/* ===== COURSE PLAYER ===== */
.player-page {
  min-height: 100vh;
  background: var(--bg);
}

/* Player nav bar */
.player-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: var(--space-md) var(--space-xl);
}

.player-nav-inner {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  transition: color 0.2s;
}

.back-link:hover { color: var(--ink); }

.back-link svg { opacity: 0.7; }

.player-wordmark {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.session-counter {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--fg-faint);
  letter-spacing: 0.05em;
}

/* Session list */
.session-list-page {
  padding: var(--space-3xl) var(--space-xl);
}

.session-list-inner {
  max-width: 700px;
  margin: 0 auto;
}

.session-list-header {
  margin-bottom: var(--space-2xl);
}

.session-list-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 300;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

.session-list-sub {
  font-size: 0.875rem;
  color: var(--fg-muted);
  font-weight: 300;
}

.session-list {
  display: flex;
  flex-direction: column;
}

.session-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: background 0.15s;
  margin: 0 calc(-1 * var(--space-md));
  padding-left: var(--space-md);
  padding-right: var(--space-md);
  border-radius: 4px;
}

.session-list-item:hover { background: var(--bg-warm); }
.session-list-item:last-child { border-bottom: none; }

.session-list-left {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.session-num {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--border);
  min-width: 32px;
  line-height: 1;
}

.session-name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.3;
}

.session-duration {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--fg-faint);
  letter-spacing: 0.05em;
}

/* Individual session */
.session-page {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-xl) var(--space-4xl);
}

.session-header-meta {
  margin-bottom: var(--space-2xl);
}

.session-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 300;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: var(--space-xs);
}

.session-meta-row {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}

.session-number-badge {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-dark);
}

.session-duration-badge {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--fg-faint);
}

/* Video player */
.video-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  background: var(--ink);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: var(--space-xl);
}

.video-wrap iframe,
.video-wrap video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2a2622 0%, #1c1917 100%);
  gap: var(--space-md);
}

.video-placeholder-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(201, 169, 110, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-placeholder-label {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 300;
  color: rgba(250, 247, 242, 0.5);
  font-style: italic;
}

/* Written prompt */
.prompt-section {
  margin-bottom: var(--space-2xl);
  padding: var(--space-xl);
  background: var(--bg-warm);
  border-radius: 4px;
  border-left: 3px solid var(--accent);
}

.prompt-label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: var(--space-md);
}

.prompt-text {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 300;
  font-style: italic;
  color: var(--ink);
  line-height: 1.7;
}

/* Notes section */
.notes-section {
  margin-bottom: var(--space-2xl);
}

.notes-label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: var(--space-sm);
}

.notes-textarea {
  width: 100%;
  min-height: 160px;
  padding: var(--space-lg);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--ink);
  line-height: 1.7;
  resize: vertical;
  transition: border-color 0.2s;
}

.notes-textarea::placeholder { color: var(--fg-faint); }
.notes-textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.notes-hint {
  font-size: 0.75rem;
  color: var(--fg-faint);
  margin-top: var(--space-xs);
}

/* Audio player */
.audio-section {
  padding: var(--space-lg) var(--space-xl);
  background: var(--ink);
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.audio-info {
  flex: 1;
  min-width: 0;
}

.audio-title {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--bg);
  margin-bottom: var(--space-2xs);
}

.audio-subtitle {
  font-size: 0.75rem;
  font-weight: 300;
  color: rgba(250,247,242,0.4);
}

.audio-controls {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.play-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.1s;
  flex-shrink: 0;
}

.play-btn:hover { background: var(--accent-dark); }
.play-btn:active { transform: scale(0.95); }

.audio-progress-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.audio-progress {
  width: 100%;
  height: 3px;
  background: rgba(250,247,242,0.15);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}

.audio-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  width: 0%;
  transition: width 0.1s linear;
}

.audio-time {
  font-size: 0.6875rem;
  font-weight: 300;
  color: rgba(250,247,242,0.4);
  font-variant-numeric: tabular-nums;
}

/* Session navigation (prev/next) */
.session-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--border);
}

.session-nav-link {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  padding: var(--space-lg);
  background: var(--bg-warm);
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.2s;
  max-width: 48%;
}

.session-nav-link:hover { background: var(--border); }

.session-nav-label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.session-nav-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.3;
}

.session-nav-link.next { align-items: flex-end; margin-left: auto; }

/* Responsive */
@media (max-width: 768px) {
  .player-nav { padding: var(--space-sm) var(--space-md); }
  .session-list-page { padding: var(--space-xl) var(--space-md); }
  .session-page { padding: var(--space-lg) var(--space-md) var(--space-3xl); }
  .session-nav { flex-direction: column; }
  .session-nav-link,
  .session-nav-link.next { max-width: 100%; margin-left: 0; align-items: flex-start; }
  .audio-section { flex-wrap: wrap; }
  .audio-progress-wrap { width: 100%; order: 2; }
}