:root {
  --bg: #07070b;
  --bg-2: #0d0d14;
  --bg-3: #14141c;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.07);
  --surface-3: rgba(255, 255, 255, 0.1);
  --border: rgba(255, 255, 255, 0.08);
  --border-2: rgba(255, 255, 255, 0.14);
  --text: #f5f5f7;
  --text-2: #a1a1aa;
  --text-3: #6b6b75;
  --accent: #7c3aed;
  --accent-2: #ec4899;
  --accent-3: #3b82f6;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --radius: 18px;
  --radius-sm: 10px;
  --radius-lg: 28px;
  --shadow-lg: 0 30px 80px -20px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 20px 60px -20px var(--accent);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

[data-theme="light"] {
  --bg: #fafafa;
  --bg-2: #f0f0f3;
  --bg-3: #e8e8ed;
  --surface: rgba(255, 255, 255, 0.7);
  --surface-2: rgba(255, 255, 255, 0.9);
  --surface-3: rgba(255, 255, 255, 0.95);
  --border: rgba(0, 0, 0, 0.06);
  --border-2: rgba(0, 0, 0, 0.12);
  --text: #0a0a0f;
  --text-2: #555568;
  --text-3: #8a8a99;
  --shadow-lg: 0 30px 80px -20px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 0 1px rgba(0, 0, 0, 0.05), 0 20px 60px -20px var(--accent);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
*::selection { background: var(--accent); color: #fff; }
[hidden] { display: none !important; }

html, body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  letter-spacing: -0.01em;
  overflow-x: hidden;
  transition: background 0.6s var(--ease), color 0.6s var(--ease);
}

body { position: relative; isolation: isolate; cursor: none; }
body[data-cursor="input"], body[data-cursor="input"] * { cursor: none; }
@media (hover: none) { body { cursor: auto; } .cursor-dot, .cursor-ring { display: none !important; } }

.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  will-change: transform;
  mix-blend-mode: difference;
}
.cursor-dot {
  width: 8px; height: 8px;
  background: #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, opacity 0.2s;
}
.cursor-ring {
  width: 40px; height: 40px;
  border: 1.5px solid rgba(255,255,255,0.6);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--ease), height 0.3s var(--ease), border-color 0.3s, opacity 0.3s;
}
body[data-cursor="hover"] .cursor-dot { width: 0; height: 0; }
body[data-cursor="hover"] .cursor-ring { width: 60px; height: 60px; border-color: var(--current-color, #fff); }
body[data-cursor="input"] .cursor-dot { width: 0; height: 0; }
body[data-cursor="input"] .cursor-ring { width: 4px; height: 28px; border-radius: 2px; border-color: #fff; }

.aurora {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  background: radial-gradient(ellipse at top, var(--bg-2), var(--bg) 60%);
}
.aurora-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.5;
  will-change: transform;
}
.aurora-blob-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #7c3aed, transparent 70%);
  top: -15%; left: -15%;
  animation: aurora1 25s ease-in-out infinite;
}
.aurora-blob-2 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, #ec4899, transparent 70%);
  bottom: -25%; right: -15%;
  animation: aurora2 30s ease-in-out infinite;
}
.aurora-blob-3 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #3b82f6, transparent 70%);
  top: 40%; left: 50%;
  animation: aurora3 28s ease-in-out infinite;
}
.aurora-blob-4 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #10b981, transparent 70%);
  top: 60%; left: 10%;
  animation: aurora4 22s ease-in-out infinite;
  opacity: 0.25;
}
[data-theme="light"] .aurora-blob { opacity: 0.18; }

@keyframes aurora1 { 0%,100% { transform: translate(0,0) scale(1) rotate(0); } 33% { transform: translate(80px,-60px) scale(1.1) rotate(120deg); } 66% { transform: translate(-50px,80px) scale(0.9) rotate(240deg); } }
@keyframes aurora2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-100px,50px) scale(1.15); } }
@keyframes aurora3 { 0%,100% { transform: translate(0,0) scale(1); } 25% { transform: translate(60px,40px) scale(1.05); } 75% { transform: translate(-40px,-60px) scale(0.95); } }
@keyframes aurora4 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(50px,-50px) scale(1.1); } }

