/* Tokyo Signal — "Tokyo after dusk": deep indigo night, warm lantern light. */
:root {
  --night: #12152b;      /* page background */
  --dusk: #1b1f3b;       /* cards */
  --dusk-2: #252a4c;     /* raised / hover */
  --line: rgba(236, 228, 255, 0.09);
  --paper: #f5efe6;      /* main text, warm white */
  --mist: #aeabc6;       /* secondary text */
  --lantern: #ffa461;    /* accent */
  --signal: #6fe3c4;     /* live indicator */
  --c-japan: #8db4ff;
  --c-tokyo: #ffa461;
  --c-culture: #f39ac2;
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --body: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius: 14px;
  /* Layout: masthead → intro → filter chips → day groups (single-column story list) → teaser → footer */
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 500px at 85% -120px, rgba(255, 164, 97, 0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 0, rgba(141, 180, 255, 0.08), transparent 60%),
    var(--night);
  color: var(--paper);
  font: 400 16px/1.55 var(--body);
}
a { color: inherit; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--lantern); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(900px, 100% - 32px); margin-inline: auto; }

/* Masthead */
.masthead { border-bottom: 1px solid var(--line); background: rgba(18, 21, 43, 0.82); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 10; }
.masthead-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px 6px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font-size: 21px; letter-spacing: -0.01em; font-weight: 500; }
.logo b { font-weight: 700; color: var(--lantern); }
.logo-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 4px rgba(111, 227, 196, 0.15); }
.now { display: flex; gap: 12px; color: var(--mist); font-size: 14px; font-variant-numeric: tabular-nums; flex-wrap: wrap; justify-content: flex-end; }
.weather:empty { display: none; }
.weather::before { content: "·"; margin-right: 12px; }

.sections { display: flex; gap: 22px; padding-block: 6px 0; overflow-x: auto; }
.section { text-decoration: none; color: var(--mist); font-weight: 600; font-size: 15px; padding: 8px 0 10px; border-bottom: 2px solid transparent; white-space: nowrap; }
.section.is-active { color: var(--paper); border-color: var(--lantern); }
.section.is-soon { opacity: 0.6; cursor: default; }
.section small { font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; margin-left: 4px; color: var(--mist); }

/* Intro */
.intro { padding-block: 40px 18px; }
.intro h1 { font: 600 clamp(30px, 4.6vw, 48px)/1.1 var(--display); letter-spacing: -0.015em; margin: 0 0 12px; max-width: 18ch; text-wrap: balance; }
.intro-meta { margin: 0; color: var(--mist); display: flex; align-items: center; gap: 10px; font-size: 15px; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); animation: pulse 2.4s ease-out infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(111, 227, 196, 0.55); } 70% { box-shadow: 0 0 0 10px rgba(111, 227, 196, 0); } 100% { box-shadow: 0 0 0 0 rgba(111, 227, 196, 0); } }

/* Filters */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.chip { font: 600 14px var(--body); color: var(--paper); background: var(--dusk); border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; transition: background 0.15s, border-color 0.15s; }
.chip:hover { background: var(--dusk-2); }
.chip.is-on { background: var(--paper); color: var(--night); border-color: var(--paper); }
.swatch { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.c-japan { background: var(--c-japan); }
.c-tokyo { background: var(--c-tokyo); }
.c-culture { background: var(--c-culture); }

/* Feed */
.day { margin-top: 30px; }
.day-head { display: flex; align-items: baseline; gap: 12px; margin: 0 0 14px; font: 700 13px var(--body); text-transform: uppercase; letter-spacing: 0.09em; color: var(--mist); }
.day-head::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.day-head span { color: var(--paper); }

.list { display: flex; flex-direction: column; gap: 12px; }

.card { display: flex; align-items: stretch; background: var(--dusk); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-decoration: none; transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s; }
.card:hover { background: var(--dusk-2); transform: translateY(-2px); border-color: rgba(236, 228, 255, 0.16); }
.thumb { flex: 0 0 200px; min-height: 128px; background: var(--dusk-2); position: relative; overflow: hidden; }
.thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.thumb-fallback { position: absolute; inset: 0; display: grid; place-items: center; font: 600 28px var(--display); color: rgba(245, 239, 230, 0.9); }
.card-body { padding: 14px 18px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 0; }
.meta { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--mist); }
.meta .src { font-weight: 700; color: var(--paper); }
.meta .out { margin-left: auto; color: var(--lantern); font-weight: 700; opacity: 0; transition: opacity 0.18s; }
.card:hover .out, .card:focus-visible .out { opacity: 1; }
.card h3 { font: 600 19px/1.3 var(--display); margin: 0; letter-spacing: -0.005em; text-wrap: balance; }
.card p { margin: 0; color: var(--mist); font-size: 14.5px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.empty { color: var(--mist); padding: 40px 0; }

/* Coming soon */
.coming { margin: 56px 0 24px; padding: 26px 28px; border-radius: var(--radius); border: 1px dashed rgba(255, 164, 97, 0.35); background: linear-gradient(135deg, rgba(255, 164, 97, 0.08), rgba(141, 180, 255, 0.05)); display: flex; gap: 24px; justify-content: space-between; align-items: center; flex-wrap: wrap; }
.coming h2 { font: 600 22px var(--display); margin: 0 0 6px; }
.coming p { margin: 0; color: var(--mist); max-width: 60ch; }
.coming-list { list-style: none; margin: 0; padding: 0; display: flex; gap: 12px; flex-wrap: wrap; }
.coming-list li { background: var(--dusk); border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; display: flex; flex-direction: column; font-size: 14px; }
.coming-list span { color: var(--mist); font-size: 13px; }

/* Footer */
.footer { border-top: 1px solid var(--line); margin-top: 40px; padding-block: 26px 40px; color: var(--mist); font-size: 14px; }
.footer-row { display: flex; flex-direction: column; gap: 8px; }
.footer p { margin: 0; max-width: 75ch; }
.sources a { color: var(--paper); text-decoration-color: rgba(245, 239, 230, 0.3); }
.small { font-size: 13px; }

@media (max-width: 600px) {
  .thumb { flex-basis: 104px; min-height: 104px; }
  .card { align-items: stretch; }
  .card-body { padding: 12px 14px 14px; }
  .card h3 { font-size: 17px; }
  .card p { display: none; }
  .intro { padding-top: 28px; }
  .now { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  .live-dot { animation: none; }
  .card, .card:hover { transition: none; transform: none; }
}