/* Landing-only subset of main.css: exact shared tokens, palettes and switchers.
   When changing shared themes, update this subset from main.css. */
:root {
  --chart-bg: var(--bg-1);
  /* MindScan — Aurora/Emerald design system */
  --bg-0: #05080a;
  --bg-1: #080d0f;
  --bg-2: #0d1417;
  --bg-3: #131e20;
  --border: #1c2b2a;
  --border-soft: #16211f;
  --text: #e7f2ec;
  --muted: #7d918a;
  --green: #2fe08a;
  --green-dim: #0f4a33;
  --red: #ff4d6d;
  --red-dim: #5e1525;
  --accent: #07d99c;
  --accent-2: #38e8a8;
  --accent-3: #00c2b8;
  --yellow: #f5b73d;
  --cyan: #22d3ee;
  --radius: 14px;
  --radius-lg: 22px;
  --mono: "JetBrains Mono", monospace;
  --sans: "Manrope", system-ui, sans-serif;
  --display: "Space Grotesk", "Manrope", system-ui, sans-serif;
  --grad: linear-gradient(135deg, #38e8a8 0%, #07d99c 45%, #00c2b8 100%);
  --grad-soft: linear-gradient(135deg, rgba(56,232,168,0.16), rgba(0,194,184,0.10));
  --glow: 0 0 0 1px rgba(var(--accent-rgb),0.2), 0 10px 40px -8px rgba(var(--accent-rgb),0.35);
  --shadow-1: 0 8px 30px -12px rgba(0,0,0,0.6);
  --shadow-2: 0 24px 70px -20px rgba(0,0,0,0.75);
  /* Цвета aurora-фона (лендинг/кабинет) — переопределяются темами */
  --aurora-a: rgba(var(--accent-rgb), 0.30);
  --aurora-b: rgba(0, 194, 184, 0.22);
  --aurora-c: rgba(56, 232, 168, 0.16);
  --primary-ink: #04130d; /* цвет текста на акцентной кнопке */
  /* RGB-канал акцента: позволяет строить rgba(var(--accent-rgb), a) и
     красить ВСЕ свечения/бордеры/ховеры под активную тему, а не фикс-зелёным. */
  --accent-rgb: 7, 217, 156;
  /* Поверхности-панели (приподнятые карточки/панели). Тёмные по умолчанию,
     переопределяются светлыми темами, чтобы стекло не оставалось чёрным. */
  --panel: linear-gradient(180deg, rgba(13,20,23,0.7), rgba(8,13,15,0.55));
  --panel-strong: linear-gradient(180deg, rgba(13,20,23,0.92), rgba(8,13,15,0.92));
  --glass-bg: linear-gradient(180deg, rgba(16,24,22,0.66), rgba(8,13,15,0.72));
  --ghost-bg: rgba(255,255,255,0.02);
  --grid-line: rgba(255,255,255,0.02);
  --header-bg: rgba(5, 8, 10, 0.6);
  /* Уплотнённая шапка при скролле — берём непрозрачный фон активной темы,
     поэтому app-bar автоматически верный во всех 12 темах. */
  --header-bg-solid: var(--bg-1);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; padding: 0; }
body { font-family: var(--sans); background: var(--bg-0); color: var(--text); min-height: 100vh; }
a { color: inherit; text-decoration: none; }

:root[data-theme="light"] {
  --bg-0: #f4f7f6; --bg-1: #ffffff; --bg-2: #eef3f1; --bg-3: #e3eae7;
  --border: #d3ddd9; --border-soft: #e2e9e6;
  --text: #0c1814; --muted: #5d6f68;
  /* T-21: текстовые токены затемнены до WCAG AA (≥4.5:1 на --bg-1):
     accent 3.05→5.31, green 3.49→5.38, red 4.28→5.73, yellow 3.02→5.53. */
  --accent: #057a5e; --accent-2: #047857; --accent-3: #009b93;
  --green: #067a4e; --red: #c22744; --yellow: #8a6108;
  /* Непрозрачные подложки бейджей вместо тёмных -dim из тёмной темы. */
  --green-dim: #d9f2e6; --red-dim: #fadde3;
  --grad: linear-gradient(135deg, #0bb98a 0%, #07a87a 45%, #009b93 100%);
  --grad-soft: linear-gradient(135deg, rgba(11,185,138,0.14), rgba(0,155,147,0.08));
  --aurora-a: rgba(11,185,138,0.18); --aurora-b: rgba(0,155,147,0.14); --aurora-c: rgba(7,168,122,0.12);
  --primary-ink: #ffffff;
  --accent-rgb: 7, 168, 122;
  --panel: linear-gradient(180deg, rgba(255,255,255,0.82), rgba(255,255,255,0.55));
  --panel-strong: linear-gradient(180deg, #ffffff, rgba(255,255,255,0.94));
  --glass-bg: linear-gradient(180deg, rgba(255,255,255,0.8), rgba(255,255,255,0.62));
  --ghost-bg: rgba(10,30,25,0.04); --grid-line: rgba(10,30,25,0.05);
  --shadow-1: 0 8px 30px -12px rgba(20,40,35,0.18); --shadow-2: 0 24px 70px -20px rgba(20,40,35,0.22);
  --header-bg: rgba(255,255,255,0.72);
}

