler {
  flex-shrink: 0;
  background-color: var(--slate-subtle);
  border-right: 1px solid var(--border);
  position: sticky;
  left: 0;
  z-index: 30;
  user-select: none;
}

.canvas-viewport {
  flex: 1;
  overflow: hidden;
  position: relative;
  min-height: 0;
  background-color: #FFFFFF;
}

/* ─── Bottom Toolbar ─────────────────────────────────────────────── */
.board-toolbar {
  height: 3.5rem;
  flex-shrink: 0;
  border-top: 1px solid var(--border);
  background-color: rgba(248, 250, 252, 0.95);
  padding: 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  overflow-x: auto;
}

/* ─── shadcn UI Component Primitives ─────────────────────────────── */

/* Button */
.ui-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  white-space: nowrap;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  transition: all 0.15s ease;
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
  outline: none;
  line-height: 1;
}

.ui-btn:focus-visible {
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.3);
}

.ui-btn:disabled {
  pointer-events: none;
  opacity: 0.5;
}

/* Button Variants */
.ui-btn-default {
  background-color: #0F172A;
  color: #FFFFFF;
  border-color: #0F172A;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}
.ui-btn-default:hover {
  background-color: #1E293B;
}

.ui-btn-blue {
  background-color: #2563EB;
  color: #FFFFFF;
  border-color: #2563EB;
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.2);
}
.ui-btn-blue:hover {
  background-color: #1D4ED8;
}

.ui-btn-pink {
  background-color: #EC4899;
  color: #FFFFFF;
  border-color: #EC4899;
  box-shadow: 0 1px 2px rgba(236, 72, 153, 0.2);
}
.ui-btn-pink:hover {
  background-color: #DB2777;
}

.ui-btn-outline {
  background-color: #FFFFFF;
  color: #1E293B;
  border-color: #E2E8F0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}
.ui-btn-outline:hover {
  background-color: #F8FAFC;
  color: #0F172A;
  border-color: #CBD5E1;
}

.ui-btn-secondary {
  background-color: #F1F5F9;
  color: #1E293B;
  border-color: #E2E8F0;
}
.ui-btn-secondary:hover {
  background-color: #E2E8F0;
}

.ui-btn-destructive {
  background-color: #EF4444;
  color: #FFFFFF;
  border-color: #EF4444;
}
.ui-btn-destructive:hover {
  background-color: #DC2626;
}

.ui-btn-ghost {
  background-color: transparent;
  color: #475569;
}
.ui-btn-ghost:hover {
  background-color: #F1F5F9;
  color: #0F172A;
}

/* Button Sizes */
.ui-btn-default { height: 2.25rem; padding: 0 1rem; }
.ui-btn-sm { height: 2rem; padding: 0 0.75rem; font-size: 0.75rem; }
.ui-btn-lg { height: 2.5rem; padding: 0 1.25rem; font-size: 0.9375rem; }
.ui-btn-icon { height: 2rem; width: 2rem; padding: 0; }

/* Badges */
.ui-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 0.375rem;
  border: 1px solid transparent;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  transition: colors 0.15s ease;
  user-select: none;
}

.ui-badge-default { background-color: #0F172A; color: #FFFFFF; }
.ui-badge-secondary { background-color: #F1F5F9; color: #334155; }
.ui-badge-outline { border-color: #E2E8F0; color: #334155; background: #FFFFFF; }
.ui-badge-blue { background-color: #EFF6FF; color: #1D4ED8; border-color: #BFDBFE; }
.ui-badge-pink { background-color: #FDF2F8; color: #BE185D; border-color: #FBCFE8; }
.ui-badge-success { background-color: #ECFDF5; color: #047857; border-color: #A7F3D0; }
:root[data-theme="dark"] .ui-badge-blue {
  background-color: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent-border);
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 20%, transparent);
}

/* Input */
.ui-input {
  display: flex;
  height: 2.25rem;
  width: 100%;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background-color: #FFFFFF;
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
  color: var(--foreground);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
  transition: all 0.15s ease;
  outline: none;
}

.ui-input:focus {
  border-color: #2563EB;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.ui-input::placeholder {
  color: #94A3B8;
}

/* Slider */
.ui-slider {
  width: 100%;
  height: 0.25rem;
  background-color: #E2E8F0;
  border-radius: 9999px;
  appearance: none;
  cursor: pointer;
  outline: none;
}

.ui-slider::-webkit-slider-thumb {
  appearance: none;
  width: 0.875rem;
  height: 0.875rem;
  border-radius: 9999px;
  background-color: #CBD5E1;
  border: 2px solid #FFFFFF;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: transform 0.1s ease, background-color 0.1s ease;
}

.ui-slider::-webkit-slider-thumb:hover {
  background-color: #94A3B8;
  transform: scale(1.1);
}

.ui-slider::-moz-range-thumb {
  width: 0.875rem;
  height: 0.875rem;
  border-radius: 9999px;
  background-color: #CBD5E1;
  border: 2px solid #FFFFFF;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: transform 0.1s ease, background-color 0.1s ease;
}

:root[data-theme="dark"] .ui-slider {
  background-color: var(--border);
}

:root[data-theme="dark"] .ui-slider::-webkit-slider-thumb {
  background-color: #3b82f6;
  border: 2px solid var(--surface);
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.45);
}

:root[data-theme="dark"] .ui-slider::-webkit-slider-thumb:hover {
  background-color: #2563eb;
  transform: scale(1.15);
}

:root[data-theme="dark"] .ui-slider::-moz-range-thumb {
  background-color: #3b82f6;
  border: 2px solid var(--surface);
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.45);
}

.ui-slider:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background-color: #E2E8F0;
}

.ui-slider:disabled::-webkit-slider-thumb {
  background-color: #CBD5E1;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

:root[data-theme="dark"] .ui-slider:disabled {
  background-color: var(--surface-muted);
}

:root[data-theme="dark"] .ui-slider:disabled::-webkit-slider-thumb {
  background-color: var(--border);
}

/* Dialog / Modal */
.ui-dialog-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background-color: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: ui-fade-in 0.15s ease-out;
}

.ui-dialog-content {
  width: 100%;
  max-width: 32rem;
  background-color: #FFFFFF;
  border-radius: 0.875rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: ui-zoom-in 0.15s ease-out;
}

.ui-dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1.25rem;
  border-bottom: 1px solid #F1F5F9;
}

.ui-dialog-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0F172A;
}

.ui-dialog-desc {
  font-size: 0.8125rem;
  color: #64748B;
  margin-top: 0.125rem;
}

.ui-dialog-close {
  color: #94A3B8;
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

.ui-dialog-close:hover {
  color: #0F172A;
  background-color: #F1F5F9;
}

/* ══════════════════════════════════════════════════════════════════ */
/* MODEL PICKER MODAL (1,000+ Calibrated Library)                    */
/* ══════════════════════════════════════════════════════════════════ */
.model-picker-dialog {
  max-width: 960px;
  width: 94vw;
  height: 86vh;
  max-height: 820px;
  display: flex;
  flex-direction: column;
}

.model-picker-body {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

.model-picker-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid #E2E8F0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #FFFFFF;
  flex-shrink: 0;
}

.model-picker-header-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0F172A;
  line-height: 1.25;
}

.model-picker-header-sub {
  font-size: 0.75rem;
  color: #64748B;
  margin-top: 0.125rem;
}

.model-picker-controls {
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid #E2E8F0;
  background-color: #F8FAFC;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  flex-shrink: 0;
}

.model-picker-categories {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  overflow-x: auto;
  padding-bottom: 2px;
  -webkit-overflow-scrolling: touch;
}

.model-picker-cat-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3125rem 0.625rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
  border: 1px solid #E2E8F0;
  background: #FFFFFF;
  color: #334155;
  cursor: pointer;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.model-picker-cat-btn:hover {
  background: #F1F5F9;
  color: #0F172A;
  border-color: #CBD5E1;
}

.model-picker-cat-btn.active {
  background: #2563EB;
  color: #FFFFFF;
  border-color: #2563EB;
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.2);
}

.model-picker-cat-count {
  font-size: 0.625rem;
  font-family: var(--font-mono);
  opacity: 0.8;
}

.model-picker-content {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 1.25rem;
  background-color: #FFFFFF;
}

.model-picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(135px, 1fr));
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .model-picker-grid {
    grid-template-columns: repeat(auto-fill, minmax(145px, 1fr));
    gap: 0.875rem;
  }
}

.model-picker-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 0.625rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: var(--surface-muted);
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
  position: relative;
  outline: none;
  width: 100%;
}

.model-picker-card:hover {
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 4px 14px -2px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

.model-picker-preview {
  width: 100%;
  height: 90px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0.35rem;
  margin-bottom: 0.4rem;
  background-color: var(--surface);
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.model-picker-card:hover .model-picker-preview {
  background-color: var(--accent-soft);
  border-color: var(--accent-border);
}

.model-picker-preview img {
  height: 100%;
  width: auto;
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  object-position: bottom center;
  display: block;
  margin: 0 auto;
  pointer-events: none;
  transition: transform 0.18s ease;
}

.model-picker-card:hover .model-picker-preview img {
  transform: scale(1.06);
}

.model-picker-name {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--foreground);
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.25;
  transition: color 0.15s ease;
}

.model-picker-card:hover .model-picker-name {
  color: var(--accent);
}

.model-picker-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  margin-top: 0.25rem;
  width: 100%;
}

.model-picker-height {
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  color: #64748B;
  font-weight: 500;
}

/* Animations */
@keyframes ui-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes ui-zoom-in {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

/* ─── General Helper Utility Classes ─────────────────────────────── */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-1 { flex: 1 1 0%; }
.shrink-0 { flex-shrink: 0; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-start { justify-content: flex-start; }

.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

@media (min-width: 640px) {
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sm\:flex-row { flex-direction: row; }
}

@media (min-width: 768px) {
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

.gap-1 { gap: 0.25rem; }
.gap-1\.5 { gap: 0.375rem; }
.gap-2 { gap: 0.5rem; }
.gap-2\.5 { gap: 0.625rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-5 > * + * { margin-top: 1.25rem; }
.space-y-8 > * + * { margin-top: 2rem; }

.hidden { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0; }
.whitespace-nowrap { white-space: nowrap; }

.w-2 { width: 0.5rem; }
.w-3 { width: 0.75rem; }
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-6 { width: 1.5rem; }
.w-7 { width: 1.75rem; }
.w-8 { width: 2rem; }
.w-9 { width: 2.25rem; }
.w-10 { width: 2.5rem; }
.w-11 { width: 2.75rem; }
.w-12 { width: 3rem; }
.w-13 { width: 3.25rem; }
.w-14 { width: 3.5rem; }
.w-16 { width: 4rem; }
.w-18 { width: 4.5rem; }
.w-20 { width: 5rem; }
.w-24 { width: 6rem; }
.w-26 { width: 6.5rem; }
.w-28 { width: 7rem; }
.w-80 { width: 20rem; }

.h-2 { height: 0.5rem; }
.h-3 { height: 0.75rem; }
.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-6 { height: 1.5rem; }
.h-7 { height: 1.75rem; }
.h-8 { height: 2rem; }
.h-9 { height: 2.25rem; }
.h-10 { height: 2.5rem; }
.h-11 { height: 2.75rem; }
.h-12 { height: 3rem; }
.h-13 { height: 3.25rem; }
.h-14 { height: 3.5rem; }
.h-16 { height: 4rem; }

.w-full { width: 100%; }
.h-full { height: 100%; }
.max-w-xs { max-width: 20rem; }
.max-w-sm { max-width: 24rem; }
.max-w-md { max-width: 28rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-6xl { max-width: 72rem; }
.max-w-7xl { max-width: 80rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-2\.5 { padding-left: 0.625rem; padding-right: 0.625rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }

.py-0\.5 { padding-top: 0.125rem; padding-bottom: 0.125rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }

.pt-2 { padding-top: 0.5rem; }
.pt-4 { padding-top: 1rem; }
.pt-6 { padding-top: 1.5rem; }
.pt-8 { padding-top: 2rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-16 { padding-bottom: 4rem; }

.m-0 { margin: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-1\.5 { margin-top: 0.375rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-1\.5 { margin-bottom: 0.375rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }
.my-3 { margin-top: 0.75rem; margin-bottom: 0.75rem; }
.my-6 { margin-top: 1.5rem; margin-bottom: 1.5rem; }
.my-8 { margin-top: 2rem; margin-bottom: 2rem; }
.my-10 { margin-top: 2.5rem; margin-bottom: 2.5rem; }

.border { border: 1px solid var(--border); }
.border-2 { border: 2px solid var(--border); }
.border-t { border-top: 1px solid var(--border); }
.border-b { border-bottom: 1px solid var(--border); }
.border-r { border-right: 1px solid var(--border); }
.border-l { border-left: 1px solid var(--border); }
.border-slate-200 { border-color: #E2E8F0; }
.border-slate-100 { border-color: #F1F5F9; }
.border-blue-200 { border-color: #BFDBFE; }

.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

.bg-white { background-color: #FFFFFF; }
.bg-slate-50 { background-color: #F8FAFC; }
.bg-slate-100 { background-color: #F1F5F9; }
.bg-slate-900 { background-color: #0F172A; }
.bg-blue-50 { background-color: #EFF6FF; }
.bg-blue-600 { background-color: #2563EB; }
.bg-pink-50 { background-color: #FDF2F8; }
.bg-pink-600 { background-color: #EC4899; }
.bg-emerald-50 { background-color: #ECFDF5; }
.bg-card { background-color: var(--card); }
.bg-background { background-color: var(--background); }

.text-white { color: #FFFFFF; }
.text-slate-400 { color: #94A3B8; }
.text-slate-500 { color: #64748B; }
.text-slate-600 { color: #475569; }
.text-slate-700 { color: #334155; }
.text-slate-800 { color: #1E293B; }
.text-slate-900 { color: #0F172A; }
.text-blue-600 { color: #2563EB; }
.text-blue-700 { color: #1D4ED8; }
.text-pink-600 { color: #EC4899; }
.text-pink-700 { color: #BE185D; }
.text-emerald-600 { color: #059669; }
.text-emerald-700 { color: #047857; }
.text-muted-foreground { color: var(--muted-foreground); }
.text-foreground { color: var(--foreground); }

.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl { font-size: 3rem; line-height: 1; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-mono { font-family: var(--font-mono); font-feature-settings: "tnum" 1, "zero" 1; }
.font-display { font-family: var(--font-display); }

.tracking-tight { letter-spacing: -0.025em; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }
.uppercase { text-transform: uppercase; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.shadow-xs { box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04); }
.shadow-sm { box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06); }
.shadow-md { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15); }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.inset-0 { inset: 0; }
.top-0 { top: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-y-auto { overflow-y: auto; }
.overflow-x-auto { overflow-x: auto; }
.select-none { user-select: none; }
.pointer-events-none { pointer-events: none; }
.cursor-pointer { cursor: pointer; }

