/* ─────────────────────────────────────────────────────────────
   map.css — Du Fu Route Leaflet Map Prototype
   Phase 6B — 杜甫诗路真实地图原型
   风格：深色背景 + 米白文字 + 土黄强调色，与主页面一致
───────────────────────────────────────────────────────────── */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg-primary:    #1a1814;   /* 墨黑，深褐底 */
  --bg-secondary:  #252219;   /* 微深土黄底 */
  --bg-card:      #2e2b22;   /* 卡片背景 */
  --text-primary: #f0ead6;   /* 米白 */
  --text-secondary:#b8ad8c;   /* 暗米黄 */
  --accent:       #c8874a;   /* 土黄强调 */
  --accent-dark:  #8a5c30;   /* 深土黄 */
  --accent-red:   #8b4049;   /* 暗红 */
  --accent-teal:  #4a6b6b;   /* 深青 */
  --border:       #3d3829;   /* 边框 */
  --border-light: #4a4535;   /* 浅边框 */
  --shadow:       rgba(0,0,0,0.45);

  --font-heading: "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
  --font-body:    "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  --map-height:   640px;
  --detail-min:   320px;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Header ─────────────────────────────────────────────────── */
.map-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 1.25rem 1.25rem;
}

.map-header-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.map-header h1 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  margin-bottom: 0.3rem;
}

.map-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.6rem;
}

.map-disclaimer {
  font-size: 0.8rem;
  color: var(--accent-red);
  background: rgba(139,64,73,0.12);
  border: 1px solid rgba(139,64,73,0.25);
  border-radius: 6px;
  padding: 0.55rem 0.85rem;
  margin-bottom: 0.75rem;
  max-width: 800px;
  line-height: 1.5;
}

.back-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--accent-dark);
  border-radius: 5px;
  padding: 0.3rem 0.85rem;
  transition: background 0.2s, color 0.2s;
}

.back-link:hover {
  background: var(--accent-dark);
  color: var(--text-primary);
}

.map-top-links {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.6rem;
}

.map-top-links a {
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.25rem 0.7rem;
  transition: all 0.2s;
}

.map-top-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Main ───────────────────────────────────────────────────── */
.map-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 1.25rem 2rem;
}

/* ── Stage Filters ──────────────────────────────────────────── */
.map-stage-filters {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border-light) transparent;
}

.stage-chip {
  flex-shrink: 0;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.82rem;
  font-family: var(--font-body);
  padding: 0.3rem 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.stage-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.stage-chip.active {
  background: var(--accent-dark);
  border-color: var(--accent);
  color: var(--text-primary);
}

/* ── Map Layout ─────────────────────────────────────────────── */
.map-layout {
  display: grid;
  grid-template-columns: 1fr var(--detail-min);
  gap: 1rem;
  align-items: start;
}

.map-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

#dufu-real-map {
  height: var(--map-height);
  background: #2a3028; /* 深绿灰底，模拟地形 */
}

/* ── Detail Panel ──────────────────────────────────────────── */
.map-detail {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-height: var(--map-height);
  overflow-y: auto;
  max-height: var(--map-height);
  position: sticky;
  top: 1rem;
}

.detail-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 280px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
  padding: 2rem 1.25rem;
}

/* ── Detail Card (injected by JS) ───────────────────────────── */
.detail-card {
  padding: 1.25rem 1.25rem 1.5rem;
}

.detail-card .detail-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.detail-card .detail-modern {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.85rem;
}

.detail-card .detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

.detail-tag {
  font-size: 0.72rem;
  border-radius: 4px;
  padding: 0.15rem 0.55rem;
  border: 1px solid;
}

.detail-tag--accuracy-city    { color: var(--accent);       border-color: var(--accent);       background: rgba(200,135,74,0.1); }
.detail-tag--accuracy-district{ color: var(--accent-teal);  border-color: var(--accent-teal);  background: rgba(74,107,107,0.1); }
.detail-tag--accuracy-scenic  { color: var(--accent-dark);  border-color: var(--accent-dark);  background: rgba(138,92,48,0.1); }
.detail-tag--accuracy-approx  { color: #a08060;             border-color: #a08060;             background: rgba(160,128,96,0.1); }
.detail-tag--accuracy-disputed{ color: var(--accent-red);   border-color: var(--accent-red);   background: rgba(139,64,73,0.1); }
.detail-tag--stage            { color: var(--text-secondary); border-color: var(--border-light); background: transparent; }

.detail-section {
  margin-bottom: 1rem;
}

.detail-section-title {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}

.detail-section p,
.detail-section li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.detail-note {
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.03);
  border-left: 3px solid var(--border-light);
  padding: 0.5rem 0.75rem;
  border-radius: 0 4px 4px 0;
  margin-bottom: 0.85rem;
  line-height: 1.6;
}