:root[data-theme="midnight"] {
  --bg-0: #060912; --bg-1: #0a0f1f; --bg-2: #0f1730; --bg-3: #16213f;
  --border: #1d2a4d; --border-soft: #16213f;
  --text: #e6ecff; --muted: #8593b8;
  --accent: #5b8cff; --accent-2: #7aa2ff; --accent-3: #4f6bff;
  --green: #3ddc97; --red: #ff5d7a; --yellow: #ffcb5e;
  --grad: linear-gradient(135deg, #7aa2ff 0%, #5b8cff 45%, #4f6bff 100%);
  --grad-soft: linear-gradient(135deg, rgba(122,162,255,0.16), rgba(79,107,255,0.10));
  --aurora-a: rgba(91,140,255,0.30); --aurora-b: rgba(79,107,255,0.22); --aurora-c: rgba(122,162,255,0.16);
  --primary-ink: #04122e;
  --accent-rgb: 91, 140, 255;
}

:root[data-theme="ocean"] {
  --bg-0: #04121a; --bg-1: #071a26; --bg-2: #0a2433; --bg-3: #0f3243;
  --border: #134155; --border-soft: #0f3243;
  --text: #e2f6ff; --muted: #7da6b8;
  --accent: #21c7e0; --accent-2: #43dbe8; --accent-3: #0aa6cf;
  --green: #2fe0c0; --red: #ff5d7a; --yellow: #ffd166;
  --grad: linear-gradient(135deg, #43dbe8 0%, #21c7e0 45%, #0aa6cf 100%);
  --grad-soft: linear-gradient(135deg, rgba(67,219,232,0.16), rgba(10,166,207,0.10));
  --aurora-a: rgba(33,199,224,0.30); --aurora-b: rgba(10,166,207,0.22); --aurora-c: rgba(67,219,232,0.16);
  --primary-ink: #03161d;
  --accent-rgb: 33, 199, 224;
}

:root[data-theme="forest"] {
  --bg-0: #060e09; --bg-1: #0a160e; --bg-2: #0f2114; --bg-3: #163019;
  --border: #1e4226; --border-soft: #163019;
  --text: #e8f6e9; --muted: #84a288;
  --accent: #4caf50; --accent-2: #6cc56f; --accent-3: #2e9e43;
  --green: #5ed47a; --red: #ff6b5b; --yellow: #e0a93b;
  --grad: linear-gradient(135deg, #6cc56f 0%, #4caf50 45%, #2e9e43 100%);
  --grad-soft: linear-gradient(135deg, rgba(108,197,111,0.16), rgba(46,158,67,0.10));
  --aurora-a: rgba(76,175,80,0.28); --aurora-b: rgba(46,158,67,0.20); --aurora-c: rgba(108,197,111,0.16);
  --primary-ink: #04140a;
  --accent-rgb: 76, 175, 80;
}

:root[data-theme="sunset"] {
  --bg-0: #140a07; --bg-1: #1d0f0a; --bg-2: #2a1610; --bg-3: #3a2016;
  --border: #4d2c1d; --border-soft: #3a2016;
  --text: #fff0e6; --muted: #b8917d;
  --accent: #ff8c42; --accent-2: #ffa45e; --accent-3: #ff6b35;
  --green: #38e8a8; --red: #ff4d6d; --yellow: #ffc857;
  --grad: linear-gradient(135deg, #ffa45e 0%, #ff8c42 45%, #ff6b35 100%);
  --grad-soft: linear-gradient(135deg, rgba(255,164,94,0.16), rgba(255,107,53,0.10));
  --aurora-a: rgba(255,140,66,0.28); --aurora-b: rgba(255,107,53,0.20); --aurora-c: rgba(255,200,87,0.16);
  --primary-ink: #1d0f06;
  --accent-rgb: 255, 140, 66;
}