/* Custom smooth scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #F1F5F9; }
::-webkit-scrollbar-thumb { background: #CBD5E1; border-radius: 9999px; }
::-webkit-scrollbar-thumb:hover { background: #94A3B8; }

/* Pulse animation */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }


/* Unified product layer */
:where(button, a, input, select, textarea):focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button, .ui-btn, .model-picker-card { transition: color .16s ease, background-color .16s ease, border-color .16s ease, opacity .16s ease, transform .16s ease; }
button:active:not(:disabled), .ui-btn:active:not(:disabled) { transform: translateY(1px) scale(.985); }
.board-stage-wrapper { display: flex; gap: 0; border: 0; background: transparent; box-shadow: none; overflow: visible; height: calc(100vh - 84px); min-height: 420px; max-height: 720px; width: 100%; }
.board-stage { flex: 1 1 0%; min-width: 0; display: flex; flex-direction: row; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: 0 1px 2px rgba(0,0,0,.04),0 8px 28px rgba(0,0,0,.04); overflow: hidden; position: relative; height: 100%; }
.board-main-panel { flex: 1 1 0%; min-width: 0; display: flex; flex-direction: column; overflow: hidden; position: relative; height: 100%; }
.model-picker-presets { display:flex; gap:var(--space-2); overflow-x:auto; padding-bottom:2px; }
.ui-btn-default,.ui-btn-blue { background:#2563eb; color:#fff; border-color:#2563eb; }
.ui-btn-default:hover,.ui-btn-blue:hover { background:#1d4ed8; border-color:#1d4ed8; }
.ui-btn-pink { background:#ec4899; color:#fff; border-color:#ec4899; }
:root[data-theme="dark"] .ui-btn-default,:root[data-theme="dark"] .ui-btn-blue { background:#3b82f6 !important; color:#fff !important; border-color:#3b82f6 !important; }
:root[data-theme="dark"] .ui-btn-pink { background:#f472b6 !important; color:#fff !important; border-color:#f472b6 !important; }
.bg-white,.ui-dialog-content,.model-picker-header,.model-picker-content,.model-picker-card { background-color:var(--surface); }
.bg-slate-50,.bg-slate-100 { background-color:var(--surface-muted); }
.text-slate-900,.text-slate-800,.text-slate-700 { color:var(--foreground); }
.text-slate-600,.text-slate-500,.text-slate-400 { color:var(--muted-foreground); }
.border-slate-100,.border-slate-200 { border-color:var(--border); }
.font-mono,.mono-readout { font-family:var(--font-mono); font-variant-numeric:tabular-nums; }
@media (max-width: 720px) {
  .board-stage-wrapper { height:calc(100dvh - 64px); min-height:560px; }
  .board-stage { border-radius:var(--radius); }
  .board-edit-sidebar { position:absolute; inset:0 0 0 auto; z-index:35; box-shadow:-8px 0 24px rgba(0,0,0,.12); }
  .model-picker-dialog { width:100vw; height:100dvh; max-height:none; border-radius:0; }
  .model-picker-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:var(--space-2); }
  .model-picker-content { padding:var(--space-3); }
}
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { animation-duration:.01ms; animation-iteration-count:1; scroll-behavior:auto; transition-duration:.01ms; }
}


/* Minimalist aesthetic polish */
html { scroll-behavior: smooth; }
body { background-image: radial-gradient(circle at 50% -20%, color-mix(in srgb, var(--accent) 7%, transparent), transparent 34rem); }
h1 { font-weight: 750; letter-spacing: -.04em; }
h2, h3 { letter-spacing: -.025em; }
main { width: 100%; }
.border-2 { border-width: 1px; }
.rounded { border-radius: var(--radius); }
.rounded-xl, .rounded-2xl, .rounded-3xl { border-radius: var(--radius-lg); }
.shadow-md, .shadow-lg, .shadow-xl, .shadow-2xl { box-shadow: 0 1px 2px rgba(20,21,26,.05), 0 10px 30px rgba(20,21,26,.06); }
.ui-btn { min-height: 2.5rem; padding-inline: 1rem; border-radius: var(--radius); font-weight: 650; letter-spacing: -.01em; }
.ui-btn-outline, .ui-btn-secondary { background: var(--surface); border-color: var(--border); color: var(--foreground); box-shadow: none; }
.ui-btn-ghost { color: var(--muted-foreground); }
.ui-input, input:not([type="range"]):not([type="color"]), select, textarea { border-radius: var(--radius); border-color: var(--border); background: var(--surface); color: var(--foreground); box-shadow: none; }
.ui-input:focus, input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent); }
.ui-dialog-overlay { background: color-mix(in srgb, #090a0d 58%, transparent); backdrop-filter: blur(10px); }
.ui-dialog-content { border-radius: 1rem; border-color: var(--border); box-shadow: 0 24px 80px rgba(10,10,14,.2); }
.ui-dialog-header { padding: 1.1rem 1.25rem; }
.model-picker-controls { background: var(--surface); padding: .75rem 1.25rem; }
.model-picker-cat-btn { border: 0; background: var(--surface-muted); color: var(--muted-foreground); border-radius: .55rem; box-shadow: none; }
.model-picker-cat-btn:hover { background: var(--accent-soft); color: var(--foreground); border-color: transparent; }
.model-picker-cat-btn.active { background: #2563eb; color: #fff; box-shadow: none; }
:root[data-theme="dark"] .model-picker-cat-btn.active { background: #3b82f6 !important; color: #fff !important; }
.model-picker-grid { grid-template-columns: repeat(auto-fill, minmax(128px, 1fr)); gap: .625rem; }
.model-picker-card { padding: .5rem; border-color: transparent; background: var(--surface-muted); }
.model-picker-card:hover { border-color: var(--accent-border); background: var(--surface); box-shadow: 0 8px 24px rgba(20,21,26,.08); transform: translateY(-2px); }
.model-picker-preview { height: 132px; border: 0; background: transparent; }
.board-stage { border-color: var(--border); border-radius: 1rem; box-shadow: 0 1px 2px rgba(20,21,26,.04), 0 16px 48px rgba(20,21,26,.06); }
.board-main-panel > :first-child { background: color-mix(in srgb, var(--surface) 92%, var(--accent-soft)); }
.board-stage .board-action-btn { min-height: 2.6rem; }
.board-stage [class*="border-t"], .board-stage [class*="border-b"] { border-color: var(--border); }
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; }
::selection { background: var(--accent-soft); color: var(--foreground); }
@media (max-width: 720px) {
  body { background-image: none; }
  .board-stage-wrapper { min-height: 590px; }
  .board-stage .board-action-btn { min-height: 2.75rem; }
  .model-picker-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}


/* ─── Final responsive product layer ───────────────────────────── */
html{scroll-padding-top:5rem}body{overflow-x:hidden}.skip-link{position:fixed;left:1rem;top:-4rem;z-index:100;background:var(--foreground);color:var(--surface);padding:.65rem .9rem;border-radius:.6rem;font-weight:700;transition:top .15s}.skip-link:focus{top:1rem}.page-shell{width:min(100% - 2rem,76rem);margin-inline:auto}.eyebrow{color:var(--accent);font:750 .7rem var(--font-body);letter-spacing:.14em;text-transform:uppercase}.primary-link,.secondary-link{display:inline-flex;align-items:center;justify-content:center;min-height:2.75rem;padding:.65rem 1rem;border-radius:.72rem;font-size:.85rem;font-weight:720;transition:transform .18s ease,background-color .18s ease,border-color .18s ease}.primary-link{background:var(--accent);color:#fff;border:1px solid var(--accent)}.primary-link:hover{background:var(--accent-hover);transform:translateY(-1px)}.secondary-link{background:var(--surface);color:var(--foreground);border:1px solid var(--border)}.secondary-link:hover{border-color:var(--accent-border);background:var(--accent-soft)}.text-link{color:var(--accent);font-size:.85rem;font-weight:720}.text-link:hover{text-decoration:underline;text-underline-offset:3px}.landing-page{width:100%}.landing-hero{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(22rem,.88fr);align-items:center;gap:4rem;padding-block:clamp(3.5rem,7vw,6.5rem)}.hero-copy h1{max-width:46rem;margin:.65rem 0 1rem;font-size:clamp(3rem,7vw,5.75rem);line-height:.91;letter-spacing:-.072em}.hero-lede{max-width:41rem;color:var(--muted-foreground);font-size:clamp(1rem,2vw,1.2rem);line-height:1.65}.hero-actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.7rem}.hero-proof{display:flex;flex-wrap:wrap;gap:.65rem 1.3rem;margin-top:1.8rem;color:var(--muted-foreground);font-size:.75rem}.hero-proof span{display:flex;align-items:center;gap:.35rem}.hero-proof strong{color:var(--foreground);font-weight:760}.hero-visual{position:relative;height:29rem;overflow:hidden;border:1px solid var(--border);border-radius:1.35rem;background:linear-gradient(var(--grid-strong) 1px,transparent 1px),linear-gradient(90deg,var(--surface-muted) 1px,transparent 1px),var(--surface);background-size:100% 4.5rem,4.5rem 100%;box-shadow:0 24px 70px color-mix(in srgb,var(--foreground) 9%,transparent)}.hero-baseline{position:absolute;left:1.4rem;right:1.4rem;bottom:1.35rem;height:2px;background:var(--foreground)}.hero-person{position:absolute;bottom:1.45rem;display:flex;flex-direction:column;align-items:center}.hero-person img{width:100%;height:100%;object-fit:contain;object-position:bottom center}.hero-person figcaption{position:absolute;bottom:calc(100% + .45rem);font:700 .67rem var(--font-mono);color:var(--foreground);white-space:nowrap}.hero-person-one{height:21rem;width:7.9rem;left:19%}.hero-person-two{height:18.75rem;width:5.7rem;right:19%}.hero-line{position:absolute;left:0;right:0;border-top:1px dashed var(--accent-border);color:var(--muted-foreground);font:600 .6rem var(--font-mono)}.hero-line span{position:absolute;left:.55rem;bottom:.2rem}.hero-line-1{bottom:23rem}.hero-line-2{bottom:20.75rem}.board-section{padding-block:1rem 4rem;scroll-margin-top:5rem}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:2rem;margin-bottom:1.7rem}.section-heading h2,.workflow-section h2,.tools-section h2,.faq-section h2,.directory-hero h1,.profile-hero h1{font-size:clamp(2rem,4vw,3.4rem);line-height:1.02;letter-spacing:-.055em;margin-top:.45rem}.section-heading>p{max-width:34rem;color:var(--muted-foreground);font-size:.9rem;line-height:1.65}.board-section>.w-full{padding-top:0}.feature-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;margin-block:1rem 6.5rem;border:1px solid var(--border);border-radius:1rem;overflow:hidden;background:var(--border)}.feature-strip article{padding:1.45rem;background:var(--surface)}.feature-strip article>span{font:700 .66rem var(--font-mono);color:var(--accent)}.feature-strip h3{font-size:.95rem;margin:.75rem 0 .35rem}.feature-strip p{font-size:.79rem;color:var(--muted-foreground);line-height:1.55}.discovery-section{padding-block:1rem 5rem}.mini-profile-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}.mini-profile-card{position:relative;overflow:hidden;min-height:23rem;padding:1rem;border:1px solid var(--border);border-radius:1rem;background:var(--surface);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}.mini-profile-card:hover{transform:translateY(-4px);border-color:var(--accent-border);box-shadow:0 18px 50px color-mix(in srgb,var(--foreground) 8%,transparent)}.mini-mascot{height:13rem;display:flex;align-items:flex-end;justify-content:center;margin:-.25rem -.25rem 1rem;background:linear-gradient(to top,var(--surface-muted),transparent 80%);border-bottom:1px solid var(--border)}.mini-mascot img{height:95%;max-width:70%;object-fit:contain;object-position:bottom}.mini-profile-card h3{font-size:1.05rem;margin:.3rem 0}.mini-profile-card>p:not(.eyebrow){font:700 .76rem var(--font-mono);color:var(--muted-foreground)}.mini-profile-card>span{position:absolute;left:1rem;bottom:1rem;color:var(--accent);font-size:.78rem;font-weight:720}.workflow-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:4rem;padding-block:2rem 6rem}.workflow-section>div>p+ h2{margin-top:.45rem}.workflow-section ol{list-style:none;display:grid;gap:.8rem}.workflow-section li{display:grid;grid-template-columns:2.3rem 1fr;gap:1rem;padding:1rem;border:1px solid var(--border);border-radius:.9rem;background:var(--surface)}.workflow-section li>span{display:grid;place-items:center;width:2.3rem;height:2.3rem;border-radius:.7rem;background:var(--accent-soft);color:var(--accent);font:760 .75rem var(--font-mono)}.workflow-section strong{font-size:.9rem}.workflow-section li p{margin-top:.2rem;color:var(--muted-foreground);font-size:.78rem}.tools-section{padding:3rem;border:1px solid var(--border);border-radius:1.25rem;background:var(--surface);margin-bottom:6rem}.tool-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem;margin-top:2rem}.tool-links a{display:flex;min-height:7rem;flex-direction:column;justify-content:space-between;padding:1rem;border:1px solid var(--border);border-radius:.85rem;background:var(--surface-muted);transition:transform .18s ease,border-color .18s ease}.tool-links a:hover{transform:translateY(-2px);border-color:var(--accent-border)}.tool-links strong{font-size:.88rem}.tool-links span{color:var(--accent);font-size:.72rem;font-weight:700}.faq-section{display:grid;grid-template-columns:.75fr 1.25fr;gap:4rem;padding-bottom:7rem}.faq-list{display:grid;gap:.65rem}.faq-list details{border:1px solid var(--border);border-radius:.85rem;background:var(--surface);padding:0 1rem}.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 0;cursor:pointer;font-weight:700;font-size:.88rem;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{color:var(--accent);font-size:1.2rem;transition:transform .2s}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list details p{padding:0 0 1rem;color:var(--muted-foreground);font-size:.82rem;line-height:1.65}.directory-page,.profile-page{padding-block:clamp(2rem,5vw,4.5rem) 7rem}.directory-hero,.profile-hero{display:flex;align-items:end;justify-content:space-between;gap:3rem;margin-bottom:2.5rem}.directory-hero>div,.profile-hero>div{max-width:50rem}.directory-hero p:not(.eyebrow),.profile-hero>div>p:not(.eyebrow){margin-top:1rem;color:var(--muted-foreground);font-size:1rem;line-height:1.65}.profile-directory-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.directory-card{display:grid;grid-template-columns:9rem 1fr;min-height:15rem;gap:1.2rem;padding:1rem;border:1px solid var(--border);border-radius:1rem;background:var(--surface);transition:transform .2s ease,border-color .2s ease}.directory-card:hover{transform:translateY(-2px);border-color:var(--accent-border)}.directory-mascot{display:flex;align-items:flex-end;justify-content:center;overflow:hidden;border-radius:.8rem;background:var(--surface-muted)}.directory-mascot img{height:90%;max-width:82%;object-fit:contain;object-position:bottom}.directory-card h2{font-size:1.2rem;margin:.3rem 0}.directory-card>div:last-child>p:not(.eyebrow):not(.directory-height){font-size:.78rem;color:var(--muted-foreground);line-height:1.55;margin:.65rem 0}.directory-height{font:700 .75rem var(--font-mono);color:var(--accent)}.comparison-links{margin-top:5rem;padding:2rem;border:1px solid var(--border);border-radius:1rem;background:var(--surface)}.comparison-links h2{font-size:1.6rem;margin:.35rem 0 1.25rem}.comparison-link-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem}.comparison-link-grid a{padding:.9rem;border-radius:.7rem;background:var(--surface-muted)}.comparison-link-grid strong,.comparison-link-grid span{display:block}.comparison-link-grid strong{font-size:.82rem}.comparison-link-grid span{margin-top:.25rem;color:var(--muted-foreground);font-size:.68rem}.content-card{padding:1.5rem;border:1px solid var(--border);border-radius:1rem;background:var(--surface)}.content-card h2{font-size:1.45rem;margin:.4rem 0 .75rem}.content-card p{color:var(--muted-foreground);font-size:.86rem;line-height:1.7}.directory-note{margin-top:1rem}.breadcrumbs{display:flex;flex-wrap:wrap;gap:.45rem;margin-bottom:1.5rem;color:var(--muted-foreground);font-size:.72rem}.breadcrumbs a:hover{color:var(--accent)}.profile-metrics{display:flex;gap:.55rem;margin-top:1.3rem}.profile-metrics strong{padding:.5rem .7rem;border:1px solid var(--border);border-radius:.6rem;background:var(--surface);font:700 .75rem var(--font-mono)}.profile-content-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:1rem;margin-top:1rem}.source-note{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border);font-size:.75rem}.theme-mascot{transition:filter .2s ease}.model-picker-height{font-variant-numeric:tabular-nums}.board-stage,.board-main-panel,.board-main-panel>div{background-color:var(--surface)}.canvas-viewport,.board-main-panel .bg-white,.board-main-panel [class*="bg-white"],.canvas-inner{background-color:var(--canvas-bg,var(--surface))}:root[data-theme="dark"] .theme-mascot,:root[data-theme="dark"] .model-picker-preview img{filter:invert(1) brightness(1.3)}:root[data-theme="dark"] .board-stage{box-shadow:0 16px 48px rgba(0,0,0,.25);background-color:var(--surface);border-color:var(--border)}:root[data-theme="dark"] .ui-dialog-overlay{background:rgba(10,14,23,.72);backdrop-filter:blur(4px)}[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s cubic-bezier(.2,.8,.2,1)}[data-reveal][data-visible="true"]{opacity:1;transform:none}
@media(max-width:1000px){.landing-hero{grid-template-columns:1fr;gap:2.5rem}.hero-copy h1{max-width:52rem}.hero-visual{height:25rem}.mini-profile-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-links{grid-template-columns:repeat(2,minmax(0,1fr))}.workflow-section,.faq-section{grid-template-columns:1fr;gap:2rem}.profile-directory-grid{grid-template-columns:1fr}}
@media(max-width:720px){.page-shell{width:min(100% - 1.25rem,76rem)}.landing-hero{padding-block:2.7rem 3.5rem}.hero-copy h1{font-size:clamp(2.7rem,14vw,4.2rem)}.hero-lede{font-size:.95rem}.hero-actions>*{flex:1 1 10rem}.hero-proof{display:grid;grid-template-columns:1fr 1fr}.hero-visual{height:22rem}.hero-person-one{height:16.8rem;width:6.3rem;left:15%}.hero-person-two{height:15rem;width:4.6rem;right:15%}.hero-line-1{bottom:18.8rem}.hero-line-2{bottom:16.9rem}.section-heading,.directory-hero,.profile-hero{align-items:flex-start;flex-direction:column;gap:1rem}.section-heading h2,.workflow-section h2,.tools-section h2,.faq-section h2,.directory-hero h1,.profile-hero h1{font-size:2.3rem}.board-stage-wrapper{height:calc(100dvh - 5rem);min-height:39rem;max-height:none}.board-stage{border-radius:.75rem}.board-stage-wrapper+.anything{display:none}.board-main-panel>div:first-child{min-height:2.2rem}.board-main-panel>div:first-child>div:first-child{max-width:68%;overflow:hidden;white-space:nowrap}.board-main-panel>div:last-of-type>div:nth-child(2){justify-content:flex-start;overflow-x:auto;overscroll-behavior-x:contain;padding-inline:.65rem;scrollbar-width:none}.board-main-panel>div:last-of-type>div:nth-child(2)::-webkit-scrollbar{display:none}.feature-strip{margin-bottom:4rem}.mini-profile-grid{grid-template-columns:1fr 1fr;gap:.65rem}.mini-profile-card{min-height:20rem;padding:.8rem}.mini-mascot{height:11rem}.mini-profile-card>span{left:.8rem;bottom:.8rem}.workflow-section{padding-bottom:4rem}.tools-section{padding:1.25rem;margin-inline:.625rem;margin-bottom:4rem}.faq-section{padding-bottom:5rem}.directory-card{grid-template-columns:6.5rem 1fr;min-height:13rem}.comparison-link-grid{grid-template-columns:1fr}.profile-content-grid{grid-template-columns:1fr}.profile-metrics{flex-wrap:wrap}}
@media(max-width:430px){.hero-visual{height:20rem}.hero-person-one{left:12%;height:15rem}.hero-person-two{right:12%;height:13.5rem}.hero-line-1{bottom:17rem}.hero-line-2{bottom:15.3rem}.feature-strip{grid-template-columns:1fr}.mini-profile-grid{grid-template-columns:1fr}.mini-profile-card{min-height:19rem}.tool-links{grid-template-columns:1fr}.directory-card{grid-template-columns:5.2rem 1fr;padding:.75rem}.directory-mascot img{max-width:92%}.profile-metrics strong{font-size:.67rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}[data-reveal]{opacity:1;transform:none}.mini-profile-card,.directory-card,.primary-link{transition:none}}

