/* SpamInThai unified theme — cyber-shield brand */
:root {
  --brand-dark: #020b1a;
  --brand-cyan: #22d3ee;
  --brand-cyan-bright: #00e5ff;

  --color-primary: #f43f5e;
  --color-primary-hover: #e11d48;
  --color-secondary: #6366f1;
  --color-secondary-hover: #4f46e5;

  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-header: #0f172a;
  --color-footer: #0f172a;
  --color-line: #e2e8f0;
  --color-line-dark: #334155;

  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-text-on-dark: #f8fafc;
  --color-text-muted-dark: #94a3b8;

  --color-danger: #dc2626;
  --color-danger-bg: #fef2f2;
  --color-warn: #d97706;
  --color-warn-bg: #fffbeb;
  --color-safe: #059669;
  --color-safe-bg: #ecfdf5;

  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-pill: 9999px;
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 24px rgba(15, 23, 42, 0.08);

  --font-sans: 'IBM Plex Sans Thai', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, monospace;

  /* Legacy aliases used in page-specific CSS */
  --indigo: var(--color-secondary);
  --indigo-deep: var(--color-secondary-hover);
  --ink: var(--color-text);
  --muted: var(--color-text-muted);
  --bg: var(--color-bg);
  --line: var(--color-line);
  --card: var(--color-surface);
  --rose: var(--color-primary);
  --text: var(--color-text);
  --radius: var(--radius-md);
  --shadow: var(--shadow-md);
  --danger: var(--color-danger);
  --danger-bg: var(--color-danger-bg);
  --warn: var(--color-warn);
  --warn-bg: var(--color-warn-bg);
  --safe: var(--color-safe);
  --safe-bg: var(--color-safe-bg);
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  min-height: 100vh;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-up {
  animation: fadeUp 0.5s ease both;
}

@media (prefers-reduced-motion: reduce) {
  .fade-up {
    animation: none;
  }
}