:root[data-theme="rose"] {
  --bg-0: #14070d; --bg-1: #1d0a13; --bg-2: #2a101c; --bg-3: #3a1628;
  --border: #4d1d36; --border-soft: #3a1628;
  --text: #ffe8f2; --muted: #b87d9c;
  --accent: #ff5fa2; --accent-2: #ff7eb6; --accent-3: #ff4d8d;
  --green: #38e8a8; --red: #ff4d6d; --yellow: #ffc857;
  --grad: linear-gradient(135deg, #ff7eb6 0%, #ff5fa2 45%, #ff4d8d 100%);
  --grad-soft: linear-gradient(135deg, rgba(255,126,182,0.16), rgba(255,77,141,0.10));
  --aurora-a: rgba(255,95,162,0.28); --aurora-b: rgba(255,77,141,0.20); --aurora-c: rgba(255,126,182,0.16);
  --primary-ink: #1d0710;
  --accent-rgb: 255, 95, 162;
}

:root[data-theme="paper"] {
  --bg-0: #f3efe7; --bg-1: #fbf8f1; --bg-2: #ece6da; --bg-3: #e0d8c8;
  --border: #d2c8b4; --border-soft: #e0d8c8;
  --text: #2a2419; --muted: #7a7060;
  /* T-21: WCAG AA на кремовой подложке (accent 3.49→5.57, green 3.20→5.30). */
  --accent: #8a5a12; --accent-2: #7a4e0e; --accent-3: #9c6312;
  --green: #067a4e; --red: #b92335; --yellow: #8a6108;
  --green-dim: #e2f0e4; --red-dim: #f5dfe0;
  --grad: linear-gradient(135deg, #c98f2c 0%, #b3791f 45%, #9c6312 100%);
  --grad-soft: linear-gradient(135deg, rgba(201,143,44,0.16), rgba(156,99,18,0.08));
  --aurora-a: rgba(201,143,44,0.16); --aurora-b: rgba(156,99,18,0.12); --aurora-c: rgba(179,121,31,0.10);
  --primary-ink: #ffffff;
  --accent-rgb: 179, 121, 31;
  --panel: linear-gradient(180deg, rgba(255,253,247,0.86), rgba(251,248,241,0.6));
  --panel-strong: linear-gradient(180deg, #fffdf7, #fbf8f1);
  --glass-bg: linear-gradient(180deg, rgba(255,253,247,0.84), rgba(251,248,241,0.66));
  --ghost-bg: rgba(80,60,20,0.05); --grid-line: rgba(80,60,20,0.05);
  --shadow-1: 0 8px 30px -12px rgba(80,60,20,0.18); --shadow-2: 0 24px 70px -20px rgba(80,60,20,0.22);
  --header-bg: rgba(251,248,241,0.78);
}

:root[data-theme="fog"] {
  --bg-0: #eef0f2; --bg-1: #f8fafb; --bg-2: #e6e9ed; --bg-3: #dadee3;
  --border: #c8ced6; --border-soft: #dadee3;
  --text: #1a2026; --muted: #687078;
  /* T-21: WCAG AA на светло-серой подложке (green 3.24→5.15, accent →4.99). */
  --accent: #3a6fa8; --accent-2: #2f5d8f; --accent-3: #3a6fa8;
  --green: #0c7a4a; --red: #b92335; --yellow: #8a6108;
  --green-dim: #ddefe6; --red-dim: #f5dfe0;
  --grad: linear-gradient(135deg, #5f9bd6 0%, #4a86c4 45%, #3a6fa8 100%);
  --grad-soft: linear-gradient(135deg, rgba(95,155,214,0.14), rgba(58,111,168,0.08));
  --aurora-a: rgba(95,155,214,0.14); --aurora-b: rgba(58,111,168,0.10); --aurora-c: rgba(74,134,196,0.10);
  --primary-ink: #ffffff;
  --accent-rgb: 74, 134, 196;
  --panel: linear-gradient(180deg, rgba(255,255,255,0.88), rgba(248,250,251,0.6));
  --panel-strong: linear-gradient(180deg, #ffffff, #f8fafb);
  --glass-bg: linear-gradient(180deg, rgba(255,255,255,0.84), rgba(248,250,251,0.66));
  --ghost-bg: rgba(20,30,40,0.04); --grid-line: rgba(20,30,40,0.05);
  --shadow-1: 0 8px 30px -12px rgba(20,30,40,0.16); --shadow-2: 0 24px 70px -20px rgba(20,30,40,0.2);
  --header-bg: rgba(255,255,255,0.78);
}

