/* ============================================================
   Radio Atlas — shared stylesheet
   Modern, responsive, static; per-page theme via body[data-page]
   ============================================================ */

:root {
  --radius: 14px;
  --radius-sm: 9px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia,
    "Times New Roman", serif;
  --player-h: 84px;
  --nav-h: 60px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  color: #1c1c1e;
  background: #f5f5f7;
  min-height: 100vh;
  padding-bottom: calc(var(--player-h) + 24px);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ---------- Navigation ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.07);
}

.nav-brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  margin-right: 8px;
}

.nav-links { display: flex; gap: 2px; margin-left: auto; }

.nav-links a {
  padding: 7px 13px;
  border-radius: 999px;
  font-size: 0.9rem;
  color: #3a3a3c;
  transition: background 0.18s ease, color 0.18s ease;
}
.nav-links a:hover { background: rgba(0, 0, 0, 0.06); }
.nav-links a.active { background: rgba(0, 0, 0, 0.9); color: #fff; }

.lang-wrap { margin-left: 10px; }

.lang-wrap select {
  appearance: none;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.85rem;
  background: #fff;
  color: #1c1c1e;
  cursor: pointer;
}

/* ---------- Layout helpers ---------- */
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

.hero {
  text-align: center;
  padding: 56px 20px 34px;
}
.hero h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); margin: 0 0 8px; letter-spacing: -0.02em; }
.hero p { font-size: 1.05rem; color: #666; margin: 0; }

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 16px 0 6px;
  padding: 8px 15px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.14);
  background: rgba(255, 255, 255, 0.7);
  font-size: 0.88rem;
  color: #333;
  transition: transform 0.15s ease, background 0.15s ease;
}
.back-btn:hover { background: #fff; transform: translateX(-2px); }

/* ---------- Station grid & cards ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
  margin: 18px 0 30px;
}

.card {
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
  position: relative;
  overflow: hidden;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12); }
.card .c-name { font-weight: 600; font-size: 0.98rem; line-height: 1.3; }
.card .c-meta { font-size: 0.78rem; opacity: 0.65; margin-top: 6px; }
.card .c-play {
  position: absolute;
  top: 12px; right: 12px;
  width: 34px; height: 34px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(0, 0, 0, 0.16);
  transition: background 0.15s ease, transform 0.15s ease;
}
.card:hover .c-play { transform: scale(1.08); }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 30px 0 6px;
}
.section-head h2 { margin: 0; font-size: 1.4rem; }
.section-head .count { font-size: 0.85rem; opacity: 0.6; }

/* ---------- Filter / region controls ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}
.filter-bar button {
  border: 1px solid rgba(0, 0, 0, 0.14);
  background: #fff;
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.88rem;
  cursor: pointer;
  color: #333;
  transition: all 0.15s ease;
}
.filter-bar button:hover { border-color: rgba(0, 0, 0, 0.3); }
.filter-bar button.active {
  background: #1c1c1e;
  color: #fff;
  border-color: #1c1c1e;
}

/* ---------- Footer ---------- */
.site-footer {
  max-width: 1080px;
  margin: 30px auto 0;
  padding: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: #888;
}
.visitor-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  margin-bottom: 14px;
  font-size: 0.82rem;
  color: #555;
}
.visitor-badge b { font-weight: 700; }

/* ---------- Persistent audio player ---------- */
.audio-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: var(--player-h);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 18px;
  background: rgba(22, 22, 24, 0.92);
  backdrop-filter: saturate(180%) blur(22px);
  -webkit-backdrop-filter: saturate(180%) blur(22px);
  color: #fff;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.audio-bar .np { min-width: 0; flex: 0 1 260px; }
.audio-bar .np .np-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.55; }
.audio-bar .np .np-name { font-size: 0.95rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.audio-bar .np .np-name.empty { opacity: 0.5; font-weight: 400; }

.audio-bar .controls { display: flex; align-items: center; gap: 10px; }
.audio-bar .btn {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 1rem;
  transition: background 0.15s ease, transform 0.12s ease;
}
.audio-bar .btn:hover { background: rgba(255, 255, 255, 0.24); }
.audio-bar .btn:active { transform: scale(0.94); }
.audio-bar .btn.playing { background: #fff; color: #161618; }

.audio-bar .status { font-size: 0.78rem; opacity: 0.6; flex: 0 0 auto; }

.audio-bar .vol { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.audio-bar .vol input[type="range"] { width: 90px; accent-color: #fff; }

.spin {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   THEME PERSONALITIES
   ============================================================ */

/* --- Home: minimalist, modern --- */
body[data-page="home"] {
  background: #fafafa;
}
body[data-page="home"] .hero h1 { font-weight: 800; }
.portal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin: 20px 0 40px;
}
.portal {
  border-radius: 20px;
  padding: 34px 28px;
  color: #fff;
  position: relative;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.portal:hover { transform: translateY(-6px); box-shadow: 0 26px 54px rgba(0, 0, 0, 0.26); }
.portal h2 { margin: 0 0 6px; font-size: 1.7rem; letter-spacing: -0.01em; }
.portal p { margin: 0 0 18px; font-size: 0.92rem; opacity: 0.85; line-height: 1.45; }
.portal .go {
  align-self: flex-start;
  padding: 9px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.4);
  font-size: 0.88rem;
  font-weight: 600;
}
.portal.classical { background: linear-gradient(135deg, #3d2c1e, #6b4f2a); }
.portal.jazz { background: linear-gradient(135deg, #1b1b2f, #4a2545); }
.portal.vibes { background: linear-gradient(135deg, #0f2027, #2c5364); }

