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

/* TLDR News — dark theme */
:root {
  --bg:         #0D1117;
  --surface:    #161B22;
  --surface-2:  #1C2128;
  --accent:     #58A6FF;
  --text:       #E6EDF3;
  --muted:      #8B949E;
  --border:     #30363D;
  --chip-text:  #0D1117;

  /* Category colours */
  --cat-world:      #58A6FF;
  --cat-technology: #3FB950;
  --cat-business:   #D2A8FF;
  --cat-politics:   #F0883E;
  --cat-science:    #79C0FF;
  --cat-health:     #FF7B72;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }

/* ── Header ───────────────────────────────────────────────────────────────── */

header {
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.5px;
}

header .tagline { color: var(--muted); font-size: 0.88rem; }

/* Home header */
.home-header {
  padding: 4.5rem 2rem 3.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
  display: block;
  background: linear-gradient(180deg, rgba(88, 166, 255, 0.06) 0%, transparent 100%);
}

.home-header .logo {
  font-size: 4.5rem;
  display: block;
  margin-bottom: 0.5rem;
  letter-spacing: -3px;
}

.home-header .tagline {
  font-size: 1.05rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
  display: block;
  font-weight: 400;
}

.home-header .follow { color: var(--muted); font-size: 0.88rem; }
.home-header .follow a { text-decoration: none; color: var(--accent); font-weight: 500; }
.home-header .follow a:hover { text-decoration: underline; }

/* ── Index ────────────────────────────────────────────────────────────────── */

.index { max-width: 1100px; margin: 0 auto; padding: 2.5rem 2rem; }

.section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

/* ── Hero card ────────────────────────────────────────────────────────────── */

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 2.5rem;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.hero:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-height: 260px;
}

.hero-img-placeholder {
  background: var(--surface-2);
  width: 100%;
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--border);
  font-size: 2rem;
  letter-spacing: -1px;
  font-weight: 800;
}

.hero-body {
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.9rem;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hero-body h2 {
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.3px;
}

.hero-meta {
  display: flex;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.hero-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
}

/* ── Grid ─────────────────────────────────────────────────────────────────── */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1rem;
}

.story-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s, transform 0.12s, box-shadow 0.15s;
}

.story-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.card-thumb {
  aspect-ratio: 16/9;
  object-fit: cover;
  width: 100%;
  display: block;
}

.card-thumb-placeholder {
  aspect-ratio: 16/9;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--border);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -1px;
}

.card-body {
  padding: 1rem 1.2rem 1.3rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.card-top {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
}

.story-card h2 {
  font-size: 0.93rem;
  line-height: 1.42;
  font-weight: 600;
  flex: 1;
}

.source { color: var(--muted); font-size: 0.76rem; }

/* ── Category chips ───────────────────────────────────────────────────────── */

.chip {
  display: inline-block;
  background: var(--cat-world);
  color: var(--chip-text);
  font-size: 0.62rem;
  font-weight: 700;
  padding: 0.17rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.7px;
  white-space: nowrap;
  text-transform: uppercase;
}

.chip.world      { background: var(--cat-world); }
.chip.technology { background: var(--cat-technology); }
.chip.business   { background: var(--cat-business); }
.chip.politics   { background: var(--cat-politics); }
.chip.science    { background: var(--cat-science); }
.chip.health     { background: var(--cat-health); }

/* ── Date ─────────────────────────────────────────────────────────────────── */

.date { color: var(--muted); font-size: 0.76rem; display: block; }

/* ── Story page ───────────────────────────────────────────────────────────── */

.story {
  max-width: 740px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.story h1 {
  font-size: 2.6rem;
  line-height: 1.15;
  margin-bottom: 0.75rem;
  letter-spacing: -0.6px;
  font-weight: 800;
}

.subheadline {
  color: var(--muted);
  font-size: 1.15rem;
  margin-bottom: 2.25rem;
  line-height: 1.55;
}

.card-image {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 2.25rem;
  border: 1px solid var(--border);
}

/* ── Fact list ────────────────────────────────────────────────────────────── */

.facts {
  list-style: none;
  margin: 2rem 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.facts li {
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 0.75rem;
  font-size: 0.97rem;
  line-height: 1.55;
}

.facts li:last-child { border-bottom: none; }

.facts li::before {
  content: "▸";
  color: var(--accent);
  flex-shrink: 0;
  font-weight: 700;
  margin-top: 2px;
}

/* ── Source link ──────────────────────────────────────────────────────────── */

.source-link {
  margin: 2rem 0;
  padding: 1.1rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.source-link a {
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
}

.source-link a:hover { text-decoration: underline; }

/* ── AdSense ──────────────────────────────────────────────────────────────── */

.adsbygoogle { margin: 2rem 0; }

/* ── Footer ───────────────────────────────────────────────────────────────── */

footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 4rem;
}

footer a { text-decoration: none; color: var(--muted); }
footer a:hover { text-decoration: underline; color: var(--accent); }

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; }
  .hero-img, .hero-img-placeholder { min-height: 200px; max-height: 240px; }
  .hero-body { padding: 1.5rem; }
  .hero-body h2 { font-size: 1.3rem; }
}

@media (max-width: 640px) {
  .story { padding: 1.5rem 1rem; }
  .story h1 { font-size: 1.9rem; }
  .grid { grid-template-columns: 1fr; }
  header { padding: 0.9rem 1rem; }
  .home-header { padding: 3rem 1rem 2.5rem; }
  .home-header .logo { font-size: 3.5rem; }
  .index { padding: 1.5rem 1rem; }
}