frontend/src/index.css

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=Lora:ital,wght@0,400;0,600;1,400&family=JetBrains+Mono:wght@400;500;700&display=swap');

@import "tailwindcss";

/* ── Design Tokens — Investigative Newsroom Terminal ──────────── */
:root {
  /* Backgrounds — dark newsprint feel */
  --bg-base: #0d0d0d;
  --bg-surface: #141414;
  --bg-elevated: #1c1c1c;
  --bg-hover: #222222;

  /* Borders */
  --border: rgba(245, 240, 232, 0.07);
  --border-light: rgba(245, 240, 232, 0.14);

  /* Accent DNA — PH flag red + gold + cyan data */
  --accent-red: #dc2626;
  --accent-gold: #d97706;
  --accent-cyan: #06b6d4;
  --accent-green: #16a34a;

  /* Verdict palette */
  --credible: #16a34a;
  --unverified: #d97706;
  --fake: #dc2626;

  /* Typography — warm newsprint white */
  --text-primary: #f5f0e8;
  --text-secondary: #a89f94;
  --text-muted: #5c554e;

  /* Font families */
  --font-display: 'Syne', system-ui, sans-serif;
  --font-body: 'Lora', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

/* ── Dark mode meta (web-design-guidelines: color-scheme) ─────── */
html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

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

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  /* Halftone dot texture — atmospheric depth (frontend-design) */
  background-image: radial-gradient(circle, rgba(245, 240, 232, 0.025) 1px, transparent 1px);
  background-size: 24px 24px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  /* web-design-guidelines: text-wrap balance prevents widows */
  text-wrap: balance;
}

/* ── Scrollbar ───────────────────────────────────────── */
::-webkit-scrollbar {
  width: 5px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--bg-elevated);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-red);
}

/* ── Focus (web-design-guidelines: never outline-none without replacement) */
:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Textarea: use box-shadow ring for :focus-visible so keyboard users see focus;
   border-color animation still handled by onFocus/onBlur JS handlers */
.claim-textarea:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent-red);
}

/* ── Touch (web-design-guidelines) ───────────────────── */
button,
a,
[role="button"] {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* ── Typography helpers ──────────────────────────────── */
.font-display {
  font-family: var(--font-display);
}

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

/* web-design-guidelines: tabular-nums for data columns */
.tabular {
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
}

/* ── Verdict Badges — broadcast news aesthetic ─────── */
.badge-credible {
  background: rgba(22, 163, 74, 0.12);
  color: #4ade80;
  border: 1px solid rgba(22, 163, 74, 0.3);
}

.badge-unverified {
  background: rgba(217, 119, 6, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(217, 119, 6, 0.3);
}

.badge-fake {
  background: rgba(220, 38, 38, 0.12);
  color: #f87171;
  border: 1px solid rgba(220, 38, 38, 0.35);
}

/* ── Cards ───────────────────────────────────────────── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  /* Sharp corners — editorial, not bubbly */
  transition: border-color 0.2s;
}

.card:hover {
  border-color: var(--border-light);
}

.card-elevated {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
}

/* ── Left-rule accent divider ────────────────────────── */
.ruled {
  border-left: 3px solid var(--accent-red);
  padding-left: 16px;
}

/* ── Nav link hover ──────────────────────────────────────── */
a.nav-link-item {
  text-decoration: none;
  display: block;
}

a.nav-link-item:hover > div {
  color: var(--text-primary) !important;
}

/* ── Animations (frontend-design: one orchestrated reveal) ─── */
/* web-design-guidelines: honor prefers-reduced-motion */
@media (prefers-reduced-motion: no-preference) {
  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(14px);
    }

    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes barGrow {
    from {
      width: 0;
    }
  }

  @keyframes scanline {
    from {
      top: -8px;
    }

    to {
      top: 100%;
    }
  }

  .fade-up {
    animation: fadeUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }

  .fade-up-1 {
    animation: fadeUp 0.5s 0.05s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .fade-up-2 {
    animation: fadeUp 0.5s 0.1s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .fade-up-3 {
    animation: fadeUp 0.5s 0.15s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .fade-up-4 {
    animation: fadeUp 0.5s 0.2s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .fade-up-5 {
    animation: fadeUp 0.5s 0.25s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .bar-fill {
    animation: barGrow 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }

  @keyframes shimmer {
    0% {
      transform: translateX(-100%);
    }

    100% {
      transform: translateX(100%);
    }
  }
}

/* Fallback: no animation for reduced-motion users */
@media (prefers-reduced-motion: reduce) {

  .fade-up,
  .fade-up-1,
  .fade-up-2,
  .fade-up-3,
  .fade-up-4,
  .fade-up-5 {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .bar-fill {
    animation: none;
  }
}

/* ── Gauge ─────────────────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  @keyframes gaugeFill {
    from {
      stroke-dashoffset: 400;
    }
  }

  .gauge-arc {
    animation: gaugeFill 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }
}

/* ── Verdict breaking-news banner ──────────────────────── */
.verdict-banner {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 2px;
}

.verdict-banner-credible {
  background: var(--credible);
  color: #fff;
}

.verdict-banner-unverified {
  background: var(--unverified);
  color: #fff;
}

.verdict-banner-fake {
  background: var(--fake);
  color: #fff;
}