.grain {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.04 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  opacity: 0.5;
  mix-blend-mode: overlay;
  pointer-events: none;
  animation: grainShift 8s steps(8) infinite;
}
@keyframes grainShift { 0%,100% { transform: translate(0,0); } 10% { transform: translate(-2%,-3%); } 20% { transform: translate(-4%,2%); } 30% { transform: translate(2%,-4%); } 40% { transform: translate(-2%,5%); } 50% { transform: translate(-4%,2%); } 60% { transform: translate(3%,0); } 70% { transform: translate(0,3%); } 80% { transform: translate(-3%,0); } 90% { transform: translate(2%,2%); } }

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
[data-theme="light"] .grid-overlay {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
}

.glass {
  background: var(--surface);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 14px 28px;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 40px; height: 40px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid var(--border-2);
  box-shadow: 0 8px 24px -8px var(--accent);
  position: relative;
  overflow: hidden;
}
.brand-mark::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: conic-gradient(from 0deg, transparent, var(--accent), transparent);
  animation: spin 4s linear infinite;
  opacity: 0.5;
}
.brand-mark svg { position: relative; z-index: 1; }
@keyframes spin { to { transform: rotate(360deg); } }

.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name {
  font-size: 18px; font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff 0%, #aaa 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
[data-theme="light"] .brand-name { background: linear-gradient(135deg, #000 0%, #555 100%); -webkit-background-clip: text; background-clip: text; }
.brand-sub { font-size: 11px; color: var(--text-3); font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 2px; }

.command-trigger {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px 8px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-3);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  min-width: 280px;
  max-width: 100%;
}
.command-trigger:hover {
  background: var(--surface-2);
  border-color: var(--border-2);
  color: var(--text-2);
  transform: translateY(-1px);
}
.command-trigger span { flex: 1; text-align: left; }
.command-trigger kbd {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px 8px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-2);
}

.topbar-actions { display: flex; gap: 6px; }

.icon-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: grid; place-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
  font-family: inherit;
}
.icon-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, var(--current-color, var(--accent)), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
}
.icon-btn:hover { color: var(--text); border-color: var(--border-2); transform: translateY(-1px); }
.icon-btn:hover::before { opacity: 0.25; }
.icon-btn:active { transform: translateY(0) scale(0.94); }
.icon-btn svg { position: relative; z-index: 1; transition: transform 0.3s var(--ease); }
.icon-btn:hover svg { transform: scale(1.1); }
.icon-btn .ic-moon { display: none; }
[data-theme="light"] .icon-btn .ic-sun { display: none; }
[data-theme="light"] .icon-btn .ic-moon { display: block; }

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 40px 28px 80px;
}

.breadcrumbs {
  margin-bottom: 20px;
  font-size: 13px;
}
.breadcrumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.breadcrumbs li { display: flex; align-items: center; gap: 6px; color: var(--text-3); }
.breadcrumbs li + li::before { content: '/'; color: var(--text-3); font-size: 12px; opacity: 0.5; }
.breadcrumbs a { color: var(--text-2); text-decoration: none; transition: color 0.2s; padding: 4px 8px; border-radius: 6px; }
.breadcrumbs a:hover { color: var(--text); background: var(--surface); }
.breadcrumbs [aria-current="page"] span { color: var(--text); font-weight: 600; padding: 4px 8px; }

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 18px;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--border-2);
  background: var(--surface);
}
.pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--success);
  position: relative;
  box-shadow: 0 0 0 0 var(--success);
  animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
  50% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
}

.hero h1 {
  font-size: clamp(40px, 6.5vw, 84px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.045em;
  margin-bottom: 20px;
}
.hero h1 .word {
  display: inline-block;
  animation: wordIn 0.8s var(--ease) backwards;
}
.hero h1 .word:nth-child(1) { animation-delay: 0.05s; }
.hero h1 .word:nth-child(2) { animation-delay: 0.15s; }
.hero h1 .word:nth-child(3) { animation-delay: 0.25s; }
@keyframes wordIn {
  from { opacity: 0; transform: translateY(40px) rotateX(-40deg); }
  to { opacity: 1; transform: translateY(0) rotateX(0); }
}
.grad-text {
  background: linear-gradient(135deg, #7c3aed 0%, #ec4899 50%, #3b82f6 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  background-size: 200% 200%;
  animation: gradientShift 6s ease-in-out infinite;
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.lede { font-size: 17px; color: var(--text-2); max-width: 620px; line-height: 1.6; margin-bottom: 24px; }
.lede em { font-style: normal; color: var(--text); font-weight: 600; }
.lede strong { color: var(--text); font-weight: 700; }