/* Extreme-scale comparison */
.cosmic-page{width:min(100% - 2rem,94rem)}.cosmic-facts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;margin-bottom:1rem;border:1px solid var(--border);border-radius:1rem;overflow:hidden;background:var(--border)}.cosmic-facts article{display:flex;flex-direction:column;gap:.3rem;padding:1rem;background:var(--surface)}.cosmic-facts span{font:750 .8rem var(--font-mono);color:var(--accent)}.cosmic-facts strong{font-size:.78rem}.cosmic-board{margin-inline:calc((min(100vw,94rem) - min(100vw - 2rem,94rem))/ -2);margin-bottom:1rem}.cosmic-board .board-stage-wrapper{max-height:760px}.cosmic-page .profile-content-grid{margin-bottom:3rem}@media(max-width:760px){.cosmic-page{width:min(100% - 1rem,94rem)}.cosmic-facts{grid-template-columns:repeat(2,minmax(0,1fr))}.cosmic-facts article:last-child{grid-column:1/-1}.cosmic-board{margin-inline:0}}


/* ===== recovered layer: 10-editor.css ===== */


/* ─── Editor-first and repaired component layer ─────────────────── */
.editor-first { padding: .5rem 0 3.5rem; }
.editor-first > .w-full { padding-top: .35rem; }

.model-picker-back { display: inline-flex; align-items: center; margin-bottom: .3rem; color: var(--accent); font-size: .72rem; font-weight: 720; }
.model-picker-back[hidden] { display: none; }
.model-picker-search-wrap { position: relative; width: 100%; }
.model-picker-search-icon { position: absolute; top: 50%; left: .85rem; transform: translateY(-50%); display: flex; align-items: center; justify-content: center; pointer-events: none; color: var(--muted-foreground); z-index: 10; line-height: 1; }
.model-picker-search-clear { position: absolute; top: 50%; right: .65rem; transform: translateY(-50%); display: grid; place-items: center; width: 1.8rem; height: 1.8rem; border-radius: 50%; color: var(--muted-foreground); }
.model-picker-search-clear:hover { background: var(--surface-muted); color: var(--foreground); }
.model-category-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; }
.model-category-card { display: grid; grid-template-columns: 2.65rem minmax(0,1fr) auto; align-items: center; gap: .8rem; min-height: 5.25rem; padding: .85rem; border: 1px solid var(--border); border-radius: .9rem; background: var(--surface); text-align: left; transition: transform .16s ease, border-color .16s ease, background-color .16s ease; }
.model-category-card:hover { transform: translateY(-2px); border-color: var(--accent-border); background: var(--accent-soft); }
.model-category-icon { display: grid; place-items: center; width: 2.65rem; height: 2.65rem; border-radius: .75rem; background: var(--surface-muted); color: var(--accent); font-size: 1.25rem; font-weight: 800; }
.model-category-copy { min-width: 0; display: flex; flex-direction: column; }
.model-category-copy strong { font-size: .86rem; }
.model-category-copy small { margin-top: .15rem; overflow: hidden; color: var(--muted-foreground); font-size: .68rem; line-height: 1.35; text-overflow: ellipsis; white-space: nowrap; }
.model-category-count { color: var(--muted-foreground); font: 650 .66rem var(--font-mono); }
.model-picker-result-bar { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: .8rem; color: var(--muted-foreground); font-size: .72rem; }
.model-picker-result-bar span:first-child { color: var(--foreground); font-weight: 750; }
.model-picker-subtitle { width: 100%; margin-top: .12rem; overflow: hidden; color: var(--muted-foreground); font-size: .64rem; text-overflow: ellipsis; white-space: nowrap; }
.model-picker-empty { min-height: 16rem; display: grid; place-items: center; align-content: center; gap: .35rem; color: var(--muted-foreground); text-align: center; }
.model-picker-empty > span { font-size: 2rem; color: var(--accent); }
.model-picker-empty strong { color: var(--foreground); }
.model-picker-empty p, .model-picker-limit-note { color: var(--muted-foreground); font-size: .75rem; }
.model-picker-limit-note { padding: 1rem 0 0; text-align: center; }

.draw-studio { position: relative; display: flex; flex-direction: column; width: min(96vw, 72rem); height: min(88dvh, 52rem); overflow: hidden; border: 1px solid var(--border); border-radius: 1rem; background: var(--surface); box-shadow: 0 30px 90px rgba(0,0,0,.22); }
.draw-layout { flex: 1; display: flex; min-height: 0; overflow: hidden; }
.draw-canvas-area { position: relative; flex: 1; display: flex; align-items: center; justify-content: center; min-width: 0; overflow: hidden; background: #fff; }
.draw-canvas-area canvas { position: relative; z-index: 1; display: block; width: 100%; height: 100%; touch-action: none; cursor: crosshair; }
.draw-canvas-hint { position: absolute; top: 1rem; left: 1rem; z-index: 2; padding: .4rem .6rem; border: 1px solid #e5e7eb; border-radius: .55rem; background: rgba(255,255,255,.88); color: #6b7280; font-size: .7rem; pointer-events: none; }
.draw-tools { width: 18rem; flex: 0 0 18rem; display: flex; flex-direction: column; gap: 1rem; overflow-y: auto; padding: 1rem; border-left: 1px solid var(--border); background: var(--surface-muted); }
.draw-studio button,
.draw-tools button,
.draw-modal-card button {
  text-align: center;
  justify-content: center;
}

/* Missing responsive helpers used by static content routes. */
.mt-12 { margin-top: 3rem; }
.pb-6 { padding-bottom: 1.5rem; }
.h-32 { height: 8rem; }
.h-64 { height: 16rem; }
.h-80 { height: 20rem; }
.w-72 { width: 18rem; }
.leading-tight { line-height: 1.2; }
.leading-relaxed { line-height: 1.625; }
.divide-y > * + * { border-top: 1px solid var(--border); }
.border-collapse { border-collapse: collapse; }
.table-fixed { table-layout: fixed; }
.object-contain { object-fit: contain; }
.touch-none { touch-action: none; }
.top-4 { top: 1rem; }
.right-4 { right: 1rem; }
.bottom-8 { bottom: 2rem; }
.min-w-0 { min-width: 0; }
.flex-shrink-0 { flex-shrink: 0; }

:root[data-theme="dark"] table,
:root[data-theme="dark"] .overflow-x-auto,
:root[data-theme="dark"] section[class*="bg-white"] { background-color: var(--surface); color: var(--foreground); }
:root[data-theme="dark"] [class*="text-blue-"],
:root[data-theme="dark"] [class*="text-pink-"],
:root[data-theme="dark"] [class*="text-purple-"] { color: var(--accent); }
:root[data-theme="dark"] [class*="bg-amber-50"],
:root[data-theme="dark"] [class*="bg-green-50"] { background: var(--surface-muted); }

@media (min-width: 640px) {
  .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
  .sm\:p-8 { padding: 2rem; }
  .sm\:text-lg { font-size: 1.125rem; line-height: 1.75rem; }
  .sm\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
}
@media (min-width: 1024px) {
  .lg\:text-5xl { font-size: 3rem; line-height: 1; }
}
@media (max-width: 760px) {
  .editor-first { padding-top: 0; }
  .model-picker-header { align-items: flex-start; }
  .model-picker-header-sub { max-width: 17rem; }
  .model-category-grid { grid-template-columns: 1fr; gap: .5rem; }
  .model-category-card { min-height: 4.5rem; }
  .draw-studio { width: 100vw; height: 100dvh; border: 0; border-radius: 0; }
  .draw-layout { flex-direction: column; }
  .draw-canvas-area { min-height: 48dvh; }
  .draw-tools { width: 100%; flex: 0 0 auto; max-height: 42dvh; border-top: 1px solid var(--border); border-left: 0; }
  .draw-canvas-hint { top: .65rem; left: .65rem; }
}

/* Static-route stability fixes */
main > .w-full[class*="max-w-"] { margin-inline: auto; }
.max-w-full { max-width: 100%; }
.max-h-full { max-height: 100%; }
.max-h-36 { max-height: 9rem; }
.max-h-40 { max-height: 10rem; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex-wrap { flex-wrap: wrap; }
.items-stretch { align-items: stretch; }
.leading-none { line-height: 1; }
.leading-snug { line-height: 1.375; }
.font-black { font-weight: 900; }
.font-normal { font-weight: 400; }
.font-sans { font-family: var(--font-body); }
.mb-8 { margin-bottom: 2rem; }
.mb-2\.5 { margin-bottom: .625rem; }
.mt-0\.5 { margin-top: .125rem; }
.mt-2\.5 { margin-top: .625rem; }
.gap-12 { gap: 3rem; }
.left-1\/2 { left: 50%; }
.-translate-x-1\/2 { transform: translateX(-50%); }
.opacity-40 { opacity: .4; }
.border-dashed { border-style: dashed; }
.col-span-full { grid-column: 1 / -1; }
.bg-transparent { background: transparent; }
@media (min-width: 768px) {
  .md\:col-span-2 { grid-column: span 2 / span 2; }
  .md\:grid-cols-\[1fr_280px\] { grid-template-columns: minmax(0,1fr) 280px; }
}


