/* Reset & base */
*, *::before, *::after { box-sizing: border-box; }
html, body {
  height: 100%;
}
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.45;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-height);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: var(--gap);
  padding: 0 1rem;
  z-index: 50;
  transform: translateY(calc(-100% + 0.45rem));
  transition: transform var(--transition-base);
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.45rem;
  height: 0.45rem;
}
.site-header:hover,
.site-header:focus-within {
  transform: translateY(0);
}
.header-main {
  display: flex;
  align-items: center;
  gap: var(--gap);
  flex: 1 1 auto;
  min-width: 0;
}
.site-header .logo {
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.site-header .logo-img {
  height: 1.5rem;
  width: auto;
  display: block;
}
.site-header .spacer { flex: 1 1 auto; }

.scan-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  max-width: min(22rem, 45vw);
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 0.78rem;
  white-space: nowrap;
}
.scan-indicator.hidden {
  display: none;
}
.scan-indicator span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
}
.scan-dot {
  width: 0.5rem;
  height: 0.5rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent-soft);
  animation: scanPulse 1.4s ease-out infinite;
}
@keyframes scanPulse {
  0% { box-shadow: 0 0 0 0 var(--accent-soft); }
  100% { box-shadow: 0 0 0 0.45rem transparent; }
}

/* Sidebar */
.sidebar {
  position: fixed;
  inset: var(--header-height) auto 0 0;
  width: var(--sidebar-width);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  overflow: auto;
  padding: 0.75rem 0.5rem;
  display: none; /* hidden by default */
  flex-direction: column;
  gap: 0.25rem;
  z-index: 40;
}
.sidebar.open {
  display: flex;
}
.sidebar h2 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0.5rem 0.5rem 0.25rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--border);
}
.sidebar .set-item {
  display: block;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  cursor: pointer;
  user-select: none;
}
.sidebar .set-item:hover,
.sidebar .set-item:focus-visible {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
  outline: none;
}
.sidebar .set-item.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}
.sidebar .set-item.selected {
  border: 2px solid var(--accent);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-weight: 600;
}
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Main layout */
.page {
  padding-top: var(--header-height);
  min-height: 100vh;
}
.page.has-sidebar {
  padding-left: var(--sidebar-width);
}
.main-content {
  padding: var(--gap);
  max-width: 100%;
}

/* Breadcrumb bar */
.breadcrumb-bar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}
.breadcrumb-bar.hidden { display: none !important; }
.breadcrumb-bar button {
  background: transparent;
  border: none;
  color: var(--accent);
  padding: 0.15rem 0.25rem;
  cursor: pointer;
  font: inherit;
  border-radius: var(--radius-sm);
}
.breadcrumb-bar button:hover { background: var(--accent-soft); }
.breadcrumb-bar .breadcrumb-sep { color: var(--text-muted); user-select: none; }

/* Folder card placeholder */
.folder-card .thumb-wrap .placeholder { font-size: 3rem; }
.set-card .thumb-wrap .placeholder { font-size: 3rem; }
.set-card .thumb-wrap img + .placeholder { display: none; }

/* Media grid */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: var(--gap);
}
.media-pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
}
.media-pager-top {
  margin-bottom: 0.1rem;
}
.media-pager-bottom {
  margin-top: 0.1rem;
}
.media-page-summary {
  color: var(--text-secondary);
  font-size: 0.85rem;
}
.media-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}
.media-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}
.media-card.selected {
  border-color: var(--selected-border);
  background: var(--selected-bg);
}
.media-card.playing {
  border-color: var(--playing-border);
  background: var(--playing-bg);
}
.media-card .thumb-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.media-card .thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-card .thumb-wrap .placeholder {
  color: var(--text-muted);
  font-size: 0.85rem;
}
.media-card .meta {
  padding: 0.55rem 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-height: 3.5rem;
}
.media-card .title {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.media-card .subtitle {
  font-size: 0.78rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.media-card .badge {
  position: absolute;
  top: 0.35rem;
  right: 0.35rem;
  font-size: 0.65rem;
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  background: var(--bg-overlay);
  color: var(--text-primary);
}

.media-card .card-actions {
  position: absolute;
  bottom: 0.35rem;
  left: 0;
  right: 0;
  display: flex;
  gap: 0.25rem;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 2;
}
.media-card:hover .card-actions,
.media-card.selected .card-actions,
.media-card.playing .card-actions {
  opacity: 1;
}

/* Audio row variant */
.media-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.media-row:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-strong);
}
.media-row.selected {
  border-color: var(--selected-border);
  background: var(--selected-bg);
}
.media-row.playing {
  border-color: var(--playing-border);
  background: var(--playing-bg);
}
.media-row .row-icon {
  color: var(--text-muted);
  font-size: 1.1rem;
}
.media-row .row-body {
  min-width: 0;
  flex: 1 1 auto;
}
.media-row .row-title {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.media-row .row-meta {
  font-size: 0.78rem;
  color: var(--text-secondary);
}
.media-row .row-duration {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.media-row .row-cover {
  width: 2.8rem;
  height: 2.8rem;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  background: var(--bg-elevated);
}