.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 100px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 8px 30px -10px var(--accent);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -10px var(--accent); }
.btn-primary:active { transform: translateY(0) scale(0.97); }
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-2);
}
.btn-ghost:hover { background: var(--surface-2); transform: translateY(-1px); }
.btn-ghost kbd {
  display: inline-flex;
  padding: 2px 6px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
}

.hero-stats { display: flex; gap: 10px; flex-wrap: wrap; }
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 110px;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}
.stat::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--current-color, transparent), transparent 60%);
  opacity: 0.08;
  transition: opacity 0.3s;
}
.stat:hover { border-color: var(--border-2); transform: translateY(-2px); }
.stat:hover::before { opacity: 0.18; }
.stat-label { font-size: 11px; color: var(--text-3); font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; }
.stat-value { font-family: var(--font-mono); font-size: 14px; font-weight: 600; color: var(--text); }

.quick-colors {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  padding: 14px 18px;
  background: var(--surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 100px;
  width: fit-content;
  max-width: 100%;
}
.qc-label { font-size: 12px; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.08em; margin-right: 4px; }
.qc-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.25s var(--ease);
  cursor: pointer;
}
.qc-chip:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px -6px var(--accent);
}
.qc-chip:active { transform: translateY(0) scale(0.96); }

.history-strip {
  margin-bottom: 32px;
  padding: 18px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.history-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; gap: 16px; flex-wrap: wrap; }
.history-head h3 { font-size: 15px; font-weight: 700; letter-spacing: -0.01em; }
.history-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-2);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.chip:hover { color: var(--text); border-color: var(--border-2); }
.chip[aria-pressed="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.chip-danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
.history-list { display: flex; gap: 8px; overflow-x: auto; padding: 4px 2px 12px; scrollbar-width: thin; }
.history-list::-webkit-scrollbar { height: 6px; }
.history-list::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }
.history-item {
  flex: 0 0 72px;
  height: 72px;
  border-radius: 12px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.25s var(--ease);
  animation: swatchIn 0.4s var(--ease) backwards;
}
.history-item:hover { transform: translateY(-2px) scale(1.05); z-index: 2; box-shadow: 0 8px 20px -6px rgba(0,0,0,0.5); border-color: var(--border-2); }
.history-item .hi-info {
  position: absolute;
  inset: auto 0 0 0;
  padding: 4px 6px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
  color: #fff;
  text-align: center;
  letter-spacing: 0.02em;
}
.history-item .hi-fav {
  position: absolute;
  top: 4px; right: 4px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: rgba(0,0,0,0.4);
  display: grid; place-items: center;
  color: #fff;
  opacity: 0;
  transition: opacity 0.2s;
}
.history-item:hover .hi-fav { opacity: 1; }
.history-item.fav .hi-fav { opacity: 1; color: #ffd700; }
.history-empty { color: var(--text-3); font-size: 13px; padding: 24px 0; text-align: center; width: 100%; }

.studio {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 20px;
  margin-bottom: 40px;
}

.picker-card {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  overflow: hidden;
}
.picker-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 50%;
  background: linear-gradient(180deg, color-mix(in oklab, var(--current-color, #fff) 8%, transparent), transparent);
  pointer-events: none;
  transition: opacity 0.4s;
}

.preview-wrap { position: relative; z-index: 1; }

.color-preview {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: #7c3aed;
  box-shadow: var(--shadow-glow);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.color-preview:hover { transform: scale(1.02); }
.color-preview:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.preview-glare {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.25) 0%, transparent 40%, transparent 60%, rgba(0,0,0,0.15) 100%);
  pointer-events: none;
  mix-blend-mode: overlay;
  opacity: 0.7;
}
.preview-shine {
  position: absolute;
  top: -50%; left: -100%;
  width: 200%; height: 200%;
  background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.15) 50%, transparent 60%);
  animation: shine 6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes shine { 0%, 100% { transform: translateX(-30%); } 50% { transform: translateX(30%); } }