/* ===== recovered layer: 20-premium.css ===== */


/* ─── Premium quality-of-life layer ─────────────────────────────── */
.board-topbar {
  position: relative;
  z-index: 35;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 2.75rem;
  padding: .3rem .35rem .45rem;
}
.board-context {
  display: flex;
  align-items: center;
  gap: .45rem;
  color: var(--muted-foreground);
  font-size: .72rem;
  font-weight: 650;
}
.board-context button { color: var(--muted-foreground); font-size: inherit; }
.board-context button:hover { color: var(--accent); }
.board-context-divider { opacity: .55; }
.board-live-dot {
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--positive);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--positive) 13%, transparent);
}
kbd {
  display: inline-grid;
  place-items: center;
  min-width: 1.35rem;
  min-height: 1.25rem;
  padding: 0 .32rem;
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: .35rem;
  background: var(--surface);
  color: var(--muted-foreground);
  font: 650 .62rem var(--font-mono);
  line-height: 1;
}
.board-action-group { display: flex; align-items: center; gap: .4rem; }
.board-action-group > button,
.board-view-menu > summary {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  min-width: 2.5rem;
  border: 1px solid var(--border);
  border-radius: .72rem;
  background: color-mix(in srgb, var(--surface) 96%, var(--accent-soft));
  color: var(--muted-foreground);
  box-shadow: 0 1px 2px color-mix(in srgb, var(--foreground) 5%, transparent);
  transition: transform .16s ease, border-color .16s ease, color .16s ease, background-color .16s ease, box-shadow .16s ease;
}
.board-action-group > button:hover,
.board-view-menu > summary:hover,
.board-view-menu[open] > summary {
  color: var(--accent);
  border-color: var(--accent-border);
  background: var(--accent-soft);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 13%, transparent);
  transform: translateY(-1px);
}
.board-action-group > button:disabled { opacity: .38; box-shadow: none; transform: none; }
.board-view-menu { position: relative; }
.board-view-menu > summary { list-style: none; cursor: pointer; }
.board-view-menu > summary::-webkit-details-marker { display: none; }
.board-view-popover {
  position: absolute;
  top: calc(100% + .55rem);
  right: 0;
  z-index: 60;
  width: 15.5rem;
  padding: .55rem;
  border: 1px solid var(--border);
  border-radius: .9rem;
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  box-shadow: 0 20px 60px color-mix(in srgb, var(--foreground) 18%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  animation: premium-pop .16s cubic-bezier(.2,.8,.2,1);
}
.board-view-popover > div { padding: .5rem .55rem .65rem; border-bottom: 1px solid var(--border); margin-bottom: .3rem; }
.board-view-popover > div span,
.board-view-popover > div small { display: block; }
.board-view-popover > div span { font-size: .8rem; font-weight: 760; color: var(--foreground); }
.board-view-popover > div small { margin-top: .12rem; color: var(--muted-foreground); font-size: .65rem; }
.board-view-popover > button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 2.45rem;
  padding: .55rem;
  border-radius: .62rem;
  color: var(--foreground);
  font-size: .75rem;
  font-weight: 650;
}
.board-view-popover > button:hover { background: var(--surface-muted); }
.board-view-popover > button i {
  min-width: 2.1rem;
  padding: .18rem .35rem;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--muted-foreground);
  font: 700 .58rem var(--font-mono);
  text-align: center;
  text-transform: uppercase;
  font-style: normal;
}
.board-view-popover > button[aria-pressed="true"] i { background: var(--accent-soft); color: var(--accent); }
@keyframes premium-pop { from { opacity: 0; transform: translateY(-5px) scale(.98); } to { opacity: 1; transform: none; } }

.board-toast {
  position: fixed;
  top: 5.25rem;
  left: 50%;
  z-index: 100;
  transform: translateX(-50%);
  max-width: min(90vw, 34rem);
  padding: .72rem 1rem;
  border: 1px solid color-mix(in srgb, var(--positive) 35%, var(--border));
  border-radius: .8rem;
  background: color-mix(in srgb, var(--surface) 94%, var(--positive) 6%);
  color: var(--foreground);
  box-shadow: 0 16px 45px color-mix(in srgb, var(--foreground) 16%, transparent);
  font-size: .78rem;
  font-weight: 700;
  animation: board-toast-in .24s cubic-bezier(.2,.8,.2,1);
}
@keyframes board-toast-in { from { opacity: 0; transform: translate(-50%,-8px) scale(.97); } to { opacity: 1; transform: translateX(-50%); } }

.shortcut-overlay {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: color-mix(in srgb, #090a0d 58%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.shortcut-card {
  width: min(100%, 28rem);
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 1.15rem;
  background: var(--surface);
  box-shadow: 0 30px 90px rgba(0,0,0,.28);
  animation: premium-pop .2s cubic-bezier(.2,.8,.2,1);
}
.shortcut-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.15rem 1.2rem; border-bottom: 1px solid var(--border); }
.shortcut-header span { color: var(--accent); font-size: .62rem; font-weight: 760; letter-spacing: .12em; text-transform: uppercase; }
.shortcut-header h2 { margin-top: .2rem; font-size: 1.15rem; }
.shortcut-header button { display: grid; place-items: center; width: 2.25rem; height: 2.25rem; border-radius: .65rem; color: var(--muted-foreground); }
.shortcut-header button:hover { background: var(--surface-muted); color: var(--foreground); }
.shortcut-list { display: grid; padding: .65rem; }
.shortcut-list > div { display: grid; grid-template-columns: 7.5rem 1fr; align-items: center; min-height: 2.8rem; padding: .4rem .55rem; border-radius: .65rem; }
.shortcut-list > div:hover { background: var(--surface-muted); }
.shortcut-list dt { display: flex; gap: .25rem; }
.shortcut-list dd { color: var(--muted-foreground); font-size: .78rem; }

.subject-figure,
.subject-figure:focus,
.subject-figure:focus-visible {
  border-radius: .5rem;
  outline: none !important;
  border: none !important;
  box-shadow: none !important;
}
.subject-figure[aria-pressed="true"]::after,
.subject-figure.is-selected::after {
  display: none !important;
  content: none !important;
}

/* Premium depth without visual noise. */
.board-stage {
  border-color: color-mix(in srgb, var(--border) 82%, var(--accent) 18%);
  box-shadow: 0 1px 2px color-mix(in srgb, var(--foreground) 4%, transparent), 0 20px 60px color-mix(in srgb, var(--foreground) 8%, transparent);
}
.board-main-panel > div:first-child { background: color-mix(in srgb, var(--surface) 95%, var(--accent-soft)); }
.board-main-panel > div:last-of-type { background: color-mix(in srgb, var(--surface) 97%, var(--accent-soft)); }
.model-picker-dialog { box-shadow: 0 30px 100px rgba(0,0,0,.24); }
.model-category-card,
.model-picker-card { box-shadow: 0 1px 2px color-mix(in srgb, var(--foreground) 4%, transparent); }
.model-category-card:hover,
.model-picker-card:hover { box-shadow: 0 16px 35px color-mix(in srgb, var(--foreground) 10%, transparent); }
.model-picker-search { min-height: 2.8rem; padding-left: .9rem; }

@media (max-width: 720px) {
  .board-topbar { min-height: 3rem; padding-inline: .15rem; }
  .board-context-divider,
  .board-context > span:nth-child(2) { display: none; }
  .board-context button { min-height: 2.5rem; padding-inline: .45rem; }
  .board-action-group { gap: .3rem; }
  .board-action-group > button,
  .board-view-menu > summary { width: 2.65rem; height: 2.65rem; }
  .board-view-popover { position: fixed; top: auto; right: .65rem; bottom: .65rem; left: .65rem; width: auto; }
  .shortcut-card { max-height: 85dvh; overflow-y: auto; }
  .shortcut-list > div { grid-template-columns: 6.5rem 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .board-toast,.shortcut-card,.board-view-popover { animation: none; }
}


/* ===== recovered layer: 30-ruler-media.css ===== */


/* ─── Complete dual-unit ruler ──────────────────────────────────── */
.board-ruler-overlay::before,
.board-ruler-overlay::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 4.75rem;
  pointer-events: none;
  z-index: -1;
}
.board-ruler-overlay::before {
  left: 0;
  background: linear-gradient(90deg, var(--surface) 20%, color-mix(in srgb, var(--surface) 82%, transparent), transparent);
}
.board-ruler-overlay::after {
  right: 0;
  background: linear-gradient(270deg, var(--surface) 20%, color-mix(in srgb, var(--surface) 82%, transparent), transparent);
}
.ruler-unit-label {
  position: absolute;
  top: .75rem;
  z-index: 3;
  padding: .2rem .45rem;
  border-radius: .35rem;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  color: var(--foreground);
  font: 700 .72rem/1 var(--font-mono);
  letter-spacing: .04em;
  text-transform: uppercase;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  user-select: none;
}
.ruler-unit-left { left: .75rem; text-align: left; }
.ruler-unit-right { right: .75rem; text-align: right; }
.ruler-tick-label {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  color: var(--muted-foreground);
  font: 550 .72rem/1 var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
  user-select: none;
  white-space: nowrap;
}
.ruler-tick-left { left: .75rem; text-align: left; }
.ruler-tick-right { right: .75rem; text-align: right; }
.ruler-tick-notch {
  display: inline-block;
  width: 7px;
  height: 1px;
  opacity: .55;
  transition: opacity .15s ease, background-color .15s ease;
}
.ruler-tick-notch-left {
  margin-left: 6px;
  background: linear-gradient(to right, var(--muted-foreground), var(--accent));
}
.ruler-tick-notch-right {
  margin-right: 6px;
  background: linear-gradient(to left, var(--muted-foreground), var(--accent));
}
.board-main-panel .relative.bg-white.select-none > .absolute.left-0.right-0.pointer-events-none {
  opacity: .82;
}
:root[data-theme="dark"] .ruler-unit-label {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  color: #94a3b8;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}
:root[data-theme="dark"] .ruler-tick-label {
  color: rgba(226, 232, 240, 0.72);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
}
:root[data-theme="dark"] .ruler-tick-notch {
  opacity: .75;
}
:root[data-theme="dark"] .board-main-panel .relative.bg-white.select-none > .absolute.left-0.right-0.pointer-events-none { opacity: .72; }
@media (max-width: 720px) {
  .board-ruler-overlay::before,
  .board-ruler-overlay::after { width: 3.7rem; }
  .ruler-unit-label { font-size: .65rem; padding: .15rem .35rem; }
  .ruler-tick-label { font-size: .62rem; }
  .ruler-unit-left,.ruler-tick-left { left: .45rem; }
  .ruler-unit-right,.ruler-tick-right { right: .45rem; }
  .ruler-tick-notch { width: 4px; }
}


/* ─── Premium measurement labels and dock controls ─────────────── */
.subject-detail-card {
  position: absolute;
  z-index: 24;
  display: grid;
  justify-items: center;
  width: max-content;
  min-width: 6.8rem;
  max-width: 13rem;
  padding: .15rem .6rem 0;
  transform: translateX(-50%);
  color: var(--foreground);
  text-align: center;
  pointer-events: auto; cursor: pointer;
  user-select: none;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.25));
  transition: transform 0.15s ease, filter 0.15s ease;
}
.subject-detail-card strong {
  max-width: 12rem;
  overflow: hidden;
  color: var(--foreground);
  font: 700 .84rem/1.2 var(--font-display);
  letter-spacing: -.015em;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.subject-detail-metric {
  margin-top: .22rem;
  color: var(--accent);
  font: 700 .78rem/1.1 var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}
.subject-detail-imperial {
  margin-top: .15rem;
  color: var(--muted-foreground);
  font: 550 .72rem/1.1 var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.subject-detail-card i {
  display: block;
  width: min(8rem, calc(100% + 1rem));
  height: 2px;
  margin-top: .45rem;
  border-radius: 999px;
  background: #0f172a;
  box-shadow: none;
  transition: all .2s ease;
}
.subject-detail-card.is-active i,
.subject-detail-card.is-selected i,
.subject-detail-card:hover i {
  background: #2563eb;
  box-shadow: 0 0 4px rgba(37, 99, 235, 0.3);
}
:root[data-theme="dark"] .subject-detail-card.is-active i,
:root[data-theme="dark"] .subject-detail-card.is-selected i,
:root[data-theme="dark"] .subject-detail-card:hover i {
  background: #3b82f6;
}
.subject-detail-card.is-selected { color: var(--accent); }
:root[data-theme="dark"] .subject-detail-card strong {
  color: var(--foreground);
  text-shadow: none;
}
:root[data-theme="dark"] .subject-detail-metric {
  color: #ffffff;
  text-shadow: none;
}
:root[data-theme="dark"] .subject-detail-imperial {
  color: var(--muted-foreground);
  text-shadow: none;
}
:root[data-theme="dark"] .subject-detail-card i {
  background: var(--foreground);
  box-shadow: none;
}
:root[data-theme="dark"] .subject-detail-card.is-active i,
:root[data-theme="dark"] .subject-detail-card.is-selected i,
:root[data-theme="dark"] .subject-detail-card:hover i {
  background: #ffffff;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.4);
}
:root[data-theme="dark"] .subject-detail-card.is-selected strong {
  color: #ffffff;
}

/* ─── Polished Board Toolbar & Action Buttons ───────────────────── */
.board-action-tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--foreground);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: all 0.15s ease;
  cursor: pointer;
}
.board-action-tool-btn:hover:not(:disabled) {
  background: var(--surface-muted);
  border-color: var(--accent-border);
  color: var(--accent);
}
.board-action-tool-btn:disabled {
  opacity: 0.35;
  pointer-events: none;
}
.board-action-tool-danger:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.4);
  color: #ef4444;
}

.board-status-bar {
  background: color-mix(in srgb, var(--surface) 95%, var(--accent-soft));
  border-bottom: 1px solid var(--border);
}
.board-diff-label {
  color: var(--muted-foreground);
}

/* ─── Bottom Action Bar Buttons ─────────────────────────────────── */
.board-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 650;
  cursor: pointer;
  user-select: none;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}
.board-action-btn:active {
  transform: scale(0.98);
}

