/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent: #7c3aed;
  --accent-light: #ede9fe;
  --bg: #ffffff;
  --surface: #f8f7ff;
  --text: #1a1a2e;
  --muted: #6b7280;
  --border: #e5e7eb;
  --radius: 8px;
  --max-w: 760px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

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

/* Layout */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.25rem; }
.main { padding: 2.5rem 0 4rem; }

/* Nav */
.site-nav {
  border-bottom: 1px solid var(--border);
  padding: .75rem 0;
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(6px);
  z-index: 100;
}
.site-nav .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.site-nav__logo { font-weight: 700; color: var(--text); }
.site-nav__links { list-style: none; display: flex; gap: 1.5rem; align-items: center; }
.site-nav__links a { color: var(--muted); font-size: .9rem; }
.site-nav__links a:hover { color: var(--accent); text-decoration: none; }
.btn-rss {
  background: var(--accent-light);
  color: var(--accent) !important;
  padding: .3rem .75rem;
  border-radius: var(--radius);
  font-size: .85rem;
  font-weight: 600;
}

/* Header */
.site-header {
  background: linear-gradient(135deg, #4c1d95 0%, #7c3aed 100%);
  color: #fff;
  padding: 3rem 0;
}
.site-header .container { display: flex; gap: 2rem; align-items: center; flex-wrap: wrap; }
.site-header__cover {
  width: 160px;
  height: 160px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 8px 32px rgba(0, 0, 0, .35);
}
.site-header__text h1 { font-size: 1.75rem; line-height: 1.2; margin-bottom: .5rem; }
.site-header__text p { opacity: .85; margin-bottom: 1.25rem; max-width: 480px; }
.site-header__actions { display: flex; gap: .75rem; flex-wrap: wrap; }
.btn {
  display: inline-block;
  background: #fff;
  color: var(--accent);
  padding: .5rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .9rem;
  transition: opacity .15s;
}
.btn:hover { opacity: .9; text-decoration: none; }

/* Section label */
.section-label {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

/* Episode card */
.episode-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  background: var(--surface);
  transition: box-shadow .2s;
}
.episode-card:hover { box-shadow: 0 4px 16px rgba(124, 58, 237, .1); }
.episode-card__meta {
  display: flex;
  gap: .75rem;
  align-items: center;
  margin-bottom: .5rem;
  flex-wrap: wrap;
}
.episode-card__meta time,
.episode-card__meta span { font-size: .8rem; color: var(--muted); }
.episode-card__number {
  background: var(--accent-light);
  color: var(--accent);
  padding: .15rem .5rem;
  border-radius: 4px;
  font-weight: 600;
}
.episode-card__duration { font-weight: 500; }
.episode-card__title { font-size: 1.1rem; margin-bottom: .5rem; line-height: 1.4; }
.episode-card__title a { color: var(--text); }
.episode-card__title a:hover { color: var(--accent); text-decoration: none; }
.episode-card__desc { color: var(--muted); font-size: .9rem; line-height: 1.6; }

/* Audio player */
.audio-player { margin-top: 1rem; display: flex; align-items: center; gap: .75rem; }
.audio-player audio { flex: 1; min-width: 0; height: 40px; accent-color: var(--accent); }
.audio-player__duration { font-size: .8rem; color: var(--muted); white-space: nowrap; }

/* Empty state */
.empty-state { color: var(--muted); padding: 2rem 0; }

/* Episode detail */
.episode__header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.episode__meta {
  display: flex;
  gap: .75rem;
  align-items: center;
  margin-bottom: .75rem;
  font-size: .85rem;
  color: var(--muted);
  flex-wrap: wrap;
}
.episode__header h1 { font-size: 2rem; line-height: 1.25; margin-bottom: .5rem; }
.episode__subtitle { color: var(--muted); font-size: 1.05rem; }
.episode__content { margin-top: 2rem; }
.episode__content p { margin-bottom: 1rem; }
.episode__content h2,
.episode__content h3 { margin: 2rem 0 .75rem; }
.episode__content ul,
.episode__content ol { padding-left: 1.5rem; margin-bottom: 1rem; }

/* Episode nav */
.episode-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  gap: 1rem;
}
.episode-nav a { font-size: .9rem; color: var(--muted); }
.episode-nav a:hover { color: var(--accent); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  margin-top: 2rem;
}
.site-footer p { font-size: .85rem; color: var(--muted); text-align: center; }
.site-footer a { color: var(--muted); }

/* Responsive */
@media (max-width: 600px) {
  .site-header { padding: 2rem 0; }
  .site-header__cover { width: 100px; height: 100px; }
  .site-header__text h1 { font-size: 1.4rem; }
  .episode__header h1 { font-size: 1.5rem; }
  .audio-player { flex-direction: column; align-items: stretch; }
  .audio-player audio { width: 100%; }
  .site-nav__links { gap: 1rem; }
}