.preview-label {
  position: absolute;
  bottom: 14px; left: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  border-radius: 100px;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  z-index: 1;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
  animation: pulseDot 2s ease-in-out infinite;
}
.preview-rgb {
  position: absolute;
  top: 14px; right: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 5px 10px;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  border-radius: 100px;
  color: #fff;
  z-index: 1;
}

.native-picker {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0;
  cursor: pointer;
  border: none;
}

.sliders { display: flex; flex-direction: column; gap: 14px; position: relative; z-index: 1; }
.slider-row { display: flex; flex-direction: column; gap: 8px; }
.slider-head { display: flex; justify-content: space-between; align-items: center; }
.ch-label { font-size: 12px; font-weight: 600; color: var(--text-2); text-transform: uppercase; letter-spacing: 0.06em; }
.ch-value { font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--text); }

.slider {
  position: relative;
  height: 26px;
  border-radius: 100px;
  cursor: pointer;
  touch-action: none;
  user-select: none;
}
.slider:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.slider-track {
  position: absolute;
  top: 50%;
  left: 0; right: 0;
  height: 12px;
  transform: translateY(-50%);
  border-radius: 100px;
  pointer-events: none;
}
.slider-thumb {
  position: absolute;
  top: 50%;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid #fff;
  transform: translate(-50%, -50%);
  box-shadow: 0 2px 8px rgba(0,0,0,0.4), 0 0 0 1px rgba(0,0,0,0.05);
  transition: transform 0.15s var(--ease), box-shadow 0.15s;
  pointer-events: none;
}
.slider:hover .slider-thumb { transform: translate(-50%, -50%) scale(1.18); }
.slider:active .slider-thumb,
.slider.dragging .slider-thumb { transform: translate(-50%, -50%) scale(1.3); box-shadow: 0 0 0 8px color-mix(in oklab, var(--current-color, #fff) 25%, transparent), 0 2px 12px rgba(0,0,0,0.4); }

.hue-slider .slider-track {
  background: linear-gradient(to right,
    hsl(0, 100%, 50%), hsl(60, 100%, 50%), hsl(120, 100%, 50%),
    hsl(180, 100%, 50%), hsl(240, 100%, 50%), hsl(300, 100%, 50%), hsl(360, 100%, 50%));
}
.alpha-checker {
  position: absolute;
  top: 50%;
  left: 0; right: 0;
  height: 12px;
  transform: translateY(-50%);
  border-radius: 100px;
  background-image:
    linear-gradient(45deg, #ccc 25%, transparent 25%),
    linear-gradient(-45deg, #ccc 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ccc 75%),
    linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0;
  background-color: #fff;
}

.picker-actions { display: flex; gap: 6px; flex-wrap: wrap; position: relative; z-index: 1; }

.formats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
  align-content: start;
}

.format-card {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--ease);
  transform-style: preserve-3d;
  perspective: 1000px;
}
.format-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--current-color, transparent) 0%, transparent 50%);
  opacity: 0.08;
  pointer-events: none;
  transition: opacity 0.4s;
}
.format-card:hover { border-color: var(--border-2); }
.format-card:hover::before { opacity: 0.18; }

.format-meta { grid-column: span 2; }

.format-head { display: flex; justify-content: space-between; align-items: center; position: relative; z-index: 1; }
.format-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text);
  padding: 4px 10px;
  background: var(--surface-2);
  border-radius: 6px;
  border: 1px solid var(--border);
  font-family: var(--font-mono);
}
.format-desc { font-size: 12px; color: var(--text-3); font-weight: 500; }
.format-body { display: flex; gap: 8px; align-items: center; position: relative; z-index: 1; }

.format-input {
  flex: 1;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  outline: none;
  transition: all 0.3s var(--ease);
  min-width: 0;
}
.format-input:focus { border-color: var(--accent); background: color-mix(in oklab, var(--accent) 8%, var(--bg-2)); }
.format-input:hover { border-color: var(--border-2); }
.format-input[readonly] { color: var(--text-2); }