/* 1. Add Model (Primary) */
.board-action-add {
  background-color: #2563eb;
  color: #ffffff !important;
  border: 1px solid #2563eb;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
}
.board-action-add:hover {
  background-color: #1d4ed8;
  border-color: #1d4ed8;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.45);
}
/* Dark mode: brighter blue so it pops on dark surface */
:root[data-theme="dark"] .board-action-add {
  background-color: #3b82f6 !important;
  color: #ffffff !important;
  border: 1px solid #3b82f6 !important;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.5);
}
:root[data-theme="dark"] .board-action-add:hover {
  background-color: #2563eb !important;
  border-color: #2563eb !important;
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.6);
}

/* 2. Add PNG (Secondary Surface) */
.board-action-png {
  background-color: var(--surface-muted);
  color: var(--foreground);
  border: 1px solid var(--border);
}
.board-action-png:hover {
  background-color: var(--surface-muted);
  border-color: var(--border-strong);
}
:root[data-theme="dark"] .board-action-png {
  background-color: #2a2d32;
  color: #e2e8f0 !important;
  border: 1px solid #3e4146;
}
:root[data-theme="dark"] .board-action-png:hover {
  background-color: #3e4146;
  border-color: #5a5e66;
  color: #ffffff !important;
}

/* 3. Draw (Creative Purple/Indigo Accent in light, sleek neutral in dark) */
.board-action-draw {
  background-color: #faf5ff;
  color: #9333ea;
  border: 1px solid #e9d5ff;
}
.board-action-draw:hover {
  background-color: #f3e8ff;
  border-color: #d8b4fe;
}
:root[data-theme="dark"] .board-action-draw {
  background-color: #2a2d32;
  color: #e2e8f0 !important;
  border: 1px solid #3e4146;
  box-shadow: none;
}
:root[data-theme="dark"] .board-action-draw:hover {
  background-color: #3e4146;
  border-color: #5a5e66;
  color: #ffffff !important;
  box-shadow: none;
}

/* 4. Edit (Contextual Modifier) */
.board-action-edit {
  background-color: var(--surface-muted);
  color: var(--foreground);
  border: 1px solid var(--border);
}
.board-action-edit:hover {
  background-color: var(--surface-muted);
  border-color: var(--border-strong);
}
:root[data-theme="dark"] .board-action-edit {
  background-color: #2a2d32;
  color: #e2e8f0 !important;
  border: 1px solid #3e4146;
}
:root[data-theme="dark"] .board-action-edit:hover {
  background-color: #3e4146;
  border-color: #5a5e66;
  color: #ffffff !important;
}
.board-action-edit.is-active {
  background-color: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 25%, transparent);
}
:root[data-theme="dark"] .board-action-edit.is-active {
  background-color: color-mix(in srgb, var(--accent) 20%, transparent);
  color: #93c5fd !important;
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(37, 99, 235, 0.35);
}

/* View Mode Segmented Capsule */
.board-view-modes {
  background-color: var(--surface-muted);
  border: 1px solid var(--border);
}
.board-view-mode-btn {
  height: 1.75rem;
  padding: 0 0.875rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 550;
  color: var(--muted-foreground);
  background: transparent;
  border: none;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.board-view-mode-btn:hover:not(:disabled) {
  color: var(--foreground);
}
.board-view-mode-btn.is-active {
  background-color: #2563eb;
  color: #ffffff !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  font-weight: 600;
}
/* Dark: slightly brighter blue so it pops on dark surface */
:root[data-theme="dark"] .board-view-mode-btn.is-active {
  background-color: #3b82f6;
  color: #ffffff !important;
  box-shadow: 0 1px 6px rgba(59, 130, 246, 0.5);
  font-weight: 700;
}

/* Zoom Buttons */
.board-zoom-btn {
  background-color: var(--surface);
  border: 1px solid var(--border);
  color: var(--foreground);
  transition: all 0.15s ease;
}
.board-zoom-btn:hover {
  background-color: var(--surface-muted);
  border-color: var(--accent);
  color: var(--accent);
}
.subject-detail-card-compact {
  min-width: 2.2rem;
  max-width: 4rem;
  padding-inline: .1rem;
}
.subject-detail-card-compact strong { max-width: 4rem; font-size: .44rem; }
.subject-detail-card-compact .subject-detail-metric { margin-top: .08rem; font-size: .42rem; }
.subject-detail-card-compact .subject-detail-imperial { display: none; }
.subject-detail-card-compact i { width: 90%; margin-top: .18rem; }
.board-action-group {
  align-items: end;
  padding: .25rem;
  border: 1px solid var(--border);
  border-radius: .95rem;
  background: color-mix(in srgb, var(--surface) 91%, transparent);
  box-shadow: 0 12px 32px color-mix(in srgb, #111 9%, transparent);
  backdrop-filter: blur(18px);
}
.board-action-group > button,
.board-action-group > details > summary {
  position: relative;
  transition: transform .24s cubic-bezier(.16,1,.3,1), background-color .2s, border-color .2s, box-shadow .2s;
}
.board-action-group > button:hover,
.board-action-group > details > summary:hover,
.board-action-group > details[open] > summary {
  z-index: 3;
  transform: translateY(-3px) scale(1.08);
  border-color: var(--accent-border);
  background: var(--accent-soft);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--accent) 18%, transparent);
}
.board-export-menu { position: relative; }
.board-export-menu > summary {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--border);
  border-radius: .72rem;
  color: var(--foreground);
  background: var(--surface);
  cursor: pointer;
  list-style: none;
}
.board-export-menu > summary::-webkit-details-marker { display: none; }
.board-export-menu > summary[aria-disabled="true"] { opacity: .4; pointer-events: none; }
.board-export-popover {
  position: absolute;
  z-index: 80;
  top: calc(100% + .7rem);
  right: 0;
  display: grid;
  width: 14rem;
  padding: .45rem;
  border: 1px solid var(--border);
  border-radius: .9rem;
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  box-shadow: 0 22px 60px rgba(0,0,0,.2);
  backdrop-filter: blur(18px);
  transform-origin: top right;
  animation: export-pop .22s cubic-bezier(.16,1,.3,1);
}
.board-export-popover button {
  display: grid;
  gap: .15rem;
  padding: .72rem .8rem;
  border: 0;
  border-radius: .65rem;
  color: var(--foreground);
  background: transparent;
  text-align: left;
  cursor: pointer;
}
.board-export-popover button:hover { background: var(--accent-soft); }
.board-export-popover span { font: 780 .75rem var(--font-display); }
.board-export-popover small { color: var(--muted-foreground); font-size: .64rem; }
@keyframes export-pop { from { opacity: 0; transform: translateY(-.35rem) scale(.96); } }
@media(max-width:640px){
  .subject-detail-card{min-width:6.4rem;max-width:8rem}.subject-detail-card strong{max-width:8rem;font-size:.7rem}.subject-detail-metric{font-size:.64rem}.subject-detail-imperial{font-size:.6rem}.subject-detail-card i{width:6rem}
  .board-action-group{padding:.15rem;border-radius:.8rem}.board-export-popover{position:fixed;top:auto;right:.75rem;bottom:7.5rem;left:.75rem;width:auto}
}
@media(prefers-reduced-motion:reduce){.board-action-group>button,.board-action-group>details>summary{transition:none}.board-export-popover{animation:none}}

.board-action-group > button {
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--border);
  border-radius: .72rem;
  color: var(--foreground);
  background: var(--surface);
}
.board-action-group [data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  right: 50%;
  bottom: calc(100% + .55rem);
  z-index: 90;
  padding: .3rem .48rem;
  border: 1px solid var(--border);
  border-radius: .42rem;
  color: var(--foreground);
  background: var(--surface);
  box-shadow: 0 8px 22px rgba(0,0,0,.14);
  font: 650 .6rem/1 var(--font-display);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translate(50%, .25rem);
  transition: opacity .16s, transform .16s;
}
.board-action-group [data-tooltip]:hover::after,
.board-action-group [data-tooltip]:focus-visible::after { opacity: 1; transform: translate(50%, 0); }
@media(max-width:640px){.board-action-group [data-tooltip]::after{display:none}}


/* Keep unit headings and the highest ruler values in separate visual bands. */
.ruler-unit-label {
  padding: .22rem .34rem;
  border-radius: .35rem;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--border) 72%, transparent);
}
.ruler-tick-label { max-width: 5rem; overflow: hidden; text-overflow: ellipsis; }


/* ===== recovered layer: 40-person-actions.css ===== */


/* Direct per-person actions; the divider is the exact head contact line. */
.subject-detail-actions {
  position: absolute;
  left: 50%;
  bottom: calc(100% + .52rem);
  display: flex;
  align-items: center;
  gap: .18rem;
  padding: .22rem;
  border: 1px solid var(--border);
  border-radius: .7rem;
  color: var(--foreground);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: 0 10px 28px rgba(0,0,0,.22);
  backdrop-filter: blur(14px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, .3rem) scale(.94);
  transition: opacity .18s ease, transform .22s cubic-bezier(.16,1,.3,1), visibility .18s;
}
.subject-detail-card.is-active .subject-detail-actions {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0) scale(1);
}
.subject-detail-actions button {
  display: grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  border: 0;
  border-radius: .48rem;
  color: currentColor;
  background: transparent;
  cursor: pointer;
}
.subject-detail-actions button:hover,
.subject-detail-actions button:focus-visible { color: var(--accent); background: var(--accent-soft); outline: none; }
.subject-detail-actions button:last-child:hover,
.subject-detail-actions button:last-child:focus-visible { color: #dc3f4f; background: color-mix(in srgb, #dc3f4f 12%, transparent); }
.subject-detail-actions > span { width: 1px; height: 1.25rem; background: var(--border); }
.subject-detail-card > i { margin-bottom: 0; }
@media(max-width:640px){.subject-detail-actions{bottom:calc(100% + .38rem)}.subject-detail-actions button{width:2rem;height:2rem}}
@media(prefers-reduced-motion:reduce){.subject-detail-actions{transition:none}}


/* ===== recovered layer: 50-icon-motion.css ===== */


/* Polished SVG person actions and tactile microinteractions. */
.subject-detail-actions {
  gap: .22rem;
  padding: .28rem;
  border-color: color-mix(in srgb, var(--border) 82%, var(--accent));
  border-radius: .82rem;
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  box-shadow: 0 14px 34px rgba(0,0,0,.2), inset 0 1px 0 color-mix(in srgb, #fff 10%, transparent);
}
.subject-detail-card.is-active .subject-detail-actions { animation: person-actions-enter .28s cubic-bezier(.16,1,.3,1); }
.subject-action-button { position: relative; isolation: isolate; overflow: visible; }
.subject-action-button::before {
  content: "";
  position: absolute;
  inset: .18rem;
  z-index: -1;
  border-radius: .42rem;
  background: currentColor;
  opacity: 0;
  transform: scale(.55);
  transition: opacity .18s ease, transform .25s cubic-bezier(.16,1,.3,1);
}
.subject-action-button::after {
  content: attr(data-action-label);
  position: absolute;
  left: 50%;
  bottom: calc(100% + .48rem);
  padding: .3rem .45rem;
  border: 1px solid var(--border);
  border-radius: .4rem;
  color: var(--foreground);
  background: var(--surface);
  box-shadow: 0 7px 20px rgba(0,0,0,.16);
  font: 650 .58rem/1 var(--font-display);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, .2rem) scale(.96);
  transition: opacity .16s ease, transform .2s cubic-bezier(.16,1,.3,1);
}
.subject-action-button:hover::before,
.subject-action-button:focus-visible::before { opacity: .09; transform: scale(1); }
.subject-action-button:hover::after,
.subject-action-button:focus-visible::after { opacity: 1; transform: translate(-50%, 0) scale(1); }
.subject-action-button:active { transform: scale(.86); }
.subject-action-icon { transition: transform .24s cubic-bezier(.16,1,.3,1), filter .2s ease; }
.subject-action-edit:hover .subject-edit-pencil,
.subject-action-edit:focus-visible .subject-edit-pencil { transform: translate(1px,-1px) rotate(-4deg); transform-origin: center; }
.subject-action-edit:hover .subject-edit-base,
.subject-action-edit:focus-visible .subject-edit-base { transform: scaleX(1.08); transform-origin: center; }
.subject-action-delete:hover .subject-trash-lid,
.subject-action-delete:focus-visible .subject-trash-lid { transform: translateY(-2px) rotate(4deg); transform-origin: 12px 6px; }
.subject-action-delete:active .subject-trash-body { transform: scaleY(.92); transform-origin: bottom; }
.subject-action-divider { width: 1px; height: 1.35rem; background: var(--border); }
.subject-figure.is-selected { filter: drop-shadow(0 0 10px color-mix(in srgb, var(--accent) 34%, transparent)); }
.subject-figure.is-hovered:not(.is-selected) { transform: translateY(-1px); }
@keyframes person-actions-enter { from { opacity:0; transform:translate(-50%,.45rem) scale(.9) } to { opacity:1; transform:translate(-50%,0) scale(1) } }
@media(prefers-reduced-motion:reduce){.subject-detail-card.is-active .subject-detail-actions{animation:none}.subject-action-button::before,.subject-action-button::after,.subject-action-icon{transition:none}.subject-figure.is-hovered{transform:none}}

/* ═══════════════════════════════════════════════════════════════════
   MODERN DIRECTORY, PROFILE, CALCULATOR & UTILITY EXTENSIONS
   ═══════════════════════════════════════════════════════════════════ */

/* Center containers across all pages */
.max-w-5xl, .max-w-6xl {
  margin-left: auto;
  margin-right: auto;
}

/* ─── Modern Directory & Profile Pages ────────────────────────────── */
.directory-page, .profile-page {
  padding-block: clamp(2rem, 5vw, 4rem) 6rem;
}

.directory-hero, .profile-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  position: static !important;
  background: transparent !important;
  height: auto !important;
}

.directory-hero > div, .profile-hero > div {
  max-width: 52rem;
  height: auto !important;
  display: block !important;
  flex: 1;
}

.directory-hero h1, .profile-hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--foreground);
  margin-top: 0.5rem;
}

.directory-hero p:not(.eyebrow), .profile-hero > div > p:not(.eyebrow) {
  margin-top: 1rem;
  color: var(--muted-foreground);
  font-size: 1.05rem;
  line-height: 1.65;
  max-width: 44rem;
}

.directory-hero .primary-link {
  flex-shrink: 0;
  margin-top: 0.5rem;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}
.directory-hero .primary-link:hover {
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

/* ─── Directory Cards Grid ───────────────────────────────────────── */
.profile-directory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.25rem;
}

.directory-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  min-height: 16rem;
  gap: 1.25rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.02);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  align-items: start;
}

.directory-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-border);
  box-shadow: 0 10px 28px rgba(37, 99, 235, 0.09), 0 2px 6px rgba(0, 0, 0, 0.04);
}

.directory-mascot {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
  border-radius: 0.75rem;
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-muted) 100%);
  border: 1px solid var(--border);
  padding: 0.75rem 0.4rem 0;
  position: relative;
  height: 14.5rem;
  min-height: 14.5rem;
  max-height: 14.5rem;
  width: 100%;
  flex-shrink: 0;
}

