@import url("https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,opsz,wght@0,8..60,300;0,8..60,400;0,8..60,500;0,8..60,600;1,8..60,300;1,8..60,400&display=swap");

/*
 * Shared Arena War design system.
 *
 * The canonical surface is the reasoning-effort writeup: warm cream paper,
 * Source Serif 4, matte chart colors, thin rules, and quiet editorial cards.
 * Dashboard and sandbox consume these same tokens so every eval artifact reads
 * as one publishing system rather than a separate app shell.
 */

/* ─── Design Tokens (superset used by both pages) ─── */
:root {
  --color-cream: #f9f9f6;
  --color-warm-ink: #3b3b39;
  --color-warm-ink-strong: #090909;
  --color-code-chip: rgba(0, 0, 0, 0.05);
  --palette-rose: #b44d6d;
  --palette-rose-deep: #8c3652;
  --palette-ochre: #c49b2c;
  --palette-ochre-deep: #8f6f12;
  --palette-slate: #5a8fb0;
  --palette-purple: #9a7ab8;
  --palette-teal: #3f9a8f;
  --palette-muted: #6a6a6a;

  --bg-page: var(--color-cream);
  --bg-panel: rgba(0, 0, 0, 0.025);
  --bg-panel-hover: rgba(0, 0, 0, 0.045);
  --bg-elevated: rgba(0, 0, 0, 0.035);
  --bg-chip: rgba(0, 0, 0, 0.05);
  --bg-table-row: rgba(0, 0, 0, 0.018);
  --bg-table-row-alt: rgba(0, 0, 0, 0.03);
  --bg-input: rgba(255, 255, 255, 0.42);
  --bg-code: #111111;
  --text-primary: var(--color-warm-ink);
  --text-secondary: rgba(59, 59, 57, 0.68);
  --text-muted: rgba(59, 59, 57, 0.48);
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.16);
  --accent-orange: var(--palette-ochre);
  --accent-blue: var(--palette-slate);
  --accent-green: var(--palette-teal);
  --accent-purple: var(--palette-purple);
  --accent-yellow: var(--palette-ochre);
  --accent-red: var(--palette-rose);
  --accent-cyan: var(--palette-teal);
  --accent-indigo: var(--palette-purple);
  --shadow-sm: none;
  --shadow-md: none;
  --radius-sm: 0;
  --radius-md: 0;
  --radius-lg: 0;
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --font-serif: 'Source Serif 4', 'Source Serif Pro', 'Crimson Pro', Georgia, 'Times New Roman', serif;
  --font-display: var(--font-serif);
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
}

:root[data-theme="dark"],
:root[data-theme="light"] {
  color-scheme: light;
}

/* ─── Base resets ─── */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-serif);
  background: var(--bg-page);
  color: var(--text-primary);
  font-weight: 300;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition-base), color var(--transition-base);
}

#root {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 48px 96px;
}

/* ─── Page links (top nav) ─── */
.page-links {
  display: flex;
  gap: 12px;
  margin-bottom: 96px;
  margin-left: 160px;
  flex-wrap: wrap;
}

.page-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.page-links a:hover {
  color: var(--text-primary);
  border-bottom-color: var(--border-hover);
}

.page-links a.active {
  color: var(--text-primary);
  border-bottom-color: var(--text-primary);
}

/* ─── Theme toggle ─── */
.theme-toggle {
  display: none;
}

.theme-toggle:hover {
  background: var(--bg-panel-hover);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

/* ─── Panel title primitive (shared by both dashboards) ─── */
.panel-title {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 12px;
}