/* ============================================================
   The Strategist's Playbook — Midnight Command Center
   Design tokens
   ============================================================ */

/* ===== Theme: DARK (Midnight Strategy) — default ===== */
:root,
:root[data-theme='dark'] {
  --bg: #0b1220;
  --surface: #111a2e;
  --surface-2: #152238;
  --offset: #1a2740;
  --offset-2: #223053;
  --divider: #25334f;
  --border: #2d3b5a;
  --text: #e6ecf5;
  --muted: #93a4bf;
  --faint: #5b6b86;
  --inverse: #0b1220;

  --primary: #f59e0b;
  --primary-hover: #fbbf24;
  --primary-highlight: #2a2312;
  --primary-soft: rgba(245, 158, 11, 0.12);
  --primary-soft-hover: rgba(245, 158, 11, 0.22);

  --success: #10b981;
  --success-soft: rgba(16, 185, 129, 0.12);
  --warning: #f59e0b;
  --danger: #ef4444;
  --danger-soft: rgba(239, 68, 68, 0.12);
  --info: #3b82f6;
  --info-soft: rgba(59, 130, 246, 0.12);

  --overlay-bg: rgba(5, 9, 18, 0.72);

  --bg-image:
    radial-gradient(at 10% 0%, rgba(245, 158, 11, 0.06) 0, transparent 45%),
    radial-gradient(at 95% 95%, rgba(59, 130, 246, 0.05) 0, transparent 50%);

  /* ---------- Radius ---------- */
  --r-xs: 0.25rem;
  --r-sm: 0.375rem;
  --r-md: 0.5rem;
  --r-lg: 0.875rem;
  --r-xl: 1.25rem;
  --r-full: 9999px;

  /* ---------- Spacing ---------- */
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.25rem;
  --s-6: 1.5rem;
  --s-8: 2rem;
  --s-10: 2.5rem;
  --s-12: 3rem;
  --s-16: 4rem;
  --s-20: 5rem;
  --s-24: 6rem;

  /* ---------- Type ---------- */
  --font-serif: 'Fraunces', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --text-xs: 0.72rem;
  --text-sm: 0.85rem;
  --text-base: 0.94rem;
  --text-md: 1.02rem;
  --text-lg: 1.15rem;
  --text-xl: 1.4rem;
  --text-2xl: 1.8rem;
  --text-3xl: 2.4rem;
  --text-4xl: 3.4rem;

  /* ---------- Shadows ---------- */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 18px 40px rgba(0, 0, 0, 0.55);
  --shadow-xl: 0 30px 80px rgba(0, 0, 0, 0.65);

  /* ---------- Z ---------- */
  --z-sticky: 10;
  --z-overlay: 50;
  --z-modal: 100;
  --z-toast: 200;
}

/* ===== Theme: LIGHT (Clean Consulting — warm cream + deep teal) ===== */
:root[data-theme='light'] {
  --bg: #f5efe1;
  --surface: #faf5e9;
  --surface-2: #fdfaf0;
  --offset: #ede6d4;
  --offset-2: #e3dcc8;
  --divider: #d9d1bb;
  --border: #c7bfa8;
  --text: #1e201c;
  --muted: #6b6a61;
  --faint: #a19e90;
  --inverse: #faf5e9;

  --primary: #1a3d3a;
  --primary-hover: #0f2b29;
  --primary-highlight: #d9e3e0;
  --primary-soft: rgba(26, 61, 58, 0.08);
  --primary-soft-hover: rgba(26, 61, 58, 0.16);

  --success: #3f7d48;
  --success-soft: rgba(63, 125, 72, 0.10);
  --warning: #b8651d;
  --danger: #a83232;
  --danger-soft: rgba(168, 50, 50, 0.10);
  --info: #2c5f8d;
  --info-soft: rgba(44, 95, 141, 0.10);

  --shadow-sm: 0 1px 2px rgba(40, 34, 20, 0.06);
  --shadow-md: 0 4px 14px rgba(40, 34, 20, 0.08);
  --shadow-lg: 0 18px 40px rgba(40, 34, 20, 0.12);
  --shadow-xl: 0 30px 80px rgba(40, 34, 20, 0.16);

  --overlay-bg: rgba(30, 32, 28, 0.45);

  --bg-image:
    radial-gradient(at 8% 0%, rgba(26, 61, 58, 0.05) 0, transparent 50%),
    radial-gradient(at 96% 95%, rgba(184, 101, 29, 0.04) 0, transparent 55%);
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scrollbar-color: var(--divider) var(--bg);
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  background-image: var(--bg-image);
  background-attachment: fixed;
  min-height: 100dvh;
  transition: background-color 240ms ease, color 240ms ease;
}

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

button {
  cursor: pointer;
  background: none;
  border: none;
  font: inherit;
  color: inherit;
}

input,
textarea,
select {
  font: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}

ul, ol { list-style: none; }

code, kbd, samp, pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

::selection {
  background: var(--primary-soft-hover);
  color: var(--text);
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* ---------- Utility ---------- */
.mono { font-family: var(--font-mono); }
.serif { font-family: var(--font-serif); }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.primary-color { color: var(--primary); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: var(--r-full);
  background: var(--surface-2);
  color: var(--muted);
  border: 1px solid var(--divider);
  white-space: nowrap;
}

.badge.primary {
  background: var(--primary-soft);
  color: var(--primary-hover);
  border-color: var(--primary-soft-hover);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-2) var(--s-4);
  border-radius: var(--r-sm);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all 150ms ease;
  white-space: nowrap;
}

.btn:hover {
  background: var(--offset);
  border-color: var(--faint);
}

.btn.primary {
  background: var(--primary);
  color: var(--inverse);
  border-color: var(--primary);
  font-weight: 600;
}

.btn.primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
}

.btn.ghost:hover {
  background: var(--surface-2);
  color: var(--text);
}

.btn.sm {
  padding: var(--s-1) var(--s-3);
  font-size: var(--text-xs);
}

kbd.key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-xs);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--muted);
  box-shadow: 0 1px 0 var(--border);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.divider-line {
  height: 1px;
  background: var(--divider);
}

/* ---------- Scrollbar ---------- */
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--offset);
  border-radius: 10px;
  border: 2px solid var(--bg);
}
*::-webkit-scrollbar-thumb:hover { background: var(--offset-2); }