.directory-mascot::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--foreground);
  opacity: 0.25;
  z-index: 2;
}

.directory-mascot img {
  max-width: 95%;
  width: auto;
  object-fit: contain;
  object-position: bottom center;
  filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.12));
  z-index: 3;
}

.directory-card > div:last-child {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 14.5rem;
}

.directory-card h2 {
  font-size: 1.25rem;
  font-weight: 750;
  letter-spacing: -0.025em;
  color: var(--foreground);
  margin: 0.25rem 0 0.4rem;
  line-height: 1.25;
}

.directory-height {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.3rem 0.7rem;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-border);
  border-radius: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.directory-card > div:last-child > p:not(.eyebrow):not(.directory-height) {
  font-size: 0.85rem;
  color: var(--muted-foreground);
  line-height: 1.5;
  margin: 0.25rem 0 0.85rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.directory-card .text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  width: fit-content;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  background: var(--surface-muted);
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  transition: all 0.18s ease;
  text-decoration: none;
  margin-top: auto;
}

.directory-card .text-link:hover {
  background: #2563eb;
  color: #ffffff;
  border-color: #2563eb;
  transform: translateX(2px);
}
:root[data-theme="dark"] .directory-card .text-link:hover {
  background: #3b82f6;
  border-color: #3b82f6;
}

/* ─── Curated Comparisons Section ────────────────────────────────── */
.comparison-links {
  margin-top: 4rem;
  padding: 2.25rem;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.comparison-links h2 {
  font-size: 1.65rem;
  font-weight: 750;
  letter-spacing: -0.025em;
  color: var(--foreground);
  margin: 0.35rem 0 1.5rem;
}

.comparison-link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.85rem;
}

.comparison-link-grid a {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.1rem 1.25rem;
  border-radius: 0.85rem;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}

.comparison-link-grid a:hover {
  transform: translateY(-2px);
  border-color: var(--accent-border);
  background: var(--accent-soft);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.07);
}

.comparison-link-grid strong {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--foreground);
  line-height: 1.4;
}

.comparison-link-grid span {
  margin-top: 0.5rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

:root[data-theme="dark"] .directory-card {
  background: var(--surface);
  border-color: var(--border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

:root[data-theme="dark"] .directory-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
}

:root[data-theme="dark"] .directory-mascot {
  background: var(--surface-muted);
  border-color: var(--border);
}

:root[data-theme="dark"] .directory-height {
  background: rgba(255, 255, 255, 0.08);
  color: #f3f4f6;
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: none;
  text-shadow: none;
}

:root[data-theme="dark"] .directory-card .text-link {
  background: var(--surface-muted);
  border-color: var(--border);
  color: #e2e8f0;
}

:root[data-theme="dark"] .directory-card .text-link:hover {
  background: #ffffff;
  border-color: #ffffff;
  color: #0f172a;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

:root[data-theme="dark"] .comparison-links {
  background: var(--surface);
  border-color: var(--border);
}

:root[data-theme="dark"] .comparison-link-grid a {
  background: var(--surface-muted);
  border-color: var(--border);
}

:root[data-theme="dark"] .comparison-link-grid a:hover {
  background: #3e4146;
  border-color: var(--border-strong);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

:root[data-theme="dark"] .comparison-link-grid span {
  color: #f3f4f6;
}

:root[data-theme="dark"] .cosmic-facts {
  border-color: var(--border);
  background: var(--surface-muted);
}

:root[data-theme="dark"] .cosmic-facts article {
  background: var(--surface);
}

:root[data-theme="dark"] .cosmic-facts span {
  color: #f3f4f6;
  text-shadow: none;
}

:root[data-theme="dark"] .cosmic-facts strong {
  color: var(--foreground);
}

:root[data-theme="dark"] .primary-link,
:root[data-theme="dark"] .ui-btn-default,
:root[data-theme="dark"] .ui-btn-blue {
  background: #ffffff;
  color: #0f172a !important;
  font-weight: 700;
  border-color: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

:root[data-theme="dark"] .primary-link:hover,
:root[data-theme="dark"] .ui-btn-default:hover,
:root[data-theme="dark"] .ui-btn-blue:hover {
  background: #e2e8f0;
  color: #0f172a !important;
  border-color: #e2e8f0;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.45);
}

/* ─── Informational & Content Cards ──────────────────────────────── */
.content-card {
  padding: 1.75rem;
  border: 1px solid var(--border);
  border-radius: 1.15rem;
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.content-card h2 {
  font-size: 1.45rem;
  font-weight: 750;
  color: var(--foreground);
  margin: 0.35rem 0 0.75rem;
  letter-spacing: -0.02em;
}

.content-card p {
  color: var(--muted-foreground);
  font-size: 0.92rem;
  line-height: 1.65;
}

.directory-note {
  margin-top: 2rem;
  border-left: 3px solid var(--accent);
}

/* ─── Profile Pages Specifics ────────────────────────────────────── */
.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  color: var(--muted-foreground);
  font-size: 0.82rem;
  font-weight: 550;
}

.breadcrumbs a {
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color 0.15s ease;
}

.breadcrumbs a:hover {
  color: var(--accent);
}

.profile-metrics {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.profile-metrics strong {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--accent-border);
  border-radius: 0.75rem;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.profile-content-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.source-note {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--muted-foreground);
  line-height: 1.5;
}

/* ─── Safe Reveal Animation ──────────────────────────────────────── */
[data-reveal] {
  opacity: 1;
  transform: none;
  transition: opacity 0.45s ease, transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── Arbitrary CSS-variable color utilities ──────────────────────── */
.bg-\[var\(--accent\)\] { background-color: var(--accent); }
.bg-\[var\(--accent-soft\)\] { background-color: var(--accent-soft); }
.bg-\[var\(--background\)\] { background-color: var(--background); }
.bg-\[var\(--border-strong\)\] { background-color: var(--border-strong); }
.bg-\[var\(--destructive\)\] { background-color: var(--destructive); }
.bg-\[var\(--foreground\)\] { background-color: var(--foreground); }
.bg-\[var\(--surface\)\] { background-color: var(--surface); }
.bg-\[var\(--surface-muted\)\] { background-color: var(--surface-muted); }
.bg-\[var\(--surface-strong\)\] { background-color: var(--surface-strong); }
.bg-\[var\(--warning-soft\)\] { background-color: var(--warning-soft); }

.border-\[var\(--accent\)\] { border-color: var(--accent); }
.border-\[var\(--accent-soft\)\] { border-color: var(--accent-soft); }
.border-\[var\(--border\)\] { border-color: var(--border); }
.border-\[var\(--border-strong\)\] { border-color: var(--border-strong); }
.border-\[var\(--foreground\)\] { border-color: var(--foreground); }
.border-\[var\(--surface-strong\)\] { border-color: var(--surface-strong); }
.border-\[var\(--warning-border\)\] { border-color: var(--warning-border); }

.text-\[var\(--accent\)\] { color: var(--accent); }
.text-\[var\(--foreground\)\] { color: var(--foreground); }
.text-\[var\(--muted-foreground\)\] { color: var(--muted-foreground); }
.text-\[var\(--warning-foreground\)\] { color: var(--warning-foreground); }
.placeholder\:text-\[var\(--muted-foreground\)\]::placeholder { color: var(--muted-foreground); }

.divide-\[var\(--border\)\] > :not([hidden]) ~ :not([hidden]) { border-color: var(--border); }

.hover\:bg-\[var\(--surface\)\]:hover { background-color: var(--surface); }
.hover\:bg-\[var\(--surface-muted\)\]:hover { background-color: var(--surface-muted); }
.hover\:bg-\[var\(--destructive-hover\)\]:hover { background-color: var(--destructive-hover); }
.hover\:border-\[var\(--accent\)\]:hover { border-color: var(--accent); }
.hover\:text-\[var\(--accent\)\]:hover { color: var(--accent); }
.hover\:underline:hover { text-decoration: underline; }

/* Dark mode adaptation for dark highlight banners & tables */
:root[data-theme="dark"] .bg-\[var\(--foreground\)\] {
  background-color: var(--surface-muted) !important;
  color: var(--foreground) !important;
  border: 1px solid var(--border);
}
:root[data-theme="dark"] .bg-\[var\(--foreground\)\] .text-white {
  color: var(--foreground) !important;
}
:root[data-theme="dark"] .bg-\[var\(--foreground\)\] .text-white\/60,
:root[data-theme="dark"] .bg-\[var\(--foreground\)\] .text-white\/70,
:root[data-theme="dark"] .bg-\[var\(--foreground\)\] .text-white\/80 {
  color: var(--muted-foreground) !important;
}
:root[data-theme="dark"] tr.bg-\[var\(--foreground\)\] {
  background-color: var(--surface-muted) !important;
  color: var(--foreground) !important;
}
:root[data-theme="dark"] tr.bg-\[var\(--foreground\)\] th {
  color: var(--foreground) !important;
}

/* ─── Typography & Sizing arbitrary classes ───────────────────────── */
.text-\[10px\] { font-size: 10px; line-height: 14px; }
.text-\[11px\] { font-size: 11px; line-height: 16px; }
.text-\[12px\] { font-size: 12px; line-height: 16px; }
.text-\[13px\] { font-size: 13px; line-height: 18px; }
.text-\[15px\] { font-size: 15px; line-height: 22px; }

.text-white\/60 { color: rgba(255, 255, 255, 0.6); }
.text-white\/70 { color: rgba(255, 255, 255, 0.7); }
.text-white\/80 { color: rgba(255, 255, 255, 0.8); }
.text-white\/90 { color: rgba(255, 255, 255, 0.9); }

.text-emerald-800 { color: #065f46; }
.text-pink-400 { color: #f472b6; }
.text-amber-700 { color: #b45309; }
.text-green-700 { color: #15803d; }
.text-purple-800 { color: #6b21a8; }
.text-red-600 { color: #dc2626; }
.text-red-700 { color: #b91c1c; }
.text-rose-800 { color: #9f1239; }
.accent-blue-600 { accent-color: #2563eb; }

/* ─── Color backgrounds & Gradients ──────────────────────────────── */
:root[data-theme="dark"] .bg-white { background-color: var(--surface) !important; color: var(--foreground); }
.bg-white\/60 { background-color: rgba(255, 255, 255, 0.6); }
:root[data-theme="dark"] .bg-white\/60 { background-color: rgba(28, 29, 35, 0.6); }
:root[data-theme="dark"] .text-pink-700 { color: #f472b6 !important; }
:root[data-theme="dark"] .text-pink-400 { color: #f472b6 !important; }
:root[data-theme="dark"] .text-blue-600 { color: var(--accent) !important; }
:root[data-theme="dark"] .bg-blue-50,
:root[data-theme="dark"] .bg-blue-100 { background-color: var(--accent-soft) !important; }
:root[data-theme="dark"] .border-blue-100,
:root[data-theme="dark"] .border-blue-200 { border-color: var(--accent-border) !important; }
:root[data-theme="dark"] .accent-blue-600 { accent-color: var(--accent); }
:root[data-theme="dark"] .border-2.border-\[var\(--foreground\)\] { border-color: var(--border) !important; }
.bg-emerald-100 { background-color: #d1fae5; }
:root[data-theme="dark"] .bg-emerald-100 { background-color: rgba(6, 95, 70, 0.3); color: #6ee7b7; }
.bg-red-50 { background-color: #fef2f2; }
.bg-amber-50\/50 { background-color: rgba(254, 243, 199, 0.5); }
.bg-green-50\/50 { background-color: rgba(240, 253, 244, 0.5); }
.bg-slate-50\/50 { background-color: rgba(248, 250, 252, 0.5); }
.bg-slate-100\/90 { background-color: rgba(241, 245, 249, 0.9); }
.bg-slate-200 { background-color: #e2e8f0; }
.bg-slate-900\/50 { background-color: rgba(15, 23, 42, 0.5); }
.bg-slate-900\/60 { background-color: rgba(15, 23, 42, 0.6); }
.bg-black\/60 { background-color: rgba(0, 0, 0, 0.6); }

.bg-gradient-to-r { background-image: linear-gradient(to right, var(--tw-gradient-stops, #60a5fa, #ef4444)); }
.from-blue-400 { --tw-gradient-from: #60a5fa; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(96, 165, 250, 0)); }
.via-green-500 { --tw-gradient-stops: var(--tw-gradient-from), #22c55e, var(--tw-gradient-to, rgba(34, 197, 94, 0)); }
.via-amber-400 { --tw-gradient-stops: var(--tw-gradient-from), #fbbf24, var(--tw-gradient-to, rgba(251, 191, 36, 0)); }
.to-red-500 { --tw-gradient-to: #ef4444; }

/* ─── Borders ────────────────────────────────────────────────────── */
.border-b-2 { border-bottom-width: 2px; }
.border-r-2 { border-right-width: 2px; }
.border-t-0 { border-top-width: 0px; }
.border-black { border-color: #000000; }
.border-white { border-color: #ffffff; }
.border-white\/10 { border-color: rgba(255, 255, 255, 0.1); }
.border-white\/20 { border-color: rgba(255, 255, 255, 0.2); }
.border-blue-100 { border-color: #dbeafe; }
.border-blue-600 { border-color: #2563eb; }
.border-red-200 { border-color: #fecaca; }
.border-slate-200\/80 { border-color: rgba(226, 232, 240, 0.8); }
.border-slate-200\/90 { border-color: rgba(226, 232, 240, 0.9); }

/* ─── Spacing, Sizing & Positioning ──────────────────────────────── */
.-mt-px { margin-top: -1px; }
.-top-2 { top: -0.5rem; }
.-top-5 { top: -1.25rem; }
.-translate-y-1\/2 { transform: translateY(-50%); }
.-translate-x-1\/2.-translate-y-1\/2,
.-translate-y-1\/2.-translate-x-1\/2 { transform: translate(-50%, -50%); }
.top-1\/2 { top: 50%; }
.top-2\.5 { top: 0.625rem; }
.top-3 { top: 0.75rem; }
.top-3\.5 { top: 0.875rem; }
.left-3 { left: 0.75rem; }
.left-6 { left: 1.5rem; }
.right-3 { right: 0.75rem; }
.right-6 { right: 1.5rem; }
.w-2\.5 { width: 0.625rem; }
.h-1\.5 { height: 0.375rem; }
.h-2\.5 { height: 0.625rem; }
.h-3\.5 { height: 0.875rem; }
.h-\[2px\] { height: 2px; }
.z-25 { z-index: 25; }

.max-w-\[1500px\] { max-width: 1500px; }
.max-w-\[240px\] { max-width: 240px; }
.max-w-\[620px\] { max-width: 620px; }
.max-h-\[50vh\] { max-height: 50vh; }
.max-h-\[90vh\] { max-height: 90vh; }
.max-h-\[95vh\] { max-height: 95vh; }