.copy-btn {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  cursor: pointer;
  display: grid; place-items: center;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  font-family: inherit;
}
.copy-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent), color-mix(in oklab, var(--accent) 60%, var(--accent-2)));
  opacity: 0;
  transition: opacity 0.3s;
}
.copy-btn:hover { color: #fff; border-color: transparent; transform: translateY(-1px); }
.copy-btn:hover::before { opacity: 1; }
.copy-btn:active { transform: translateY(0) scale(0.94); }
.copy-btn svg { position: relative; z-index: 1; transition: all 0.3s var(--ease); }
.copy-btn .ic-check { position: absolute; opacity: 0; transform: scale(0.5); }
.copy-btn.copied .ic-copy { opacity: 0; transform: scale(0.5); }
.copy-btn.copied .ic-check { opacity: 1; transform: scale(1); }
.copy-btn.copied { background: var(--success); border-color: var(--success); color: #fff; }
.copy-btn.copied::before { opacity: 0; }

.copy-all-btn {
  grid-column: 1 / -1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  box-shadow: 0 10px 30px -10px var(--accent);
}
.copy-all-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -10px var(--accent); }
.copy-all-btn:active { transform: translateY(0) scale(0.98); }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 24px;
  gap: 20px;
  flex-wrap: wrap;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.section-head p { font-size: 14px; color: var(--text-2); max-width: 540px; }

.scale-tabs {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px;
  gap: 2px;
  flex-wrap: wrap;
}
.tab {
  padding: 8px 16px;
  border-radius: 100px;
  border: none;
  background: transparent;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  font-family: inherit;
}
.tab:hover { color: var(--text); }
.tab.active { background: var(--text); color: var(--bg); box-shadow: 0 2px 8px rgba(0,0,0,0.1); }

.palette {
  display: grid;
  grid-template-columns: repeat(11, 1fr);
  gap: 8px;
}
.palette.small-mode { grid-template-columns: repeat(5, 1fr); }
.palette.tetradic-mode { grid-template-columns: repeat(4, 1fr); }

.swatch-cell {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--ease);
  border: 1px solid rgba(255,255,255,0.06);
  animation: swatchIn 0.4s var(--ease) backwards;
}
.swatch-cell:hover {
  transform: translateY(-4px) scale(1.05);
  z-index: 2;
  box-shadow: 0 12px 30px -10px rgba(0,0,0,0.5);
}
.swatch-cell.active {
  border: 2px solid #fff;
  box-shadow: 0 0 0 3px var(--accent), 0 12px 30px -10px rgba(0,0,0,0.5);
}
.swatch-cell .sw-info {
  position: absolute;
  inset: auto 0 0 0;
  padding: 6px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  text-align: center;
  background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
  color: #fff;
  opacity: 0;
  transition: opacity 0.3s;
  letter-spacing: 0.02em;
}
.swatch-cell:hover .sw-info { opacity: 1; }
.swatch-cell .sw-tick {
  position: absolute;
  top: 6px; right: 6px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--success);
  display: none;
  place-items: center;
  color: #fff;
  z-index: 2;
}
.swatch-cell.copied .sw-tick { display: grid; animation: pop 0.4s var(--ease-bounce); }
.swatch-cell.copied .sw-info { opacity: 1; }
@keyframes swatchIn {
  from { opacity: 0; transform: scale(0.7); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes pop {
  0% { transform: scale(0); }
  60% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

.gradient-section { padding: 28px; margin-bottom: 40px; overflow: hidden; }
.grad-controls { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.seg-control {
  display: flex;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px;
  gap: 2px;
}
.seg {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 100px;
  border: none;
  background: transparent;
  color: var(--text-2);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.25s var(--ease);
}
.seg:hover { color: var(--text); }
.seg.active { background: var(--text); color: var(--bg); }
.grad-angle { display: flex; align-items: center; gap: 8px; }
.grad-angle label { font-size: 12px; color: var(--text-3); font-weight: 600; }
.grad-angle input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100px;
  height: 4px;
  background: var(--border-2);
  border-radius: 2px;
  outline: none;
}
.grad-angle input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 25%, transparent);
}
.grad-angle input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px;
  background: var(--accent);
  border-radius: 50%;
  border: none;
  cursor: pointer;
}

