/* Baseshop Layout System */

/* Page Shell */
.page-shell {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

/* Top Bar */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--tap-comfort);
  padding: 0 var(--space-4);
  background: var(--gray-0);
  border-bottom: 1px solid var(--gray-100);
}

.top-bar-logo {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--gray-900);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.top-bar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.top-bar-calc-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-600);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--gray-200);
  background: var(--gray-0);
  transition: color 0.15s, background-color 0.15s, border-color 0.15s;
}

.top-bar-calc-link:hover {
  color: var(--gray-900);
  background: var(--gray-50);
  border-color: var(--gray-400);
}

.top-bar-menu {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--tap-min);
  height: var(--tap-min);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-900);
  padding: 0;
}

.top-bar-menu svg {
  width: 24px;
  height: 24px;
}

/* Drawer overlay */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* Drawer */
.drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  max-width: 80vw;
  height: 100dvh;
  background: var(--gray-0);
  z-index: 300;
  transform: translateX(-100%);
  transition: transform 0.2s ease;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.drawer.open {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  height: var(--tap-comfort);
  padding: 0 var(--space-4);
  border-bottom: 1px solid var(--gray-100);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--gray-900);
}

.drawer-nav {
  flex: 1;
  padding: var(--space-2) 0;
}

.drawer-item {
  display: flex;
  align-items: center;
  height: var(--tap-comfort);
  padding: 0 var(--space-4);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--gray-700);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background 0.1s;
}

.drawer-item:hover,
.drawer-item:active {
  background: var(--gray-50);
}

.drawer-item.active {
  color: var(--gray-900);
  font-weight: 600;
  border-left-color: var(--gray-900);
  background: var(--gray-50);
}

.drawer-heading {
  display: flex;
  align-items: center;
  height: 36px;
  padding: 0 var(--space-4);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.drawer-subitem {
  padding-left: var(--space-8);
  font-size: var(--text-sm);
  height: 40px;
}

.drawer-divider {
  border: none;
  border-top: 1px solid var(--gray-100);
  margin: var(--space-2) var(--space-4);
}

.drawer-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--gray-100);
}

/* Content Area */
.content-area {
  flex: 1;
  padding: var(--space-4);
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
}

/* Page Title */
.page-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
  line-height: 1.2;
}

/* Bottom Dock */
.bottom-dock {
  position: sticky;
  bottom: 0;
  z-index: 100;
  padding: var(--space-4);
  background: var(--gray-0);
  border-top: 1px solid var(--gray-100);
}

/* Content Grid */
.grid-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .grid-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---- Components ---- */

/* Resource Card */
.resource-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-decoration: none;
  min-height: var(--tap-comfort);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.resource-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.resource-card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--gray-900);
}

.resource-card-desc {
  font-size: var(--text-sm);
  color: var(--gray-600);
}

/* Action Buttons */
.btn-primary,
.btn-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  height: var(--tap-comfort);
  width: 100%;
  font-size: var(--text-base);
  font-weight: 500;
  font-family: var(--font-sans);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
}

.btn-primary {
  background: var(--gray-900);
  color: var(--gray-0);
}

.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-900);
}

/* Section Header */
.section-header {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

/* Info Row */
.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--gray-100);
}

.info-label {
  font-size: var(--text-sm);
  color: var(--gray-600);
}

.info-value {
  font-size: var(--text-base);
  color: var(--gray-900);
  text-align: right;
}

/* Form Field */
.field-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-900);
  margin-bottom: var(--space-1);
}

.field-input {
  width: 100%;
  height: var(--tap-comfort);
  padding: 0 var(--space-3);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--gray-900);
}

.field-input:focus {
  outline: 2px solid var(--gray-900);
  outline-offset: -2px;
}

/* Print Sheet */
.print-sheet {
  background: var(--gray-0);
  max-width: 960px;
  margin: 0 auto var(--space-8);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  padding: 0.5in;
}

@media print {
  @page {
    size: letter;
    margin: 0.5in;
  }

  .print-sheet {
    box-shadow: none;
    max-width: none;
    width: 100%;
    padding: 0;
    page-break-after: always;
    margin: 0;
  }

  .print-sheet:last-child {
    page-break-after: auto;
  }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-8) var(--space-4);
}

.empty-state-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--gray-400);
}

.empty-state-desc {
  font-size: var(--text-sm);
  color: var(--gray-400);
  margin-top: var(--space-1);
}

/* Events Section */
.events-section {
  margin-bottom: var(--space-8);
}

/* Event Card — white bg + left accent stripe distinguishes from resource cards */
.event-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--gray-0);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-decoration: none;
  box-shadow: inset 3px 0 0 0 var(--gray-900);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.event-card:hover {
  transform: translateY(-2px);
  box-shadow: inset 3px 0 0 0 var(--gray-900), 0 4px 12px rgba(0,0,0,0.08);
}

.event-card-date {
  display: inline-block;
  align-self: flex-start;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--gray-600);
  background: var(--gray-50);
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
  letter-spacing: 0.03em;
  margin-bottom: var(--space-1);
}

.event-card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--gray-900);
  line-height: 1.3;
}

.event-card-meta {
  font-size: var(--text-sm);
  color: var(--gray-600);
}

.event-card-desc {
  font-size: var(--text-sm);
  color: var(--gray-600);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: var(--space-2);
}

/* Event Card Skeleton */
.event-card-skeleton {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--gray-0);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: inset 3px 0 0 0 var(--gray-100);
  min-height: 140px;
}

.skeleton-line {
  height: 12px;
  border-radius: 6px;
  background: var(--gray-100);
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.skeleton-line.short {
  width: 30%;
  margin-bottom: var(--space-2);
}

.skeleton-line.medium {
  width: 70%;
}

.skeleton-line.long {
  width: 90%;
}

@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ---- Sidebar Layout Variant (home page) ---- */

/* Layout container — inherits .content-area defaults */
.content-with-sidebar {
  /* Inherits flex:1, padding, width, margin:0 auto from .content-area */
}

@media (min-width: 1024px) {
  .content-with-sidebar {
    max-width: 1200px;
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-8);
    align-items: start;
  }

  .content-main {
    grid-column: 1;
    grid-row: 1;
  }

  .content-sidebar {
    grid-column: 2;
    grid-row: 1;
  }
}

/* Sidebar Panel */
@media (min-width: 1024px) {
  .content-sidebar {
    background: transparent;
    border: none;
    border-left: 1px solid var(--gray-100);
    border-radius: 0;
    padding: 0 0 0 var(--space-5);
    position: sticky;
    top: calc(var(--tap-comfort) + var(--space-4));
    max-height: calc(100dvh - var(--tap-comfort) - var(--space-8));
    overflow-y: auto;
  }
}

/* Sidebar Header */
.sidebar-header {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sidebar-header::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gray-400);
  flex-shrink: 0;
}

/* Mobile: Horizontal Scroll Row (< 1024px) */
@media (max-width: 1023px) {
  .content-sidebar {
    margin-bottom: var(--space-6);
  }

  .content-sidebar #events-grid {
    display: flex;
    flex-direction: row;
    gap: var(--space-3);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-2);
    scrollbar-width: thin;
    scrollbar-color: var(--gray-200) transparent;
  }

  .content-sidebar .event-card {
    flex: 0 0 280px;
    scroll-snap-align: start;
    min-width: 0;
  }

  .content-sidebar .event-card-skeleton {
    flex: 0 0 280px;
    scroll-snap-align: start;
    min-width: 0;
  }
}

/* Desktop: Event Cards — refined list */
@media (min-width: 1024px) {
  .content-sidebar #events-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .content-sidebar .event-card {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--space-3) 0 var(--space-3) var(--space-3);
    background: transparent;
    border: none;
    border-left: 2px solid transparent;
    border-radius: 0;
    border-bottom: 1px solid var(--gray-100);
    text-decoration: none;
    transition: border-left-color 0.2s ease, background 0.2s ease;
  }

  .content-sidebar .event-card:last-child {
    border-bottom: none;
  }

  .content-sidebar .event-card:hover {
    border-left-color: var(--gray-900);
    background: var(--gray-50);
  }

  .content-sidebar .event-card-date {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-900);
    background: transparent;
    padding: 0;
    margin-bottom: 0;
    letter-spacing: -0.01em;
  }

  .content-sidebar .event-card-title {
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--gray-900);
    line-height: 1.4;
  }

  .content-sidebar .event-card-meta {
    font-size: var(--text-xs);
    color: var(--gray-400);
  }

  .content-sidebar .event-card-desc {
    display: none;
  }

  .content-sidebar .event-card-skeleton {
    min-height: 64px;
    padding: var(--space-3) 0 var(--space-3) var(--space-3);
    border: none;
    border-left: 2px solid var(--gray-100);
    border-radius: 0;
    border-bottom: 1px solid var(--gray-100);
    box-shadow: none;
  }

  .content-sidebar .event-card-skeleton:last-child {
    border-bottom: none;
  }
}

/* Sidebar Empty / Error States */
.content-sidebar .empty-state {
  padding: var(--space-6) 0;
  text-align: left;
}

.content-sidebar .empty-state-title {
  font-size: var(--text-sm);
  color: var(--gray-400);
}

.content-sidebar .empty-state-desc {
  font-size: var(--text-xs);
  color: var(--gray-400);
}

/* ---- Hero Headline (Courses Hub) ---- */

.hero-headline {
  margin-bottom: var(--space-8);
}

.hero-headline-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.hero-headline-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-3);
}

.hero-headline-desc {
  font-size: var(--text-base);
  color: var(--gray-600);
  max-width: 480px;
  line-height: 1.5;
}

/* ---- Course Card ---- */

.course-card {
  display: flex;
  flex-direction: column;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.course-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.course-card-thumb {
  background-color: var(--gray-900);
  background-size: cover;
  background-position: center;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.course-card:nth-child(even) .course-card-thumb {
  background-color: var(--gray-600);
}

.course-card-play {
  width: 36px;
  height: 36px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.course-card-play::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-left: 10px solid var(--gray-0);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  margin-left: 2px;
}

.course-card-meta {
  position: absolute;
  bottom: var(--space-2);
  right: var(--space-3);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
}

.course-card-body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.course-card-type {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.course-card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.01em;
}

.course-card-desc {
  font-size: var(--text-sm);
  color: var(--gray-600);
  line-height: 1.4;
}

/* Course Card Skeleton */

.course-card-skeleton {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 240px;
}

.skeleton-thumb {
  height: 100px;
  background: var(--gray-100);
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}

/* ---- Tip Card (Standalone) ---- */

.tip-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4);
  background: var(--gray-0);
  border: 1px solid var(--gray-200);
  border-left: 3px solid var(--gray-900);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tip-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.tip-card-title {
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--gray-900);
}

.tip-card-desc {
  font-size: var(--text-sm);
  color: var(--gray-600);
  line-height: 1.4;
}

/* ---- Video Player ---- */

.video-player {
  margin-bottom: var(--space-4);
}

.video-embed-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
}

.video-embed {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--radius-lg);
}

.video-poster {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.video-play-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4);
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
  padding: 0;
}

.video-play-btn:hover {
  transform: scale(1.1);
  background: rgba(0, 0, 0, 0.5);
}

.video-play-btn:active {
  transform: scale(0.95);
}

.video-play-btn svg {
  margin-left: 4px;
}

.video-placeholder {
  aspect-ratio: 16/9;
  background: var(--gray-900);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- Player Info ---- */

.player-info {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.player-video-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.player-duration {
  font-size: var(--text-sm);
  color: var(--gray-400);
}

/* ---- Tabs ---- */

.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--gray-100);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-4);
}

.tab {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  font-family: var(--font-sans);
  background: var(--gray-50);
  color: var(--gray-600);
  border: none;
  cursor: pointer;
  height: var(--tap-min);
  display: inline-flex;
  align-items: center;
}

.tab.active {
  background: var(--gray-900);
  color: var(--gray-0);
}

.tab-content {
  margin-bottom: var(--space-6);
}

/* ---- Quiz Form ---- */

.quiz-form {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.quiz-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-4);
}

.quiz-question {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--gray-100);
}

.quiz-question:last-child {
  border-bottom: none;
  margin-bottom: var(--space-3);
  padding-bottom: 0;
}

.quiz-question-text {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--gray-900);
  margin-bottom: var(--space-2);
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--gray-900);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background 0.1s;
}

.quiz-option:hover {
  background: var(--gray-100);
}

.quiz-option input[type="radio"] {
  accent-color: var(--gray-900);
  width: 16px;
  height: 16px;
}

.quiz-submit {
  margin-top: var(--space-3);
}

/* ---- Notes Content ---- */

.notes-content {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

/* ---- Player Navigation ---- */

.player-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--gray-100);
}

.player-nav-btn {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-900);
  background: none;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  cursor: pointer;
  font-family: var(--font-sans);
  min-height: var(--tap-min);
  transition: background 0.1s;
  max-width: 48%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.player-nav-btn:hover {
  background: var(--gray-50);
}

.player-nav-btn.next {
  margin-left: auto;
}

/* ---- Course Outline (Sidebar) ---- */

.course-outline {
  /* Inherits .content-sidebar styles */
}

.outline-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0 var(--space-2) var(--space-3);
  border-left: 2px solid transparent;
  border-bottom: 1px solid var(--gray-100);
  text-decoration: none;
  cursor: pointer;
  transition: border-left-color 0.2s ease, background 0.2s ease;
}

.outline-item:last-child {
  border-bottom: none;
}

.outline-item:hover {
  background: var(--gray-50);
}

.outline-item.active {
  border-left-color: var(--gray-900);
  background: var(--gray-50);
}

.outline-indicator {
  font-size: 10px;
  color: var(--gray-900);
  flex-shrink: 0;
}

.outline-title {
  font-size: var(--text-sm);
  color: var(--gray-900);
  flex: 1;
  line-height: 1.3;
}

.outline-item.active .outline-title {
  font-weight: 600;
}

.outline-duration {
  font-size: var(--text-xs);
  color: var(--gray-400);
  flex-shrink: 0;
}

/* ---- Standalone Player (no sidebar) ---- */

@media (min-width: 1024px) {
  .player-standalone {
    max-width: 800px;
  }
}

/* ---- Prev / Next ---- */

.prev-next {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid var(--gray-100);
}

.prev-next a {
  font-size: var(--text-sm);
  color: var(--gray-600);
  text-decoration: none;
}

.prev-next a:hover {
  color: var(--gray-900);
}

/* ---- Print Banner ---- */

.print-banner {
  background: var(--gray-900);
  color: var(--gray-0);
  text-align: center;
  padding: var(--space-2);
  font-size: var(--text-sm);
}

/* ---- Section Card (hub pages) ---- */

.section-card {
  display: block;
  text-decoration: none;
  padding: var(--space-4);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  background: var(--gray-0);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.2s ease;
}

.section-card:hover {
  border-color: var(--gray-900);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.section-card .num {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-400);
  display: block;
  margin-bottom: var(--space-1);
}

.section-card .title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--gray-900);
  display: block;
  margin-bottom: var(--space-1);
}

.section-card .desc {
  font-size: var(--text-sm);
  color: var(--gray-600);
  line-height: 1.45;
}

/* ---- Site Footer ---- */

.site-footer {
  margin-top: var(--space-12);
  text-align: center;
  font-size: var(--text-xs);
  color: var(--gray-400);
}

.site-footer p + p {
  margin-top: var(--space-1);
}

/* ---- Desktop Top-Bar Navigation ---- */

.top-bar-nav {
  display: none;
}

.top-bar-dropdown {
  position: relative;
}

.top-bar-dropdown-label {
  display: flex;
  align-items: center;
  height: var(--tap-comfort);
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.top-bar-dropdown-label:hover,
.top-bar-dropdown:hover .top-bar-dropdown-label {
  color: var(--gray-900);
  border-bottom-color: var(--gray-900);
}

.top-bar-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 220px;
  background: var(--gray-0);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  padding: var(--space-1);
  z-index: 400;
}

.top-bar-dropdown:hover .top-bar-dropdown-menu {
  display: block;
}

.top-bar-dropdown-item {
  display: flex;
  align-items: center;
  height: var(--tap-min);
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-700);
  text-decoration: none;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: background 0.1s, color 0.1s;
}

.top-bar-dropdown-item:hover {
  background: var(--gray-50);
  color: var(--gray-900);
}

.top-bar-dropdown-item.active {
  color: var(--gray-900);
  font-weight: 600;
  background: var(--gray-50);
}

.top-bar-dropdown-subitem {
  padding-left: var(--space-6);
  font-size: var(--text-xs);
  height: 36px;
  color: var(--gray-500);
}

.top-bar-dropdown-subitem:hover {
  color: var(--gray-700);
}

.top-bar-dropdown-subitem.active {
  color: var(--gray-800);
  font-weight: 600;
}

@media (min-width: 1024px) {
  .top-bar-nav {
    display: flex;
    align-items: center;
    gap: 0;
  }

  .top-bar-menu {
    display: none;
  }
}

/* Print */
@media print {
  @page {
    size: letter;
    margin: 0.5in;
  }

  body {
    background: var(--gray-0);
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .top-bar,
  .top-bar-nav,
  .drawer,
  .drawer-overlay,
  .bottom-dock,
  .print-banner,
  .content-sidebar,
  .no-print {
    display: none !important;
  }

  .content-area,
  .content-with-sidebar {
    padding: 0;
    max-width: none;
  }
}