:root[data-theme="slate"] {
  --bg-0: #0c0e10; --bg-1: #131619; --bg-2: #1b1f24; --bg-3: #252b31;
  --border: #2f363d; --border-soft: #252b31;
  --text: #e7ebee; --muted: #8a949c;
  --accent: #9aa7b2; --accent-2: #b4c0c9; --accent-3: #7e8b96;
  --green: #4cc38a; --red: #f0556e; --yellow: #e0b341;
  --grad: linear-gradient(135deg, #b4c0c9 0%, #9aa7b2 45%, #7e8b96 100%);
  --grad-soft: linear-gradient(135deg, rgba(180,192,201,0.14), rgba(126,139,150,0.08));
  --aurora-a: rgba(154,167,178,0.18); --aurora-b: rgba(126,139,150,0.12); --aurora-c: rgba(180,192,201,0.10);
  --primary-ink: #0c0e10;
  --accent-rgb: 154, 167, 178;
}

:root[data-theme="matrix"] {
  --bg-0: #000300; --bg-1: #020a02; --bg-2: #041204; --bg-3: #071c07;
  --border: #0c2a0c; --border-soft: #071c07;
  --text: #c4ffc4; --muted: #4f9f4f;
  --accent: #00ff66; --accent-2: #3dff85; --accent-3: #00cc52;
  --green: #00ff66; --red: #ff4d4d; --yellow: #d4ff3d;
  --grad: linear-gradient(135deg, #3dff85 0%, #00ff66 45%, #00cc52 100%);
  --grad-soft: linear-gradient(135deg, rgba(0,255,102,0.16), rgba(0,204,82,0.10));
  --aurora-a: rgba(0,255,102,0.22); --aurora-b: rgba(0,204,82,0.16); --aurora-c: rgba(61,255,133,0.12);
  --primary-ink: #001a06;
  --accent-rgb: 0, 255, 102;
}

:root[data-theme="gravity"] {
  --bg-0: #0c0818; --bg-1: #130d24; --bg-2: #1c1336; --bg-3: #281c4a;
  --border: #382764; --border-soft: #281c4a;
  --text: #ece6ff; --muted: #9485c0;
  --accent: #b06bff; --accent-2: #c98fff; --accent-3: #00d6c2;
  --green: #00d6c2; --red: #ff5d7a; --yellow: #ffd23d;
  --grad: linear-gradient(135deg, #c98fff 0%, #b06bff 45%, #00d6c2 100%);
  --grad-soft: linear-gradient(135deg, rgba(176,107,255,0.16), rgba(0,214,194,0.10));
  --aurora-a: rgba(176,107,255,0.28); --aurora-b: rgba(0,214,194,0.20); --aurora-c: rgba(201,143,255,0.16);
  --primary-ink: #120a24;
  --accent-rgb: 176, 107, 255;
}

:root[data-theme="terminal"] {
  --bg-0: #05070a; --bg-1: #080b0e; --bg-2: #0c1014; --bg-3: #10151a;
  --border: #1e2a33; --border-soft: #151d24;
  --text: #d3e2ea; --muted: #6b7f8c;
  --accent: #7ee787; --accent-2: #9df0a5; --accent-3: #56d364;
  --green: #56d364; --green-dim: #123a22; --red: #ff6b6b; --red-dim: #4a1520;
  --yellow: #e3b341; --cyan: #39c5cf;
  --sans: "JetBrains Mono", monospace;
  --display: "JetBrains Mono", monospace;
  --grad: linear-gradient(135deg, #7ee787 0%, #56d364 100%);
  --grad-soft: none;
  --glow: none;
  --shadow-1: none; --shadow-2: none;
  --aurora-a: transparent; --aurora-b: transparent; --aurora-c: transparent;
  --primary-ink: #04140a;
  --accent-rgb: 126, 231, 135;
  --header-bg: rgba(8, 11, 14, 0.92);
  /* Плоские непрозрачные панели — без этих переменных карточки были
     прозрачными (var() несуществующей переменной = invalid → unset). */
  --panel: #0c1014;
  --panel-strong: #0c1014;
  --glass-bg: rgba(12, 16, 20, 0.95);
  --ghost-bg: rgba(126, 231, 135, 0.03);
  --grid-line: rgba(126, 231, 135, 0.04);
}