.gradient-display {
  height: 280px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 18px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);
  transition: background 0.4s;
}
.gradient-display::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.08) 50%, transparent 70%);
  animation: shine 6s ease-in-out infinite;
}

.grad-stops {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.grad-stop {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  position: relative;
  transition: all 0.25s var(--ease);
}
.grad-stop:hover { border-color: var(--border-2); }
.grad-stop-color {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 2px solid var(--border-2);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.grad-stop-color input { position: absolute; inset: 0; opacity: 0; cursor: pointer; border: none; }
.grad-stop-pos {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-2);
  min-width: 36px;
}
.grad-stop-pos input {
  width: 36px;
  background: transparent;
  border: none;
  color: inherit;
  font: inherit;
  outline: none;
  text-align: right;
}
.grad-stop-remove {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--text-3);
  cursor: pointer;
  display: grid; place-items: center;
  transition: all 0.2s;
}
.grad-stop-remove:hover { background: var(--danger); color: #fff; }
.grad-stop-add {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: transparent;
  border: 1px dashed var(--border-2);
  border-radius: 100px;
  color: var(--text-2);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.grad-stop-add:hover { background: var(--surface); color: var(--text); border-style: solid; }

.grad-output {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.grad-output code {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text);
  overflow-x: auto;
  white-space: nowrap;
}

.extract-section { padding: 28px; margin-bottom: 40px; }
.extract-body { display: grid; grid-template-columns: 280px 1fr; gap: 20px; align-items: start; }
.drop-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 40px 20px;
  border: 2px dashed var(--border-2);
  border-radius: var(--radius);
  background: var(--bg-2);
  cursor: pointer;
  transition: all 0.3s var(--ease);
  text-align: center;
}
.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--accent);
  background: color-mix(in oklab, var(--accent) 8%, var(--bg-2));
  transform: scale(1.02);
}
.drop-icon { color: var(--text-3); }
.drop-zone:hover .drop-icon { color: var(--accent); transform: scale(1.1); }
.drop-text { display: flex; flex-direction: column; gap: 4px; }
.drop-text strong { font-size: 14px; font-weight: 600; }
.drop-text span { font-size: 12px; color: var(--text-3); }

.extract-result { display: flex; flex-direction: column; gap: 14px; }
.extract-result canvas { max-width: 100%; border-radius: var(--radius-sm); border: 1px solid var(--border); }
.extract-palette { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.extract-swatch {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.25s var(--ease);
  animation: swatchIn 0.5s var(--ease) backwards;
}
.extract-swatch:hover { transform: translateY(-3px) scale(1.05); z-index: 2; box-shadow: 0 10px 25px -8px rgba(0,0,0,0.4); }
.extract-swatch .es-info {
  position: absolute;
  inset: auto 0 0 0;
  padding: 4px 6px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  text-align: center;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
  color: #fff;
  opacity: 0;
  transition: opacity 0.3s;
}
.extract-swatch:hover .es-info { opacity: 1; }
.empty-state { grid-column: 1 / -1; display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 50px 20px; color: var(--text-3); text-align: center; }

.blindness-section { margin-bottom: 40px; }
.blindness-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}
.blindness-card {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: all 0.3s var(--ease);
}
.blindness-card:hover { transform: translateY(-3px); border-color: var(--border-2); }
.blindness-swatch {
  width: 100%;
  height: 100px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
}
.blindness-name { font-size: 13px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 4px; }
.blindness-desc { font-size: 11px; color: var(--text-3); }

.preview-section { padding: 28px; margin-bottom: 40px; }
.ui-preview { display: grid; grid-template-columns: 1.2fr 1fr; gap: 20px; }
.ui-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s var(--ease);
}
.ui-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.ui-card-thumb {
  height: 140px;
  background: var(--current-color, var(--accent));
  position: relative;
  overflow: hidden;
}
.ui-card-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 60%);
}
.ui-card-body { padding: 18px; }
.ui-card-body h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.ui-card-body p { font-size: 13px; color: var(--text-2); line-height: 1.5; margin-bottom: 14px; }
.ui-btn {
  padding: 10px 20px;
  background: var(--current-color, var(--accent));
  color: #fff;
  border: none;
  border-radius: 100px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  box-shadow: 0 6px 20px -8px var(--current-color, var(--accent));
}
.ui-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -8px var(--current-color, var(--accent)); }