/* Hide row action buttons unless hovered/selected/playing */
.media-row button[data-action] {
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.media-row:hover button[data-action],
.media-row.selected button[data-action],
.media-row.playing button[data-action] {
  opacity: 1;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  display: grid;
  place-items: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}
.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: min(40rem, 92vw);
  max-height: 86vh;
  overflow: auto;
  padding: 1.25rem;
}
.modal-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.modal-header h3 { margin: 0; font-size: 1.1rem; }
.modal-header .spacer { flex: 1 1 auto; }

/* Help modal */
.help-modal {
  width: min(64rem, 96vw);
}
.help-content {
  overflow: auto;
}
.help-shortcuts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 0.35rem 0.75rem;
  font-size: 0.88rem;
}
.help-row {
  display: grid;
  grid-template-columns: minmax(4.6rem, auto) 1fr;
  align-items: center;
  gap: 0.5rem;
  min-height: 2rem;
  padding: 0.25rem 0.35rem;
  border-bottom: 1px solid var(--border);
}
.help-row > span:first-child {
  white-space: nowrap;
  font-family: var(--font-mono);
}
.help-content kbd {
  display: inline-block;
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  font-size: 0.8rem;
  min-width: 1.6rem;
  text-align: center;
}
.help-shares {
  line-height: 1.7;
}

/* Media info modal */
.media-info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.media-info-table th,
.media-info-table td {
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.media-info-table th {
  width: 11rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-align: left;
}
.media-info-table td {
  color: var(--text-primary);
  overflow-wrap: anywhere;
}
.media-info-raw {
  margin-top: 1rem;
  font-size: 0.85rem;
}
.media-info-raw summary {
  cursor: pointer;
  color: var(--text-secondary);
}
.media-info-raw pre {
  max-height: 18rem;
  overflow: auto;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text-primary);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* Responsive */
@media (max-width: 860px) {
  :root {
    --header-height: 3rem;
    --sidebar-width: 0;
  }
  .site-header {
    gap: 0.35rem;
    padding: 0 0.5rem;
  }
  .header-main {
    gap: 0.35rem;
  }
  .search-bar {
    max-width: none;
    min-width: 0;
    flex: 1 1 auto;
  }
  .sidebar {
    position: fixed;
    inset: var(--header-height) auto auto 0;
    width: 100%;
    height: auto;
    max-height: 70vh;
    border-right: none;
    border-bottom: 1px solid var(--border);
    display: none;
  }
  .sidebar.open { display: flex; }
  .page { padding-left: 0; }
  .page.has-sidebar { padding-left: 0; }
  .player { inset: auto 0 0 0 !important; }
  .toolbar {
    flex-wrap: wrap;
    gap: 0.35rem;
  }
  .toolbar .input-sm {
    min-width: 4.5rem;
    max-width: none;
    flex: 1 1 4.5rem;
  }
  .site-header .logo {
    font-size: 0.9rem;
  }
  #theme-toggle,
  #user-name {
    display: none;
  }
  #logout-btn {
    padding: 0.3rem 0.5rem;
    font-size: 0.75rem;
  }
  .media-grid { grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr)); }
}

@media (max-width: 520px) {
  .media-grid { grid-template-columns: repeat(2, 1fr); }
  .toolbar .input-sm {
    min-width: 3.5rem;
  }
}

/* Utilities */
.hidden { display: none !important; }
.overflow-hidden { overflow: hidden; }

/* Layout helpers */
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.justify-end { justify-content: flex-end; }
.align-center { align-items: center; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.my-1 { margin: 0.25rem 0; }
.mb-2 { margin-bottom: 0.5rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.border-b { border-bottom: 1px solid var(--border); }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.8rem; }
.text-75 { font-size: 0.75rem; }
.text-90 { font-size: 0.9rem; }
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.flex-1-18 { flex: 1 1 18rem; }
.flex-col { flex-direction: column; }
.truncate {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.set-row {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding-right: 0.25rem;
}
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.78rem;
}
.grid-full { grid-column: 1 / -1; }

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

/* Empty state hint */
.empty-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  gap: 0.5rem;
  text-align: center;
}
.empty-hint p {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-secondary);
}
.empty-hint kbd {
  display: inline-block;
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.empty-hint.hidden { display: none !important; }

/* Modal sizes */
.modal-wide { width: min(56rem, 96vw); }

/* Admin lists */
.admin-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.admin-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.25rem 0.35rem;
  border-radius: var(--radius-sm);
}
.admin-list li.is-admin {
  background: var(--accent-soft);
}

#admin-permissions {
  max-width: 100%;
  overflow-x: auto;
}

.admin-table {
  width: max-content;
  min-width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.admin-table th,
.admin-table td {
  padding: 0.35rem 0.45rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

.admin-table th:first-child,
.admin-table td:first-child {
  max-width: 12rem;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-table .perm-select {
  min-width: 5.5rem;
}

.podcast-feed-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
}

.podcast-feed-cover {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  flex: 0 0 auto;
}

.btn-download-episode {
  align-self: flex-start;
  margin-top: 0.2rem;
}