.p-0\.5 { padding: 0.125rem; }
.p-3\.5 { padding: 0.875rem; }
.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.px-3\.5 { padding-left: 0.875rem; padding-right: 0.875rem; }
.py-3\.5 { padding-top: 0.875rem; padding-bottom: 0.875rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.pt-1 { padding-top: 0.25rem; }
.pt-3 { padding-top: 0.75rem; }
.pt-5 { padding-top: 1.25rem; }
.pb-0\.5 { padding-bottom: 0.125rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pb-3 { padding-bottom: 0.75rem; }
.pb-5 { padding-bottom: 1.25rem; }
.pl-9 { padding-left: 2.25rem; }
.pr-1 { padding-right: 0.25rem; }
.pr-2 { padding-right: 0.5rem; }

.space-y-6 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.5rem; }
.last\:border-0:last-child { border: 0; }
.last\:pb-0:last-child { padding-bottom: 0; }

.grid-cols-\[1fr_120px\] { grid-template-columns: 1fr 120px; }
.rounded-t { border-top-left-radius: var(--radius); border-top-right-radius: var(--radius); }
.rounded-b { border-bottom-left-radius: var(--radius); border-bottom-right-radius: var(--radius); }
.rounded-t-sm { border-top-left-radius: var(--radius-sm); border-top-right-radius: var(--radius-sm); }
.rounded-b-md { border-bottom-left-radius: var(--radius-sm); border-bottom-right-radius: var(--radius-sm); }

/* ─── Metrology Ruler Divider ────────────────────────────────────── */
.ruler-divider {
  width: 100%;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--border) 0px, var(--border) 6px, transparent 6px, transparent 12px);
  position: relative;
}

.cursor-crosshair { cursor: crosshair; }
.overflow-visible { overflow: visible; }
.overflow-y-hidden { overflow-y: hidden; }
.backdrop-blur-xs { backdrop-filter: blur(2px); }
.drop-shadow-sm { filter: drop-shadow(0 1px 1px rgba(0,0,0,0.05)); }
.shadow-inner { box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05); }

/* ─── Interactive & Transitions ──────────────────────────────────── */
.transition-colors { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-transform { transition-property: transform; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.duration-100 { transition-duration: 100ms; }
.duration-150 { transition-duration: 150ms; }
.duration-200 { transition-duration: 200ms; }
.active\:scale-95:active { transform: scale(0.95); }
.active\:scale-\[0\.98\]:active { transform: scale(0.98); }
.hover\:scale-110:hover { transform: scale(1.1); }
.hover\:opacity-90:hover { opacity: 0.9; }

.file\:bg-\[var\(--foreground\)\]::file-selector-button { background-color: var(--foreground); }
.file\:border-0::file-selector-button { border: 0; }
.file\:font-semibold::file-selector-button { font-weight: 600; }
.file\:mr-3::file-selector-button { margin-right: 0.75rem; }
.file\:px-3::file-selector-button { padding-left: 0.75rem; padding-right: 0.75rem; }
.file\:py-1\.5::file-selector-button { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.file\:rounded::file-selector-button { border-radius: var(--radius); }
.file\:text-white::file-selector-button { color: #ffffff; }
.file\:text-xs::file-selector-button { font-size: 0.75rem; line-height: 1rem; }
.hover\:file\:bg-\[var\(--border-strong\)\]:hover::file-selector-button { background-color: var(--border-strong); }

.focus\:border-\[var\(--accent\)\]:focus { border-color: var(--accent); }
.focus\:border-blue-400:focus { border-color: #60a5fa; }
.focus\:border-blue-500:focus { border-color: #3b82f6; }
.focus\:outline-none:focus { outline: 2px solid transparent; outline-offset: 2px; }
.focus\:ring-2:focus { box-shadow: 0 0 0 2px var(--accent); }
.focus\:ring-blue-500:focus { box-shadow: 0 0 0 2px #3b82f6; }
.focus\:ring-blue-500\/20:focus { box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2); }
.focus\:ring-blue-500\/30:focus { box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3); }

.hover\:bg-blue-50:hover { background-color: #eff6ff; }
.hover\:bg-blue-100:hover { background-color: #dbeafe; }
.hover\:bg-blue-600:hover { background-color: #2563eb; }
.hover\:bg-blue-700:hover { background-color: #1d4ed8; }
.hover\:bg-red-50:hover { background-color: #fef2f2; }
.hover\:bg-slate-50:hover { background-color: #f8fafc; }
.hover\:bg-slate-100:hover { background-color: #f1f5f9; }
.hover\:bg-slate-200:hover { background-color: #e2e8f0; }
.hover\:bg-white\/10:hover { background-color: rgba(255, 255, 255, 0.1); }
.hover\:border-blue-300:hover { border-color: #93c5fd; }
.hover\:border-red-200:hover { border-color: #fecaca; }
.hover\:border-slate-300:hover { border-color: #cbd5e1; }
.hover\:text-blue-600:hover { color: #2563eb; }
.hover\:text-red-600:hover { color: #dc2626; }
.hover\:text-slate-600:hover { color: #475569; }
.hover\:text-slate-700:hover { color: #334155; }
.hover\:text-slate-800:hover { color: #1e293b; }
.hover\:text-slate-900:hover { color: #0f172a; }
.hover\:text-white:hover { color: #ffffff; }

.btn-tape {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: #2563eb;
  color: #ffffff !important;
  font-family: var(--font-display);
  font-weight: 700;
  border-radius: var(--radius);
  border: 1px solid #2563eb;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.16s ease, background-color 0.16s ease, box-shadow 0.16s ease;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}
.btn-tape:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.disabled\:opacity-40:disabled { opacity: 0.4; }
.tracking-\[0\.1em\] { letter-spacing: 0.1em; }
.animate-in {
  animation-duration: 150ms;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
  animation-fill-mode: both;
}
@keyframes zoomIn95 {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}
.zoom-in-95 {
  animation-name: zoomIn95;
}

/* ─── Responsive Media Queries ───────────────────────────────────── */
@media (min-width: 640px) {
  .sm\:border-l { border-left-width: 1px; }
  .sm\:border-white\/20 { border-color: rgba(255, 255, 255, 0.2); }
  .sm\:gap-3 { gap: 0.75rem; }
  .sm\:gap-6 { gap: 1.5rem; }
  .sm\:gap-20 { gap: 5rem; }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sm\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .sm\:h-10\.5 { height: 2.625rem; }
  .sm\:inline { display: inline; }
  .sm\:p-3\.5 { padding: 0.875rem; }
  .sm\:p-4 { padding: 1rem; }
  .sm\:p-6 { padding: 1.5rem; }
  .sm\:p-7 { padding: 1.75rem; }
  .sm\:p-8 { padding: 2rem; }
  .sm\:pl-6 { padding-left: 1.5rem; }
  .sm\:px-4 { padding-left: 1rem; padding-right: 1rem; }
  .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
  .sm\:right-16 { right: 4rem; }
  .sm\:text-sm { font-size: 0.875rem; line-height: 1.25rem; }
  .sm\:text-base { font-size: 1rem; line-height: 1.5rem; }
  .sm\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
  .sm\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
  .sm\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
  .sm\:text-5xl { font-size: 3rem; line-height: 1; }
  .sm\:text-\[13px\] { font-size: 13px; line-height: 18px; }
  .sm\:text-\[13\.5px\] { font-size: 13.5px; line-height: 19px; }
  .sm\:w-24 { width: 6rem; }
  .sm\:w-28 { width: 7rem; }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:col-span-2 { grid-column: span 2 / span 2; }
}

@media (min-width: 1024px) {
  .lg\:text-5xl { font-size: 3rem; line-height: 1; }
}


/* Hover hit-bridge between actions and text label, and text label and figure */
.subject-detail-actions::after {
  content: "";
  position: absolute;
  top: 100%;
  left: -24px;
  right: -24px;
  height: 1.25rem;
  background: transparent;
  pointer-events: auto;
}
.subject-detail-card::after {
  content: "";
  position: absolute;
  top: 100%;
  left: -12px;
  right: -12px;
  height: 1.25rem;
  background: transparent;
  pointer-events: auto;
}

/* ==========================================================================
   ADD PNG MODAL - Clean, compact dialog matching reference design
   ========================================================================== */
.add-png-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background-color: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: ui-fade-in 0.15s ease-out;
}

.add-png-modal {
  width: 100%;
  max-width: 550px;
  background-color: #ffffff;
  border-radius: 1rem;
  border: 1px solid #e2e8f0;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  max-height: 92vh;
  overflow-y: auto;
  box-sizing: border-box;
  animation: ui-zoom-in 0.15s ease-out;
}

.add-png-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.add-png-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.3;
  margin: 0;
}

.add-png-subtitle {
  font-size: 0.8125rem;
  color: #64748b;
  margin-top: 0.25rem;
  margin-bottom: 0;
  line-height: 1.4;
}

.add-png-close-btn {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.375rem;
  border: 1px solid #bfdbfe;
  background-color: #ffffff;
  color: #3b82f6;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s ease;
  padding: 0;
}

.add-png-close-btn:hover {
  background-color: #eff6ff;
  border-color: #93c5fd;
  color: #2563eb;
}

.add-png-notice-blue {
  background-color: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 0.625rem;
  padding: 0.75rem 0.875rem;
  font-size: 0.8125rem;
  color: #1e3a8a;
  line-height: 1.45;
}

.add-png-notice-blue p {
  margin: 0;
}

.add-png-notice-blue p + p {
  margin-top: 0.25rem;
}

.add-png-dropzone {
  border: 2px dashed #bfdbfe;
  border-radius: 0.75rem;
  background-color: #f8faff;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.add-png-dropzone:hover {
  border-color: #93c5fd;
  background-color: #eff6ff;
}

.add-png-dropzone.dragging {
  border-color: #3b82f6;
  background-color: #dbeafe;
  transform: scale(0.99);
}

.add-png-dropzone-icon {
  color: #3b82f6;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.add-png-dropzone-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.25;
}

.add-png-dropzone-sub {
  font-size: 0.75rem;
  color: #64748b;
  margin-top: 0.25rem;
}

.add-png-notice-amber {
  background-color: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 0.625rem;
  padding: 0.75rem 0.875rem;
  font-size: 0.8125rem;
  color: #b45309;
  line-height: 1.45;
}

.add-png-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.add-png-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #1e293b;
  margin: 0;
}

.add-png-input {
  width: 100%;
  height: 2.375rem;
  padding: 0.4375rem 0.75rem;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  background-color: #ffffff;
  color: #0f172a;
  font-size: 0.875rem;
  box-sizing: border-box;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.add-png-input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

.add-png-select {
  width: 100%;
  height: 2.375rem;
  padding: 0.4375rem 0.75rem;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  background-color: #ffffff;
  color: #0f172a;
  font-size: 0.875rem;
  box-sizing: border-box;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.add-png-select:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

.add-png-row {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.add-png-real-height {
  font-size: 0.8125rem;
  color: #0f172a;
  font-weight: 600;
  margin-top: 0.25rem;
}

.add-png-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.625rem;
  margin-top: 0.25rem;
}

.add-png-cancel-btn {
  padding: 0.4375rem 1.125rem;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  background-color: #ffffff;
  color: #334155;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.add-png-cancel-btn:hover {
  background-color: #f8fafc;
  border-color: #cbd5e1;
}

.add-png-submit-btn {
  padding: 0.4375rem 1.25rem;
  border: none;
  border-radius: 0.5rem;
  background-color: #7ba8ec;
  color: #ffffff;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.add-png-submit-btn:not(:disabled) {
  background-color: #3b82f6;
}

.add-png-submit-btn:not(:disabled):hover {
  background-color: #2563eb;
}

.add-png-submit-btn:disabled {
  background-color: #8cb4eb;
  cursor: not-allowed;
  opacity: 0.9;
}

/* ─── Add PNG Modal Dark Mode ────────────────────────────────────── */
:root[data-theme="dark"] .add-png-modal {
  background-color: var(--surface);
  border-color: var(--border);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.45);
}
:root[data-theme="dark"] .add-png-title {
  color: var(--foreground);
}
:root[data-theme="dark"] .add-png-subtitle {
  color: var(--muted-foreground);
}
:root[data-theme="dark"] .add-png-close-btn {
  background-color: var(--surface-muted);
  border-color: var(--border);
  color: var(--muted-foreground);
}
:root[data-theme="dark"] .add-png-close-btn:hover {
  background-color: #3e4146;
  color: var(--foreground);
}
:root[data-theme="dark"] .add-png-notice-blue {
  background-color: var(--accent-soft);
  border-color: var(--accent-border);
  color: var(--accent);
}
:root[data-theme="dark"] .add-png-dropzone {
  background-color: var(--canvas-bg);
  border-color: var(--border);
}
:root[data-theme="dark"] .add-png-dropzone:hover {
  background-color: var(--surface-muted);
  border-color: var(--accent);
}
:root[data-theme="dark"] .add-png-dropzone-title {
  color: var(--foreground);
}
:root[data-theme="dark"] .add-png-dropzone-sub {
  color: var(--muted-foreground);
}
:root[data-theme="dark"] .add-png-notice-amber {
  background-color: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.3);
  color: #fcd34d;
}
:root[data-theme="dark"] .add-png-label {
  color: #cbd5e1;
}
:root[data-theme="dark"] .add-png-input,
:root[data-theme="dark"] .add-png-select {
  background-color: var(--canvas-bg);
  border-color: var(--border);
  color: var(--foreground);
}
:root[data-theme="dark"] .add-png-input:focus,
:root[data-theme="dark"] .add-png-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 25%, transparent);
}
:root[data-theme="dark"] .add-png-real-height {
  color: var(--accent);
}
:root[data-theme="dark"] .add-png-cancel-btn {
  background-color: var(--surface-muted);
  border-color: var(--border);
  color: #cbd5e1;
}
:root[data-theme="dark"] .add-png-cancel-btn:hover {
  background-color: #3e4146;
  color: #ffffff;
}