/* --- Classical: elegant, vintage, low-saturation --- */
body[data-page="classical"] {
  background: #efe7d7;
  color: #2f2417;
  font-family: var(--font-serif);
}
body[data-page="classical"] .site-nav,
body[data-page="classical"] .audio-bar { background: rgba(47, 36, 23, 0.94); color: #f4ead4; }
body[data-page="classical"] .site-nav a { color: #e6d7b8; }
body[data-page="classical"] .site-nav a.active { background: #c8a55a; color: #2f2417; }
body[data-page="classical"] .lang-wrap select { background: #f4ead4; color: #2f2417; }
body[data-page="classical"] .hero h1 { color: #3a2c18; }
body[data-page="classical"] .hero p { color: #6c5c42; }
body[data-page="classical"] .card {
  background: #faf5e8;
  border: 1px solid #d9c9a3;
  color: #3a2c18;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}
body[data-page="classical"] .card:hover { box-shadow: 0 14px 30px rgba(74, 54, 26, 0.18); }
body[data-page="classical"] .card .c-play { background: rgba(122, 90, 38, 0.16); }
body[data-page="classical"] .filter-bar button { background: #faf5e8; border-color: #d9c9a3; color: #3a2c18; }
body[data-page="classical"] .filter-bar button.active { background: #6b4f2a; border-color: #6b4f2a; color: #f4ead4; }
body[data-page="classical"] .section-head h2 { color: #3a2c18; }

/* --- Jazz: relaxed lounge, dark + neon/warm accents --- */
body[data-page="jazz"] {
  background: #16121c;
  color: #ede7f2;
}
body[data-page="jazz"] .site-nav,
body[data-page="jazz"] .audio-bar { background: rgba(22, 18, 28, 0.94); }
body[data-page="jazz"] .site-nav a { color: #cfc2dc; }
body[data-page="jazz"] .site-nav a.active { background: #7a2b4a; color: #fff; }
body[data-page="jazz"] .lang-wrap select { background: #241c2f; color: #ede7f2; border-color: #4a3a5a; }
body[data-page="jazz"] .hero h1 { color: #f3e9f8; }
body[data-page="jazz"] .hero p { color: #9d8fb0; }
body[data-page="jazz"] .card {
  background: linear-gradient(160deg, #231a2e, #2a1d33);
  border: 1px solid #3d2f4d;
  color: #f0e8f6;
}
body[data-page="jazz"] .card:hover { box-shadow: 0 14px 34px rgba(122, 43, 74, 0.4); border-color: #7a2b4a; }
body[data-page="jazz"] .card .c-play { background: rgba(122, 43, 74, 0.5); }
body[data-page="jazz"] .filter-bar button { background: #241c2f; border-color: #4a3a5a; color: #cfc2dc; }
body[data-page="jazz"] .filter-bar button.active { background: #7a2b4a; border-color: #7a2b4a; color: #fff; }
body[data-page="jazz"] .section-head h2 { color: #f3e9f8; }

/* --- Vibes: lively, modular grid, per-scenario gradients --- */
body[data-page="vibes"] { background: #0e1116; color: #e8ecf1; }
body[data-page="vibes"] .site-nav,
body[data-page="vibes"] .audio-bar { background: rgba(14, 17, 22, 0.94); }
body[data-page="vibes"] .site-nav a { color: #b9c4d4; }
body[data-page="vibes"] .site-nav a.active { background: #2c5364; color: #fff; }
body[data-page="vibes"] .lang-wrap select { background: #161c24; color: #e8ecf1; border-color: #2b3948; }
body[data-page="vibes"] .hero h1 { color: #f2f6fa; }
body[data-page="vibes"] .hero p { color: #8fa0b3; }

/* per-scenario gradient personalities (applied via data-scenario) */
.card[data-scenario="Study / Focus"] { background: linear-gradient(135deg, #1f2a3a, #2c3e50); }
.card[data-scenario="Running / Workout"] { background: linear-gradient(135deg, #3a1f2a, #5c2a3a); }
.card[data-scenario="Meditation / Relax"] { background: linear-gradient(135deg, #1e3a34, #2f5c50); }
.card[data-scenario="Party / Upbeat"] { background: linear-gradient(135deg, #3a2a1f, #7a4a2b); }
.card[data-scenario="Roadtrip / Driving"] { background: linear-gradient(135deg, #1f2a3a, #3a4a7a); }
.card[data-scenario="General Vibes"] { background: linear-gradient(135deg, #24262e, #3a3d4a); }
body[data-page="vibes"] .card { color: #fff; border: none; }
body[data-page="vibes"] .card .c-meta { opacity: 0.7; }
body[data-page="vibes"] .card .c-play { background: rgba(255, 255, 255, 0.2); }
body[data-page="vibes"] .filter-bar button { background: #161c24; border-color: #2b3948; color: #b9c4d4; }
body[data-page="vibes"] .filter-bar button.active { background: #2c5364; border-color: #2c5364; color: #fff; }
body[data-page="vibes"] .section-head h2 { color: #f2f6fa; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .audio-bar { gap: 10px; padding: 0 12px; }
  .audio-bar .np { flex: 0 1 140px; }
  .audio-bar .vol { display: none; }
  .nav-brand { font-size: 0.95rem; }
  .nav-links a { padding: 6px 10px; font-size: 0.82rem; }
  .grid { grid-template-columns: 1fr; }
  .hero { padding: 40px 16px 24px; }
}