.ui-elements { display: flex; flex-direction: column; gap: 12px; }
.ui-tag {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 6px 14px;
  background: var(--current-color, var(--accent));
  color: #fff;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}
.ui-alert {
  padding: 12px 16px;
  background: color-mix(in oklab, var(--current-color, var(--accent)) 18%, var(--bg-2));
  border: 1px solid var(--current-color, var(--accent));
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
}
.ui-input-wrap { display: flex; flex-direction: column; gap: 6px; }
.ui-input-wrap label { font-size: 11px; color: var(--text-3); text-transform: uppercase; font-weight: 600; letter-spacing: 0.06em; }
.ui-input {
  padding: 10px 14px;
  background: var(--bg-2);
  border: 1px solid var(--current-color, var(--accent));
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  outline: none;
  transition: all 0.3s;
}
.ui-input:focus { box-shadow: 0 0 0 3px color-mix(in oklab, var(--current-color, var(--accent)) 25%, transparent); }
.ui-progress { height: 8px; background: var(--bg-2); border-radius: 100px; overflow: hidden; }
.ui-progress-bar {
  height: 100%;
  width: 65%;
  background: var(--current-color, var(--accent));
  border-radius: 100px;
  transition: width 0.4s var(--ease), background 0.4s;
  background: linear-gradient(90deg, var(--current-color, var(--accent)), color-mix(in oklab, var(--current-color, var(--accent)) 50%, transparent));
  box-shadow: 0 0 20px var(--current-color, var(--accent));
}
.ui-text-sample {
  padding: 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--current-color, var(--accent));
}
.ui-text-sample h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; color: var(--current-color, var(--accent)); }
.ui-text-sample p { font-size: 13px; line-height: 1.5; color: var(--text-2); }

.themes-section { margin-bottom: 40px; }
.themes-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.theme-card {
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.theme-card:hover { transform: translateY(-3px); border-color: var(--border-2); box-shadow: var(--shadow-lg); }
.theme-name { font-size: 14px; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.01em; }
.theme-swatches { display: flex; gap: 4px; margin-bottom: 8px; }
.theme-swatches div { flex: 1; height: 36px; border-radius: 6px; }

.contrast-section { padding: 28px; margin-bottom: 40px; }
.contrast-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.contrast-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.3s var(--ease);
}
.contrast-card:hover { transform: translateY(-2px); border-color: var(--border-2); }
.contrast-label { font-size: 11px; color: var(--text-3); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }
.contrast-status { font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }
.contrast-status.pass { color: var(--success); }
.contrast-status.fail { color: var(--danger); }
.contrast-ratio { font-family: var(--font-mono); font-size: 13px; color: var(--text-2); }
.swatch { height: 50px; border-radius: var(--radius-sm); border: 1px solid var(--border); display: grid; place-items: center; font-family: var(--font-mono); font-size: 11px; font-weight: 600; margin-top: 4px; }

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 28px 0;
  color: var(--text-3);
  font-size: 13px;
  letter-spacing: 0.02em;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--text-2); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }

.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--text);
  color: var(--bg);
  padding: 12px 20px;
  border-radius: 100px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 20px 50px -10px rgba(0,0,0,0.5);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: all 0.4s var(--ease-bounce);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast svg { color: var(--success); }

.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; }
.modal-backdrop, .palette-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeIn 0.3s var(--ease);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-card, .palette-card {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  max-width: 720px;
  width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 40px 100px -20px rgba(0,0,0,0.5);
  animation: modalIn 0.4s var(--ease-bounce);
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.9) translateY(20px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--border); }
.modal-head h3 { font-size: 18px; font-weight: 700; letter-spacing: -0.01em; }
.export-tabs { display: flex; gap: 4px; padding: 16px 24px 0; flex-wrap: wrap; }
.export-code {
  flex: 1;
  margin: 16px 24px;
  padding: 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  overflow: auto;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-all;
}
.modal-actions { padding: 16px 24px 20px; display: flex; justify-content: flex-end; gap: 10px; }

