:root {
  --bg: #07090f;
  --bg-elev: #0e121c;
  --card: #121826;
  --line: rgba(120, 200, 255, 0.14);
  --text: #e8eef8;
  --muted: #8b97ad;
  --cyan: #3de7ff;
  --violet: #a78bfa;
  --amber: #ffb020;
  --radius: 18px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
  font-family: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100%;
  -webkit-tap-highlight-color: transparent;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 40% at 50% -10%, rgba(61, 231, 255, 0.16), transparent 55%),
    radial-gradient(ellipse 60% 35% at 100% 20%, rgba(167, 139, 250, 0.12), transparent 50%),
    radial-gradient(ellipse 50% 30% at 0% 60%, rgba(255, 176, 32, 0.06), transparent 50%);
  z-index: 0;
}

.top, .feed, .foot { position: relative; z-index: 1; }

.top {
  padding: calc(20px + var(--safe-t)) 20px 8px;
  max-width: 560px;
  margin: 0 auto;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.25rem;
  color: #041018;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  box-shadow: 0 0 24px rgba(61, 231, 255, 0.35);
}

.top h1 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  font-weight: 800;
}

.tagline {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.meta-line {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.feed {
  max-width: 560px;
  margin: 0 auto;
  padding: 12px 16px 28px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.card {
  position: relative;
  background: linear-gradient(180deg, rgba(24, 32, 48, 0.95), rgba(12, 16, 26, 0.98));
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

.badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  color: #061018;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 5px 10px;
  border-radius: 999px;
}

.cover-btn {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  position: relative;
  cursor: pointer;
}

.cover {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
}

.play-orb {
  position: absolute;
  right: 16px;
  bottom: 16px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(7, 9, 15, 0.72);
  border: 1px solid rgba(61, 231, 255, 0.55);
  color: var(--cyan);
  font-size: 1.1rem;
  backdrop-filter: blur(8px);
  box-shadow: 0 0 20px rgba(61, 231, 255, 0.35);
  transition: transform 0.15s ease, background 0.15s ease;
}

.cover-btn:active .play-orb { transform: scale(0.94); }

.card-body { padding: 16px 16px 18px; }

.ep-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  margin-bottom: 8px;
  font-size: 0.78rem;
  color: var(--muted);
}

.ep-num {
  color: var(--cyan);
  font-weight: 800;
  letter-spacing: 0.06em;
}

.card-body h2 {
  margin: 0 0 8px;
  font-size: 1.15rem;
  line-height: 1.35;
  font-weight: 800;
}

.blurb {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

audio {
  width: 100%;
  height: 40px;
  border-radius: 10px;
  outline: none;
}

.foot {
  max-width: 560px;
  margin: 0 auto;
  padding: 8px 20px calc(28px + var(--safe-b));
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted);
}

.foot .muted { opacity: 0.7; margin-top: 4px; }

@media (min-width: 720px) {
  .top h1 { font-size: 1.55rem; }
  .card-body h2 { font-size: 1.25rem; }
}