/* ============================================================
   EPISODES PAGE — episodes.css
   Requires: styles.css (design tokens, layout, buttons, nav, footer)
   ============================================================ */

/* .page-header styles live in styles.css */

/* ============================================================
   EPISODES SECTION
   ============================================================ */
.episodes-section {
  padding-block: var(--space-8) var(--space-16);
}

/* ============================================================
   EPISODE LIST
   ============================================================ */
.ep-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 860px;
  margin-inline: auto;
}

/* ============================================================
   EPISODE CARD
   ============================================================ */
.ep-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.ep-card:hover {
  box-shadow: var(--shadow-md);
}

/* Card top row: meta + listen button */
.ep-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
  flex-wrap: wrap;
}

.ep-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.ep-card__num {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-blue);
  background: rgba(46, 109, 180, 0.08);
  padding: 3px 10px;
  border-radius: 999px;
}

.ep-card__date {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.ep-card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  color: var(--color-ink);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
}

/* ============================================================
   SHOW NOTES
   ============================================================ */
.ep-card__notes {
  margin-bottom: var(--space-2);
}

.ep-card__preview {
  font-size: var(--text-base);
  line-height: var(--leading-loose);
  color: var(--color-ink-muted);
}

.ep-card__preview p {
  margin: 0;
}

.ep-card__preview p + p {
  margin-top: var(--space-3);
}

/* Expand / collapse via <details> */
.ep-card__expand {
  margin-top: var(--space-2);
}

.ep-card__expand summary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  list-style: none;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-blue);
  padding: var(--space-2) 0;
  user-select: none;
  transition: color var(--transition-fast);
}

.ep-card__expand summary::-webkit-details-marker {
  display: none;
}

.ep-card__expand summary::marker {
  display: none;
}

.ep-card__expand summary:hover {
  color: var(--color-blue-dark);
}

/* Chevron icon on the summary */
.ep-card__expand summary::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14' fill='none'%3E%3Cpath d='M2 4.5l5 5 5-5' stroke='%232E6DB4' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.ep-card__expand[open] summary::after {
  transform: rotate(180deg);
}

.ep-card__expand[open] summary {
  margin-bottom: var(--space-4);
}

/* Full notes content (revealed on expand) */
.ep-card__full-notes {
  animation: notesReveal 0.2s ease-out;
  font-size: var(--text-base);
  line-height: var(--leading-loose);
  color: var(--color-ink-muted);
}

.ep-card__full-notes p { margin: 0 0 var(--space-3); }
.ep-card__full-notes ul,
.ep-card__full-notes ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-3);
}
.ep-card__full-notes li { margin-bottom: var(--space-1); }
.ep-card__full-notes strong { color: var(--color-ink); font-weight: var(--weight-medium); }
.ep-card__full-notes a {
  color: var(--color-blue);
  word-break: break-all;
}
.ep-card__full-notes a:hover { text-decoration: underline; }

@keyframes notesReveal {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   RESOURCES SECTION (always visible)
   ============================================================ */
.ep-card__resources {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-3);
  margin-top: var(--space-2);
}

.ep-card__resources-title {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: var(--space-3);
}

.ep-card__resources-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.ep-card__resources-list li {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

/* Arrow prefix on each link */
.ep-card__resources-list li::before {
  content: '→';
  color: var(--color-teal);
  font-size: var(--text-sm);
  flex-shrink: 0;
  line-height: var(--leading-normal);
}

.ep-card__resources-list a {
  font-size: var(--text-sm);
  color: var(--color-blue);
  word-break: break-word;
  line-height: var(--leading-snug);
  transition: color var(--transition-fast);
}

.ep-card__resources-list a:hover {
  color: var(--color-blue-dark);
  text-decoration: underline;
}

/* ============================================================
   LOADING SKELETONS
   ============================================================ */
.ep-skeleton {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  margin-bottom: var(--space-6);
}

.ep-skeleton::before,
.ep-skeleton::after {
  content: '';
  display: block;
  border-radius: var(--radius-sm);
  background: linear-gradient(
    90deg,
    var(--color-border) 25%,
    #e8edf5 50%,
    var(--color-border) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
}

.ep-skeleton::before {
  height: 14px;
  width: 160px;
  margin-bottom: var(--space-5);
}

.ep-skeleton::after {
  height: 22px;
  width: 75%;
  margin-bottom: var(--space-4);
}

.ep-skeleton {
  position: relative;
  min-height: 160px;
}

/* ============================================================
   ERROR STATE
   ============================================================ */
.ep-error {
  text-align: center;
  padding: var(--space-16) var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.ep-error p {
  color: var(--color-ink-muted);
  margin-bottom: var(--space-6);
}

/* ============================================================
   ACTIVE NAV ITEM (current page indicator)
   ============================================================ */
.nav__links a[aria-current="page"] {
  color: var(--color-blue);
  font-weight: var(--weight-bold);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 480px) {
  .ep-card {
    padding: var(--space-4);
  }

  .ep-card__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
}