:root[data-theme="noir"] {
  --bg-0: #000000; --bg-1: #050505; --bg-2: #0d0d0d; --bg-3: #161616;
  --border: #2a2a2a; --border-soft: #1c1c1c;
  --text: #f2f2f2; --muted: #8a8a8a;
  --accent: #ffffff; --accent-2: #ffffff; --accent-3: #d9d9d9;
  /* Свечи/объёмы/бейджи сторон — ВСЕ белые (философия Нуара). */
  --green: #ffffff; --green-dim: #2e2e2e; --red: #ffffff; --red-dim: #2e2e2e;
  --yellow: #d9d9d9; --cyan: #d9d9d9;
  --grad: linear-gradient(135deg, #ffffff 0%, #d9d9d9 100%);
  --grad-soft: none;
  --glow: none; --shadow-1: none; --shadow-2: none;
  --aurora-a: transparent; --aurora-b: transparent; --aurora-c: transparent;
  --primary-ink: #000000; /* чёрный текст на белых акцентных кнопках */
  --accent-rgb: 255, 255, 255;
  --panel: #0d0d0d; --panel-strong: #101010;
  --glass-bg: rgba(8, 8, 8, 0.95);
  --ghost-bg: rgba(255, 255, 255, 0.03);
  --grid-line: rgba(255, 255, 255, 0.05);
  --header-bg: rgba(5, 5, 5, 0.92);
}

.lang-switcher { position: relative; display: inline-block; }
.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--text);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: 0.15s ease;
}
.lang-btn:hover { border-color: var(--accent); }
.lang-caret { color: var(--muted); font-size: 0.7rem; }
.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 2px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
  z-index: 100;
}
.lang-menu.open { display: flex; }
.lang-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font-size: 0.9rem;
  text-align: left;
  cursor: pointer;
}
.lang-item:hover { background: var(--bg-3); }
.lang-item.active { background: rgba(var(--accent-rgb), 0.18); color: var(--accent-2); }

.theme-switcher { position: relative; display: inline-flex; }
.theme-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--bg-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 7px 11px; cursor: pointer; font-family: var(--sans);
  font-weight: 600; font-size: 0.85rem; transition: border-color 0.15s ease;
}
.theme-btn:hover { border-color: var(--accent); }
.theme-menu {
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 200;
  background: var(--bg-1); border: 1px solid var(--border); border-radius: 14px;
  padding: 12px; width: 340px; max-width: 88vw;
  box-shadow: var(--shadow-2); display: none;
  grid-template-columns: 1fr 1fr; gap: 8px;
}
.theme-menu.open { display: grid; }
.theme-menu-title {
  grid-column: 1 / -1; font-size: 0.72rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted); margin: 2px 2px 4px;
}
.theme-item {
  display: flex; align-items: center; gap: 10px; cursor: pointer;
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px;
  padding: 8px 10px; transition: border-color 0.15s ease, transform 0.08s ease;
  text-align: left; color: var(--text); font-family: var(--sans); font-size: 0.85rem;
}
.theme-item:hover { border-color: var(--accent); transform: translateY(-1px); }
/* Переключатель углов темы (Макс 19.09): прямые/скруглённые поверх любой темы. */
.corner-switch {
  grid-column: 1 / -1; display: flex; align-items: center; gap: 8px;
  padding: 2px 2px 8px;
}
.corner-cap { font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.corner-btn {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 7px;
  padding: 6px 10px; font-size: 0.8rem; cursor: pointer;
  background: var(--bg-2); border: 1px solid var(--border); color: var(--text);
  font-family: var(--sans);
}
.corner-btn .corner-ic { display: inline-block; width: 12px; height: 12px; border: 2px solid currentColor; }
.corner-btn.corner-round .corner-ic { border-radius: 5px !important; }
.corner-btn.active { border-color: var(--accent); color: var(--accent-2); }

.theme-item.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.theme-swatch {
  width: 34px; height: 26px; border-radius: 7px; flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.8rem; font-family: var(--display);
  border: 1px solid rgba(255,255,255,0.12);
}
.theme-item .ti-name { flex: 1; }
.theme-item .ti-check { color: var(--accent); opacity: 0; }
.theme-item.active .ti-check { opacity: 1; }
@media (max-width: 600px) {
  .theme-menu { width: 86vw; }
}

:root[data-corners="sharp"] {
  --radius: 0px; --radius-lg: 0px;
}
:root[data-corners="sharp"] body *,
:root[data-corners="sharp"] *::before,
:root[data-corners="sharp"] *::after {
  border-radius: 0 !important;
}
.theme-group-title {
  padding: 8px 12px 4px; font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.07em; color: var(--muted);
}
.theme-group-title:not(:first-of-type) { border-top: 1px solid var(--border); margin-top: 6px; }

.theme-menu .theme-group-title { grid-column: 1 / -1; width: 100%; }