/* ─── Global Dark Mode Slate Color & Board Overrides ─────────────── */
:root[data-theme="dark"] .text-slate-900,
:root[data-theme="dark"] .text-slate-800,
:root[data-theme="dark"] .text-slate-700 {
  color: var(--foreground) !important;
}
:root[data-theme="dark"] .text-slate-600,
:root[data-theme="dark"] .text-slate-500,
:root[data-theme="dark"] .text-slate-400 {
  color: var(--muted-foreground) !important;
}
:root[data-theme="dark"] .bg-slate-50,
:root[data-theme="dark"] .bg-slate-100 {
  background-color: var(--surface-muted) !important;
}
:root[data-theme="dark"] .border-slate-100,
:root[data-theme="dark"] .border-slate-200,
:root[data-theme="dark"] .border-slate-300 {
  border-color: var(--border) !important;
}
:root[data-theme="dark"] .board-action-png,
:root[data-theme="dark"] .board-action-edit {
  background-color: var(--surface-muted);
  border-color: var(--border);
  color: var(--foreground);
}
:root[data-theme="dark"] .board-action-png:hover,
:root[data-theme="dark"] .board-action-edit:hover {
  background-color: #3e4146;
  border-color: var(--accent-border);
  color: var(--accent);
}
:root[data-theme="dark"] .board-status-bar {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
}
:root[data-theme="dark"] .board-main-panel > div:first-child {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
}
:root[data-theme="dark"] .board-main-panel > div:last-of-type {
  background-color: var(--surface);
  border-top: 1px solid var(--border);
}
:root[data-theme="dark"] .board-view-modes {
  background-color: var(--surface-muted);
  border-color: var(--border);
}
:root[data-theme="dark"] .board-view-mode-btn {
  color: var(--muted-foreground);
}
:root[data-theme="dark"] .board-view-mode-btn:hover:not(:disabled) {
  color: var(--foreground);
}
:root[data-theme="dark"] .board-view-mode-btn.is-active {
  background-color: #3b82f6 !important;
  color: #ffffff !important;
  font-weight: 700;
  box-shadow: 0 1px 6px rgba(59, 130, 246, 0.5) !important;
}
:root[data-theme="dark"] .board-zoom-btn {
  background-color: var(--surface-muted);
  border-color: var(--border);
  color: var(--foreground);
}
:root[data-theme="dark"] .board-zoom-btn:hover {
  background-color: #3e4146;
  border-color: var(--accent);
  color: var(--accent);
}
:root[data-theme="dark"] .site-header {
  background-color: var(--surface);
  border-color: var(--border);
}

/* ─── Add PNG Modal Background Removal ────────────────────────────── */
@keyframes add-png-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.add-png-spinner {
  animation: add-png-spin 1s linear infinite;
}

.add-png-bg-section {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  background-color: #f8faff;
  border: 1px solid #dbeafe;
  border-radius: 0.75rem;
  padding: 0.875rem;
  transition: all 0.15s ease;
}

:root[data-theme="dark"] .add-png-bg-section {
  background-color: var(--canvas-bg);
  border-color: var(--border);
}

.add-png-bg-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.add-png-bg-title {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: #1e3a8a;
}

:root[data-theme="dark"] .add-png-bg-title {
  color: var(--accent);
}

.add-png-bg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.55rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid #2563eb;
  background: #2563eb;
  color: #ffffff;
  font-size: 0.8125rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.25);
}

.add-png-bg-btn:hover:not(:disabled) {
  background: #1d4ed8;
  border-color: #1d4ed8;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px rgba(37, 99, 235, 0.35);
}

:root[data-theme="dark"] .add-png-bg-btn {
  background: #3b82f6 !important;
  border-color: #3b82f6 !important;
  color: #ffffff !important;
}
:root[data-theme="dark"] .add-png-bg-btn:hover:not(:disabled) {
  background: #2563eb !important;
  border-color: #2563eb !important;
}

.add-png-bg-btn:disabled {
  opacity: 0.75;
  cursor: not-allowed;
  transform: none;
}

.add-png-tabs {
  display: inline-flex;
  background-color: #e2e8f0;
  padding: 0.2rem;
  border-radius: 0.5rem;
  gap: 0.25rem;
}

:root[data-theme="dark"] .add-png-tabs {
  background-color: var(--surface-muted);
}

.add-png-tab-btn {
  padding: 0.25rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 0.375rem;
  border: none;
  background: transparent;
  color: #64748b;
  cursor: pointer;
  transition: all 0.15s ease;
}

.add-png-tab-btn.active {
  background-color: #ffffff;
  color: #0f172a;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

:root[data-theme="dark"] .add-png-tab-btn {
  color: #94a3b8;
}

:root[data-theme="dark"] .add-png-tab-btn.active {
  background-color: var(--surface);
  color: var(--accent);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.add-png-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 600;
  background-color: #dcfce7;
  color: #15803d;
}

:root[data-theme="dark"] .add-png-meta-badge {
  background-color: rgba(34, 197, 94, 0.15);
  color: #4ade80;
}

.add-png-refine-toggle {
  background: none;
  border: none;
  color: #2563eb;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0;
}

:root[data-theme="dark"] .add-png-refine-toggle {
  color: var(--accent);
}

.add-png-refine-box {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

:root[data-theme="dark"] .add-png-refine-box {
  background-color: var(--surface);
  border-color: var(--border);
}

.add-png-slider-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.75rem;
}

.add-png-slider-label {
  font-weight: 500;
  color: #334155;
  width: 120px;
  flex-shrink: 0;
}

:root[data-theme="dark"] .add-png-slider-label {
  color: #cbd5e1;
}

.add-png-slider-val {
  font-family: var(--font-mono, monospace);
  font-size: 0.75rem;
  font-weight: 600;
  color: #2563eb;
  width: 28px;
  text-align: right;
  flex-shrink: 0;
}

:root[data-theme="dark"] .add-png-slider-val {
  color: var(--accent);
}

.add-png-checker-bg {
  background: repeating-conic-gradient(#f1f5f9 0% 25%, #ffffff 0% 50%) 50% / 14px 14px !important;
}

:root[data-theme="dark"] .add-png-checker-bg {
  background: repeating-conic-gradient(#26282b 0% 25%, #202224 0% 50%) 50% / 14px 14px !important;
}

/* ─── Height Difference Tool Badges & Values ────────────────────── */
.diff-badge-p1 {
  color: #2563eb;
  background-color: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.25);
}
:root[data-theme="dark"] .diff-badge-p1 {
  color: var(--accent);
  background-color: var(--accent-soft);
  border-color: var(--accent-border);
  text-shadow: 0 0 8px color-mix(in srgb, var(--accent) 35%, transparent);
}

.diff-badge-p2 {
  color: #ea580c;
  background-color: rgba(234, 88, 12, 0.1);
  border: 1px solid rgba(234, 88, 12, 0.25);
}
:root[data-theme="dark"] .diff-badge-p2 {
  color: #fb923c;
  background-color: rgba(234, 88, 12, 0.18);
  border-color: rgba(251, 146, 60, 0.4);
  text-shadow: 0 0 8px rgba(249, 115, 22, 0.4);
}

.diff-gap-badge {
  color: #2563eb;
  background-color: #ffffff;
  border: 1px solid rgba(37, 99, 235, 0.3);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
:root[data-theme="dark"] .diff-gap-badge {
  color: var(--accent);
  background-color: var(--surface-strong);
  border-color: var(--accent-border);
  box-shadow: 0 0 16px color-mix(in srgb, var(--accent) 25%, transparent);
}

.diff-readout-val {
  color: #2563eb;
}
:root[data-theme="dark"] .diff-readout-val {
  color: var(--accent);
  text-shadow: 0 0 24px color-mix(in srgb, var(--accent) 35%, transparent);
}

/* ===== Editorial SEO Guide & Comparison Tables ===== */
.editorial-guide-section {
  padding-block: 2.5rem 6rem;
}
.editorial-header {
  margin-bottom: 2.5rem;
}
.editorial-header h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.04em;
  color: var(--foreground);
  margin-top: 0.5rem;
}
.editorial-header p {
  color: var(--muted-foreground);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 48rem;
  margin-top: 0.75rem;
}
.editorial-grid {
  display: grid;
  gap: 1.75rem;
}
.editorial-article {
  padding: 1.75rem 2rem;
  border: 1px solid var(--border);
  border-radius: 1.15rem;
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
.editorial-article h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--foreground);
  letter-spacing: -0.025em;
  margin-bottom: 0.85rem;
}
.editorial-article p {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--muted-foreground);
  margin-bottom: 0.75rem;
}
.editorial-article p:last-child {
  margin-bottom: 0;
}
.seo-comparison-table-wrap {
  margin-block: 2rem;
  border: 1px solid var(--border);
  border-radius: 1.15rem;
  background: var(--surface);
  overflow-x: auto;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  padding: 1.5rem 1.75rem;
}
.seo-comparison-table-wrap h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--foreground);
}
.seo-comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  text-align: left;
}
.seo-comparison-table th {
  padding: 0.75rem 1rem;
  font-weight: 700;
  color: var(--foreground);
  background: var(--surface-muted);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.seo-comparison-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--muted-foreground);
}
.seo-comparison-table tr:last-child td {
  border-bottom: none;
}
.seo-comparison-table tr:hover td {
  background: color-mix(in srgb, var(--surface-muted) 50%, transparent);
}
.seo-comparison-table strong {
  color: var(--foreground);
  font-family: var(--font-mono);
}

/* ─── Main Screen Legal & Info Centered Strip ─────────────────── */
.home-legal-strip,
.main-legal-quickbar {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 1.25rem 0 2rem;
  padding: 0 1rem;
  box-sizing: border-box;
}

.home-legal-container,
.main-legal-quickbar-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}

.home-legal-pills,
.main-legal-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.5rem 0.85rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border, #e2e8f0);
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.04);
}

.home-legal-btn,
.main-legal-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.15rem;
  border-radius: 9999px;
  font-size: 0.84rem;
  font-weight: 600;
  font-family: var(--font-display, sans-serif);
  color: var(--foreground, #191a20);
  background: var(--surface, #ffffff);
  border: 1px solid var(--border, #e1e3ea);
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  cursor: pointer;
}

.home-legal-btn svg,
.main-legal-pill svg {
  color: var(--accent, #2563eb);
  transition: transform 0.2s ease, color 0.2s ease;
  flex-shrink: 0;
}

.home-legal-btn:hover,
.main-legal-pill:hover {
  background: #2563eb;
  color: #ffffff !important;
  border-color: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.home-legal-btn:hover svg,
.main-legal-pill:hover svg {
  color: #ffffff;
  transform: scale(1.1);
}

/* Dark Theme Overrides for Legal Strip */
:root[data-theme="dark"] .home-legal-pills,
:root[data-theme="dark"] .main-legal-links {
  background: rgba(44, 46, 49, 0.9);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

:root[data-theme="dark"] .home-legal-btn,
:root[data-theme="dark"] .main-legal-pill {
  background: #323437;
  color: #f3f4f6;
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

:root[data-theme="dark"] .home-legal-btn svg,
:root[data-theme="dark"] .main-legal-pill svg {
  color: #93c5fd;
}

:root[data-theme="dark"] .home-legal-btn:hover,
:root[data-theme="dark"] .main-legal-pill:hover {
  background: #ffffff;
  color: #191a20 !important;
  border-color: #ffffff;
  box-shadow: 0 4px 18px rgba(255, 255, 255, 0.25);
}

:root[data-theme="dark"] .home-legal-btn:hover svg,
:root[data-theme="dark"] .main-legal-pill:hover svg {
  color: #191a20;
}

/* ─── Board Edit Sidebar (Desktop & Mobile Responsive Drawer) ──── */
.board-stage-wrapper {
  height: calc(100vh - 148px);
  min-height: 480px;
  max-height: 760px;
}
.board-edit-sidebar {
  width: 0px;
  min-width: 0px;
  max-width: 290px;
  border-left: 0px solid var(--border);
  opacity: 0;
  transform: translateX(100%);
  pointer-events: none;
  visibility: hidden;
  transition: width 0.28s cubic-bezier(0.16, 1, 0.3, 1), min-width 0.28s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.22s ease, transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.28s;
}
.board-edit-sidebar.is-open {
  width: 290px;
  min-width: 290px;
  border-left-width: 1px;
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
  visibility: visible;
}
.board-edit-sidebar-inner {
  width: 290px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* On touchscreens (phones/tablets without mouse hover), show Edit/Delete toolbar when character is tapped/selected */
@media (hover: none), (pointer: coarse) {
  .subject-detail-card.is-selected .subject-detail-actions {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, 0) scale(1);
  }
}

/* ─── Global Mobile Responsiveness Overrides (<= 768px & <= 480px) ─── */
@media (max-width: 768px) {
  .board-stage-wrapper {
    height: calc(100dvh - 112px);
    min-height: 460px;
    max-height: none;
  }
  .board-edit-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    width: 100%;
    max-width: 100%;
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transform: translateX(100%);
    box-shadow: none;
    border-left: none;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease, visibility 0.3s;
  }
  .board-edit-sidebar.is-open {
    width: 100%;
    min-width: 100%;
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    transform: translateX(0);
    border-left: none;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
  }
  .board-edit-sidebar-inner {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }
  .board-topbar {
    flex-wrap: wrap;
    gap: 0.35rem;
    padding: 0.25rem 0.15rem 0.4rem;
  }
  .board-context > button,
  .board-context-divider {
    display: none;
  }
  .directory-hero,
  .profile-hero {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 1rem !important;
    margin-bottom: 1.75rem !important;
    padding-bottom: 1.25rem !important;
  }
  .profile-directory-grid {
    grid-template-columns: 1fr !important;
    gap: 0.9rem !important;
  }
  .directory-card {
    grid-template-columns: 96px 1fr !important;
    gap: 0.9rem !important;
    padding: 0.95rem !important;
    min-height: 12.5rem !important;
  }
  .directory-mascot {
    height: 11.5rem !important;
    min-height: 11.5rem !important;
    max-height: 11.5rem !important;
  }
  .directory-card > div:last-child {
    min-height: 11.5rem !important;
  }
  .comparison-links {
    padding: 1.25rem !important;
    margin-top: 2.5rem !important;
  }
  .comparison-link-grid {
    grid-template-columns: 1fr !important;
  }
  .profile-content-grid {
    grid-template-columns: 1fr !important;
  }
  .content-card,
  .editorial-article {
    padding: 1.25rem !important;
  }
  .seo-comparison-table-wrap {
    padding: 1rem !important;
    margin-block: 1.25rem !important;
  }
  .seo-comparison-table th,
  .seo-comparison-table td {
    padding: 0.6rem 0.75rem !important;
    font-size: 0.8rem !important;
  }
  .add-png-modal {
    padding: 1rem !important;
    max-height: 94dvh !important;
  }
  .add-png-slider-row {
    flex-wrap: wrap;
    gap: 0.35rem;
  }
}

@media (max-width: 480px) {
  .board-action-btn {
    padding-inline: 0.35rem !important;
    font-size: 0.73rem !important;
    gap: 0.25rem !important;
  }
  .board-action-btn svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
  }
  .board-view-mode-btn {
    padding-inline: 0.55rem !important;
    font-size: 0.72rem !important;
  }
  .directory-card {
    grid-template-columns: 82px 1fr !important;
    padding: 0.8rem !important;
    gap: 0.75rem !important;
  }
  .directory-card h2 {
    font-size: 1.05rem !important;
  }
  .main-legal-quickbar {
    padding: 0 0.5rem;
  }
  .main-legal-quickbar-inner {
    padding: 0.55rem 0.65rem;
    gap: 0.5rem;
  }
  .main-legal-pill {
    padding: 0.3rem 0.65rem;
    font-size: 0.74rem;
  }
}