.command-palette { position: fixed; inset: 0; z-index: 200; display: grid; place-items: start center; padding: 100px 20px 20px; }
.palette-card { max-width: 600px; }
.palette-input-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--text-3);
}
.palette-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
}
.palette-input::placeholder { color: var(--text-3); }
.palette-input-wrap kbd {
  padding: 3px 8px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--text-2);
}
.palette-results { max-height: 400px; overflow-y: auto; padding: 8px; }
.palette-result {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}
.palette-result:hover, .palette-result.active { background: var(--surface-2); }
.palette-result-icon { width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; color: var(--text-2); }
.palette-result-text { flex: 1; }
.palette-result-title { font-size: 14px; font-weight: 600; }
.palette-result-desc { font-size: 12px; color: var(--text-3); margin-top: 2px; }
.palette-result-kbd { display: inline-flex; gap: 2px; }
.palette-result-kbd kbd {
  padding: 2px 6px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--text-2);
}
.palette-empty { text-align: center; padding: 40px 20px; color: var(--text-3); font-size: 13px; }

.seo-content {
  margin-top: 60px;
  padding: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.seo-content article h2 { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 14px; }
.seo-content article h3 { font-size: 18px; font-weight: 700; letter-spacing: -0.01em; margin: 28px 0 10px; }
.seo-content p { font-size: 15px; line-height: 1.7; color: var(--text-2); margin-bottom: 12px; }
.seo-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 2px 8px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
}
.seo-content strong { color: var(--text); font-weight: 600; }
.seo-content em { color: var(--text-2); font-style: normal; }
.rgb-list { list-style: none; padding: 0; margin: 16px 0; display: grid; gap: 8px; }
.rgb-list li {
  padding: 12px 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: all 0.25s var(--ease);
}
.rgb-list li:hover { border-color: var(--border-2); transform: translateX(4px); }
.seo-content details {
  margin: 8px 0;
  padding: 14px 18px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.25s var(--ease);
}
.seo-content details:hover { border-color: var(--border-2); }
.seo-content details[open] { background: var(--surface-2); }
.seo-content summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}
.seo-content summary::-webkit-details-marker { display: none; }
.seo-content summary::after {
  content: '+';
  font-size: 22px;
  font-weight: 300;
  color: var(--text-3);
  transition: transform 0.3s var(--ease);
}
.seo-content details[open] summary::after { transform: rotate(45deg); }
.seo-content details p { margin-top: 12px; margin-bottom: 0; }

.tilt { transform-style: preserve-3d; transition: transform 0.4s var(--ease); }

@keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }
.shake { animation: shake 0.4s var(--ease); }

@media (max-width: 1100px) {
  .studio { grid-template-columns: 1fr; }
  .extract-body { grid-template-columns: 1fr; }
  .ui-preview { grid-template-columns: 1fr; }
  .format-meta { grid-column: auto; }
}
@media (max-width: 720px) {
  .container { padding: 24px 16px 60px; }
  .topbar { padding: 10px 16px; gap: 12px; grid-template-columns: auto 1fr; }
  .command-trigger { display: none; }
  .hero h1 { font-size: 38px; }
  .formats { grid-template-columns: 1fr; }
  .palette { grid-template-columns: repeat(6, 1fr) !important; }
  .palette.tetradic-mode { grid-template-columns: repeat(2, 1fr) !important; }
  .gradient-display { height: 200px; }
  .extract-palette { grid-template-columns: repeat(3, 1fr); }
  .blindness-grid { grid-template-columns: repeat(2, 1fr); }
  .themes-grid { grid-template-columns: 1fr 1fr; }
  .scale-tabs { width: 100%; justify-content: space-between; }
  .tab { padding: 7px 10px; font-size: 12px; flex: 1; text-align: center; }
  .seo-content { padding: 24px; }
  .command-palette { padding: 60px 12px 12px; }
  .modal { padding: 12px; }
  .footer { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .palette { grid-template-columns: repeat(5, 1fr) !important; }
  .hero h1 { font-size: 32px; }
  .brand-sub { display: none; }
  .topbar-actions .icon-btn { width: 34px; height: 34px; }
  .topbar-actions .icon-btn svg { width: 16px; height: 16px; }
}

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }