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

:root {
  --color-bg: #f5f0e8;
  --color-text: #2c2416;
  --color-text-light: #6b5e4f;
  --color-accent: #8b4513;
  --color-paper: #faf6ef;
  --color-border: #d4c5a9;
  --panel-width: 420px;
  --header-height: 52px;
  --part1: #2E86AB;
  --part2: #A23B72;
  --part3: #F18F01;
  --part4: #C73E1D;
  --font-serif: 'Georgia', 'Noto Serif SC', serif;
  --font-sans: -apple-system, 'PingFang SC', 'Helvetica Neue', sans-serif;
}

html, body {
  height: 100%;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  overflow: hidden;
}

/* === Header === */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: linear-gradient(135deg, #3a2a14 0%, #5a3d1a 100%);
  color: #f5f0e8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.header-content h1 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 1px;
}

.header-content h1 .subtitle {
  font-size: 16px;
  opacity: 0.8;
  margin-left: 8px;
}

.header-meta {
  font-size: 12px;
  opacity: 0.7;
  margin-top: 2px;
}

.header-meta .sep {
  margin: 0 8px;
  opacity: 0.4;
}

.panel-toggle-btn {
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  color: #f5f0e8;
  width: 36px; height: 36px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.panel-toggle-btn:hover {
  background: rgba(255,255,255,0.1);
}

.header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.header-actions .panel-toggle-btn {
  width: auto;
  padding: 0 12px;
  font-size: 13px;
  white-space: nowrap;
}

/* === Theme Buttons (horizontal strip, icon top, label bottom) === */
.theme-buttons {
  display: flex;
  gap: 4px;
  align-items: stretch;
}

.theme-btn {
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  color: #f5f0e8;
  padding: 3px 6px 2px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  min-width: 54px;
  transition: background 0.2s, border-color 0.2s, transform 0.1s;
  font-family: var(--font-sans);
}

.theme-btn .theme-icon {
  font-size: 18px;
  line-height: 1;
}

.theme-btn .theme-label {
  font-size: 10px;
  letter-spacing: 0.5px;
  white-space: nowrap;
  opacity: 0.85;
}

.theme-btn:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.4);
}

.theme-btn:active {
  transform: translateY(1px);
}

.header-sep {
  width: 1px;
  height: 28px;
  background: rgba(255,255,255,0.2);
  margin: 0 4px;
}

/* === Theme Modal (overlay) === */
.theme-modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-modal-backdrop {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
}

.theme-modal-content {
  position: relative;
  background: var(--color-paper);
  border-radius: 12px;
  padding: 30px 34px;
  max-width: 720px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.theme-close {
  position: absolute;
  top: 12px; right: 16px;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--color-text-light);
  padding: 4px 10px;
  border-radius: 4px;
}

.theme-close:hover { background: rgba(0,0,0,0.05); }

.theme-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 4px;
  padding-right: 40px;
}

.theme-header .theme-header-icon {
  font-size: 30px;
  line-height: 1;
}

.theme-header h2 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text);
}

.theme-header .theme-name-en {
  font-size: 13px;
  color: var(--color-text-light);
  font-style: italic;
  margin-left: 10px;
  font-weight: 400;
}

.theme-bg-note {
  background: rgba(139,69,19,0.05);
  border-left: 3px solid var(--color-accent);
  padding: 12px 16px;
  margin: 16px 0 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text);
}

.theme-section-title {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--color-accent);
  margin: 16px 0 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.theme-excerpts {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}

.theme-excerpts li {
  padding: 8px 0 8px 16px;
  border-left: 2px solid var(--color-border);
  margin-bottom: 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--color-text);
}

.theme-excerpts .excerpt-source {
  display: block;
  font-size: 11px;
  color: var(--color-text-light);
  margin-bottom: 3px;
  font-style: italic;
}

.theme-queries {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
}

.theme-query-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: rgba(139,69,19,0.04);
  border-radius: 6px;
}

.theme-query-label {
  flex: 1;
  font-size: 13px;
  color: var(--color-text);
}

.theme-wip {
  text-align: center;
  padding: 30px 20px;
  color: var(--color-text-light);
  font-style: italic;
}

/* === Hero Modal === */
.hero-modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-modal-backdrop {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
}

.hero-modal-content {
  position: relative;
  background: var(--color-paper);
  border-radius: 12px;
  padding: 30px;
  max-width: 1100px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.hero-modal-content h2 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 20px;
  color: var(--color-text);
}

.hero-close {
  position: absolute;
  top: 12px; right: 16px;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--color-text-light);
  padding: 4px 10px;
  border-radius: 4px;
}

.hero-close:hover {
  background: rgba(0,0,0,0.05);
}

.hero-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .hero-cards { grid-template-columns: 1fr; }
}

.hero-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.hero-icon-box {
  background: linear-gradient(135deg, #f5ebd6 0%, #e8d9b8 100%);
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--color-border);
}

.hero-icon {
  font-size: 70px;
  line-height: 1;
}

.link-btn-primary {
  background: var(--color-accent);
  color: white !important;
  border-color: var(--color-accent);
}

.link-btn-primary:hover {
  background: #6f3410;
  color: white !important;
}

.hero-card-body {
  padding: 14px 16px 16px;
}

.hero-card-body h3 {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 2px;
}

.hero-name-en {
  font-size: 12px;
  color: var(--color-text-light);
  margin-bottom: 10px;
  font-style: italic;
}

.hero-caption {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: 12px;
}

.hero-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* === Generic link buttons === */
.link-btn {
  display: inline-block;
  padding: 5px 12px;
  background: rgba(139,69,19,0.1);
  color: var(--color-accent);
  border-radius: 4px;
  font-size: 12px;
  text-decoration: none;
  transition: background 0.2s;
  border: 1px solid rgba(139,69,19,0.2);
}

.link-btn:hover {
  background: rgba(139,69,19,0.2);
}

.link-btn-sm {
  font-size: 11px;
  padding: 4px 10px;
}

.card-image-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--color-border);
}

.scene-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.scene-label {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 12px;
  color: var(--color-text-muted, #6b5a47);
  padding-right: 4px;
}

.scene-row-wiki {
  margin-top: 4px;
  padding-top: 6px;
  border-top: 1px dotted rgba(139,69,19,0.15);
}

/* === Map === */
#map {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

/* === Side Panel === */
.side-panel {
  position: fixed;
  top: var(--header-height);
  right: 0;
  width: var(--panel-width);
  height: calc(100vh - var(--header-height));
  background: var(--color-paper);
  z-index: 500;
  box-shadow: -4px 0 20px rgba(0,0,0,0.15);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  border-left: 1px solid var(--color-border);
}

.side-panel.open {
  transform: translateX(0);
}

/* Panel Tabs */
.panel-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  flex-shrink: 0;
}

.tab-btn {
  flex: 1;
  padding: 10px 8px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 13px;
  color: var(--color-text-light);
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-sans);
}

.tab-btn:hover {
  background: rgba(139,69,19,0.05);
}

.tab-btn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  font-weight: 600;
}

/* Tab Content */
.tab-content {
  display: none;
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

.tab-content.active {
  display: flex;
  flex-direction: column;
}

/* === TOC Tab === */
.toc-filters {
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.toc-filters select {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 13px;
  background: white;
  color: var(--color-text);
  font-family: var(--font-sans);
}

.toc-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.toc-part-header {
  padding: 10px 16px 6px;
  font-size: 13px;
  font-weight: 700;
  color: white;
  position: sticky;
  top: 0;
  z-index: 10;
}

.toc-item {
  padding: 10px 16px 10px 24px;
  cursor: pointer;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  transition: background 0.15s;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.toc-item:hover {
  background: rgba(139,69,19,0.06);
}

.toc-item.active {
  background: rgba(139,69,19,0.12);
  border-left: 3px solid var(--color-accent);
  padding-left: 21px;
}

.toc-item-num {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--color-accent);
  color: white;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

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

.toc-item-name {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
}

.toc-item-name-en {
  font-size: 12px;
  color: var(--color-text-light);
  margin-top: 1px;
}

.toc-item-time {
  font-size: 11px;
  color: var(--color-text-light);
  margin-top: 3px;
}

/* === Detail Tab === */
.detail-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: var(--color-text-light);
  font-size: 15px;
  padding: 40px;
  line-height: 1.8;
}

.detail-placeholder .hint-en {
  font-size: 12px;
  margin-top: 12px;
  opacity: 0.6;
}

.detail-card {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.card-part-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
  color: white;
}

.card-mood {
  font-size: 12px;
  color: var(--color-accent);
  font-style: italic;
  font-family: var(--font-serif);
}

.detail-card h2 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 4px;
}

.card-time {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.card-image-container {
  margin-bottom: 16px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.card-image-container img {
  width: 100%;
  height: auto;
  display: block;
}

.card-summary {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 16px;
  color: var(--color-text);
}

.card-quote {
  background: rgba(139,69,19,0.05);
  border-left: 3px solid var(--color-accent);
  padding: 12px 16px;
  margin-bottom: 16px;
  border-radius: 0 6px 6px 0;
}

.card-quote p {
  font-family: var(--font-serif);
  font-size: 13px;
  line-height: 1.6;
  font-style: italic;
  color: var(--color-text);
}

.card-quote .quote-cn {
  font-style: normal;
  margin-top: 8px;
  font-size: 12px;
  color: var(--color-text-light);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.card-tags .tag {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(139,69,19,0.1);
  color: var(--color-accent);
}

.card-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.nav-btn {
  padding: 6px 14px;
  background: var(--color-accent);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-sans);
  transition: opacity 0.2s;
}

.nav-btn:hover {
  opacity: 0.85;
}

.nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.card-counter {
  font-size: 12px;
  color: var(--color-text-light);
}

/* === Timeline Tab === */
.timeline {
  padding: 20px 16px 20px 40px;
  overflow-y: auto;
  flex: 1;
}

.timeline-month {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
  margin: 16px 0 8px;
  padding-left: 0;
}

.timeline-item {
  position: relative;
  padding: 8px 0 8px 20px;
  border-left: 2px solid var(--color-border);
  margin-left: 6px;
  cursor: pointer;
  transition: background 0.15s;
}

.timeline-item:hover {
  background: rgba(139,69,19,0.04);
}

.timeline-item.active {
  border-left-color: var(--color-accent);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 14px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  border: 2px solid var(--color-paper);
}

.timeline-item.active::before {
  background: var(--color-accent);
}

.timeline-item-name {
  font-size: 13px;
  font-weight: 600;
}

.timeline-item-time {
  font-size: 11px;
  color: var(--color-text-light);
}

/* === Play Controls === */
.play-controls {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 600;
}

.play-btn {
  padding: 10px 24px;
  background: var(--color-accent);
  color: white;
  border: none;
  border-radius: 24px;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  font-family: var(--font-sans);
  transition: all 0.2s;
}

.play-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(0,0,0,0.35);
}

.play-btn.playing {
  background: #c0392b;
}

/* === Legend === */
.legend {
  position: fixed;
  bottom: 24px;
  left: 16px;
  background: var(--color-paper);
  padding: 12px 16px;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  z-index: 600;
  font-size: 12px;
  border: 1px solid var(--color-border);
}

.legend-title {
  font-weight: 700;
  margin-bottom: 6px;
  font-size: 12px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.legend-color {
  width: 14px; height: 4px;
  border-radius: 2px;
  display: inline-block;
}

/* === Leaflet Custom === */
.leaflet-popup-content-wrapper {
  border-radius: 8px !important;
  font-family: var(--font-sans) !important;
}

.leaflet-popup-content {
  margin: 12px 16px !important;
  font-size: 13px !important;
  line-height: 1.5 !important;
}

.popup-name {
  font-weight: 700;
  font-size: 14px;
}

.popup-name-en {
  font-size: 12px;
  color: #666;
}

.popup-time {
  font-size: 11px;
  color: #888;
  margin-top: 4px;
}

.popup-link {
  display: inline-block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--color-accent);
  cursor: pointer;
  text-decoration: underline;
}

/* Custom marker */
.stop-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px; height: 24px;
  border-radius: 50%;
  color: white;
  font-size: 11px;
  font-weight: 700;
  border: 2px solid white;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  transition: transform 0.2s;
}

.stop-marker:hover {
  transform: scale(1.3);
}

.stop-marker.start-marker,
.stop-marker.end-marker {
  width: 30px; height: 30px;
  font-size: 13px;
  border-width: 3px;
}

/* === Scrollbar === */
.toc-list::-webkit-scrollbar,
.detail-card::-webkit-scrollbar,
.timeline::-webkit-scrollbar,
.tab-content::-webkit-scrollbar {
  width: 6px;
}

.toc-list::-webkit-scrollbar-track,
.detail-card::-webkit-scrollbar-track,
.timeline::-webkit-scrollbar-track,
.tab-content::-webkit-scrollbar-track {
  background: transparent;
}

.toc-list::-webkit-scrollbar-thumb,
.detail-card::-webkit-scrollbar-thumb,
.timeline::-webkit-scrollbar-thumb,
.tab-content::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}