/* tokens.css — извлечено из index.html без изменений (рефакторинг: распил монолита). */
/* Design tokens */
:root {
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular,
    "SF Mono", Menlo, Consolas, monospace;

  /* Strict typography scale: section titles, list names, body text */
  --fs-section: 1.25rem;   /* 20px */
  --fs-list: 1rem;         /* 16px */
  --fs-body: 0.875rem;     /* 14px */

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  /* Layered shadow system — softer, more refined */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04),
    0 1px 1px rgba(15, 23, 42, 0.03);
  --shadow-md: 0 4px 8px -2px rgba(15, 23, 42, 0.06),
    0 2px 4px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.08),
    0 4px 8px -2px rgba(15, 23, 42, 0.05);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-fast: cubic-bezier(0.4, 0, 0.2, 1);

  --bg-primary: #eef1f6;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f3f5fa;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --shadow-color: rgba(15, 23, 42, 0.08);
  --accent-color: #4f46e5;
  --accent-hover: #4338ca;
  --accent-glow: rgba(79, 70, 229, 0.18);
  --drag-over-bg: #eef2ff;
  --sidebar-bg: #ffffff;
  --sidebar-active: #eef2ff;

  /* Ambient blobs on body background */
  --blob-1: rgba(79, 70, 229, 0.08);
  --blob-2: rgba(236, 72, 153, 0.06);
}

/* Gray Theme */
[data-theme="gray"] {
  --bg-primary: #1f2937;
  --bg-secondary: #2d3748;
  --bg-tertiary: #3f4a5d;
  --text-primary: #f8fafc;
  --text-secondary: #e2e8f0;
  --text-muted: #cbd5e1;
  --border-color: rgba(255, 255, 255, 0.08);
  --shadow-color: rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 8px -2px rgba(0, 0, 0, 0.35),
    0 2px 4px -1px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.45),
    0 4px 8px -2px rgba(0, 0, 0, 0.30);
  --accent-color: #818cf8;
  --accent-hover: #a5b4fc;
  --accent-glow: rgba(129, 140, 248, 0.22);
  --drag-over-bg: #3a4659;
  --sidebar-bg: #2d3748;
  --sidebar-active: #3f4a5d;
  --blob-1: rgba(129, 140, 248, 0.10);
  --blob-2: rgba(236, 72, 153, 0.06);
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0b1020;
  --bg-secondary: #131a2e;
  --bg-tertiary: #1d2540;
  --text-primary: #f8fafc;
  --text-secondary: #e2e8f0;
  --text-muted: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.06);
  --shadow-color: rgba(0, 0, 0, 0.65);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.55),
    0 2px 4px -1px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 32px -6px rgba(0, 0, 0, 0.65),
    0 6px 12px -3px rgba(0, 0, 0, 0.40);
  --accent-color: #818cf8;
  --accent-hover: #a5b4fc;
  --accent-glow: rgba(129, 140, 248, 0.28);
  --drag-over-bg: #1d2540;
  --sidebar-bg: #131a2e;
  --sidebar-active: #1d2540;
  --blob-1: rgba(129, 140, 248, 0.13);
  --blob-2: rgba(236, 72, 153, 0.08);
}

/* Mocha Theme — warm neutral with terracotta accent */
[data-theme="mocha"] {
  --bg-primary: #efe7d8;
  --bg-secondary: #fbf6ec;
  --bg-tertiary: #e7dccb;
  --text-primary: #2e2418;
  --text-secondary: #4f3f2a;
  --text-muted: #806a4d;
  --border-color: #d8c8b0;
  --shadow-color: rgba(60, 40, 20, 0.12);
  --accent-color: #b65b2f;
  --accent-hover: #944424;
  --accent-glow: rgba(182, 91, 47, 0.22);
  --drag-over-bg: #f4ecdc;
  --sidebar-bg: #fbf6ec;
  --sidebar-active: #f0e5d2;
  --blob-1: rgba(182, 91, 47, 0.10);
  --blob-2: rgba(217, 156, 91, 0.10);
}

/* Apply theme colors */
html, body {
  height: 100%;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-feature-settings: "cv11", "ss01", "ss02";
  background-image:
    radial-gradient(at 18% -5%, var(--blob-1), transparent 55%),
    radial-gradient(at 88% 105%, var(--blob-2), transparent 55%);
  background-attachment: fixed;
  background-repeat: no-repeat;
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: none;
}
button, [role="button"], select, input[type="checkbox"], input[type="radio"] {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

/* Unified typography */
body, input, textarea, select, button {
  font-size: var(--fs-body);
  font-family: var(--font-sans);
}
.fs-section { font-size: var(--fs-section) !important; line-height: 1.3; letter-spacing: -0.01em; }
.fs-list    { font-size: var(--fs-list)    !important; line-height: 1.4; }
.fs-body    { font-size: var(--fs-body)    !important; line-height: 1.45; }
.mono {
  font-family: var(--font-mono);
  font-feature-settings: "tnum", "zero", "ss02";
  letter-spacing: -0.01em;
}

.theme-card {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
  box-shadow: var(--shadow-md);
}

.theme-input {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-primary);
  transition: border-color 0.18s var(--ease-fast),
    box-shadow 0.18s var(--ease-fast);
}
.theme-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.theme-input::placeholder {
  color: var(--text-muted);
}

.theme-text {
  color: var(--text-primary);
}

.theme-text-secondary {
  color: var(--text-secondary);
}

.theme-text-muted {
  color: var(--text-muted);
}

.theme-bg-tertiary {
  background-color: var(--bg-tertiary);
}

.theme-border {
  border-color: var(--border-color);
}