/* ChiLink Hub — Design System
   Tokens, base, typography. Per spec §3.
---------------------------------------------------- */

/* ---------- Theme tokens ---------- */

:root[data-theme="dark"] {
  --bg-canvas: #0F0F0E;
  --bg-surface: #1A1A19;
  --bg-surface-raised: #242322;
  --bg-surface-hover: rgba(255,255,255,0.04);

  --text-primary: #E8E4DB;
  --text-secondary: rgba(232,228,219,0.65);
  --text-tertiary: rgba(232,228,219,0.45);
  --text-muted: rgba(232,228,219,0.35);
  --text-inverse: #0F0F0E;

  --accent: #C8A667;
  --accent-hover: #D4B377;
  --accent-bg: rgba(200,166,103,0.1);
  --accent-border: rgba(200,166,103,0.3);

  --status-success: #A8C68E;
  --status-success-bg: rgba(168,198,142,0.12);
  --status-warning: #D4B377;
  --status-warning-bg: rgba(212,179,119,0.12);
  --status-danger: #D87A5A;
  --status-danger-bg: rgba(216,122,90,0.15);
  --status-info: rgba(232,228,219,0.75);
  --status-info-bg: rgba(232,228,219,0.08);

  --border-subtle: rgba(255,255,255,0.06);
  --border-default: rgba(255,255,255,0.12);
  --border-strong: rgba(255,255,255,0.2);

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.35);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.45);

  --chart-grid: rgba(255,255,255,0.06);
}

:root[data-theme="light"] {
  --bg-canvas: #FAF7F0;
  --bg-surface: #F5F2EC;
  --bg-surface-raised: #FFFFFF;
  --bg-surface-hover: rgba(0,0,0,0.03);

  --text-primary: #1A1A19;
  --text-secondary: rgba(26,26,25,0.65);
  --text-tertiary: rgba(26,26,25,0.5);
  --text-muted: rgba(26,26,25,0.4);
  --text-inverse: #FAF7F0;

  --accent: #8B6F2C;
  --accent-hover: #7A5F22;
  --accent-bg: rgba(139,111,44,0.08);
  --accent-border: rgba(139,111,44,0.25);

  --status-success: #466636;
  --status-success-bg: rgba(70,102,54,0.1);
  --status-warning: #8B6F2C;
  --status-warning-bg: rgba(139,111,44,0.12);
  --status-danger: #A94A2C;
  --status-danger-bg: rgba(169,74,44,0.1);
  --status-info: rgba(26,26,25,0.7);
  --status-info-bg: rgba(26,26,25,0.06);

  --border-subtle: rgba(26,26,25,0.08);
  --border-default: rgba(26,26,25,0.15);
  --border-strong: rgba(26,26,25,0.25);

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);

  --chart-grid: rgba(0,0,0,0.06);
}

/* Non-themed tokens */
:root {
  --font-serif: 'Tiempos Text', 'GT Sectra', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  --radius-sm: 3px;
  --radius-md: 4px;
  --radius-lg: 6px;

  --sidebar-width: 220px;
  --topbar-height: 52px;

  --transition-fast: 120ms ease;
  --transition-medium: 220ms ease;
}

/* ---------- Reset ---------- */

*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

html {
  -webkit-text-size-adjust: 100%;
  -moz-tab-size: 4;
  tab-size: 4;
}

body {
  background: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-medium), color var(--transition-medium);
}

img, svg { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--accent-hover); }

/* ---------- Typography ---------- */

h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 500; letter-spacing: -0.01em; }
h1 { font-family: var(--font-serif); font-size: 28px; font-weight: 400; line-height: 1.2; letter-spacing: -0.02em; }
h2 { font-size: 20px; }
h3 { font-size: 16px; }
h4 { font-size: 14px; }

.serif { font-family: var(--font-serif); font-weight: 400; }
.mono { font-family: var(--font-mono); }

.eyebrow {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.text-danger { color: var(--status-danger); }
.text-success { color: var(--status-success); }

.numeric {
  font-family: var(--font-serif);
  font-variant-numeric: tabular-nums;
}

.money {
  font-family: var(--font-serif);
  font-variant-numeric: tabular-nums;
}

.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }

/* ---------- Scrollbar ---------- */

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-default);
  border-radius: 10px;
  border: 2px solid var(--bg-canvas);
}
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* ---------- Selection ---------- */

::selection {
  background: var(--accent-bg);
  color: var(--text-primary);
}

/* ---------- Focus ---------- */

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}
button:focus-visible, a:focus-visible, input:focus-visible,
textarea:focus-visible, select:focus-visible {
  outline: none;
}