.detail-poems {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.detail-poems li {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.4rem 0.7rem;
  font-size: 0.82rem;
  color: var(--text-primary);
}

.detail-poems li:hover {
  border-color: var(--accent-dark);
  background: rgba(200,135,74,0.06);
}

.detail-empty {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-style: italic;
}

/* ── Leaflet Popup Override ─────────────────────────────────── */
.leaflet-popup-content-wrapper {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: 8px !important;
  box-shadow: 0 4px 16px var(--shadow) !important;
  color: var(--text-primary) !important;
}

.leaflet-popup-content {
  margin: 0.85rem 1rem !important;
  font-family: var(--font-body) !important;
  font-size: 0.85rem !important;
  color: var(--text-primary) !important;
}

.leaflet-popup-tip {
  background: var(--bg-card) !important;
}

.leaflet-popup-close-button {
  color: var(--text-secondary) !important;
  font-size: 18px !important;
  top: 6px !important;
  right: 8px !important;
}

.leaflet-popup-close-button:hover {
  color: var(--text-primary) !important;
}

/* Popup inner content */
.popup-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
  color: var(--text-primary);
}

.popup-modern {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.popup-stage-badge {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.1rem 0.5rem;
  border-radius: 10px;
  background: rgba(200,135,74,0.15);
  border: 1px solid var(--accent-dark);
  color: var(--accent);
  margin-bottom: 0.5rem;
}

/* ── Loading / Error States ────────────────────────────────── */
.map-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 300px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.map-error {
  background: rgba(139,64,73,0.12);
  border: 1px solid rgba(139,64,73,0.3);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  color: var(--accent-red);
  font-size: 0.85rem;
  margin: 1rem 0;
}

/* ── CSS DivIcon Markers (Phase 6C-R) ────────────────────────── */
.dufu-div-marker {
  background: transparent;
  border: 0;
}

.dufu-div-marker-dot {
  display: block;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: #c9934b;
  border: 2px solid #f5e6c8;
  box-shadow:
    0 0 0 4px rgba(201, 147, 75, 0.22),
    0 6px 16px rgba(0, 0, 0, 0.42);
}

.dufu-div-marker.accuracy-city .dufu-div-marker-dot {
  background: #c9934b;
}

.dufu-div-marker.accuracy-district .dufu-div-marker-dot {
  background: #b98545;
}

.dufu-div-marker.accuracy-scenic .dufu-div-marker-dot {
  background: #6fa37b;
}

.dufu-div-marker.accuracy-approximate .dufu-div-marker-dot,
.dufu-div-marker.accuracy-disputed .dufu-div-marker-dot {
  background: #9f715a;
  border-style: dashed;
}

.dufu-div-marker.is-active .dufu-div-marker-dot {
  transform: scale(1.25);
  background: #e0a64c;
  box-shadow:
    0 0 0 6px rgba(224, 166, 76, 0.30),
    0 8px 20px rgba(0, 0, 0, 0.5);
}

/* ── Map Detail Empty State / Intro (Phase 6D) ───────────────── */
.map-detail-empty {
  padding: 2rem 1.5rem;
}

.map-detail-empty .detail-kicker {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.map-detail-empty h2 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 1rem;
  line-height: 1.3;
}

.map-detail-empty p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0 0 0.75rem;
}

.map-detail-empty p strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ── Map Legend ──────────────────────────────────────────────── */
.map-legend {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

.map-legend p.legend-title {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin: 0 0 0.75rem;
}

.map-legend > div {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.45rem;
}

.legend-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  border: 1.5px solid #f5e6c8;
  background: #c9934b;
  flex-shrink: 0;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.legend-dot.accuracy-city    { background: #c9934b; }
.legend-dot.accuracy-district { background: #b98545; }
.legend-dot.accuracy-scenic   { background: #6fa37b; border-style: dashed; border-color: rgba(245,230,200,0.5); }
.legend-dot.accuracy-approximate { background: #9f715a; border-style: dashed; border-color: rgba(245,230,200,0.5); }

/* ── Stage Chip Counts ────────────────────────────────────────── */
.chip-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.4em;
  padding: 0 0.3em;
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  margin-left: 0.25em;
  vertical-align: middle;
  line-height: 1.4;
  color: var(--text-secondary);
}

.stage-chip.active .chip-count {
  background: rgba(var(--accent-rgb, 200,135,74), 0.25);
  color: var(--accent, #c9934b);
}

/* Mobile legend wrap */
@media (max-width: 480px) {
  .map-legend > div {
    flex-wrap: wrap;
  }
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --map-height: 520px;
  }

  .map-header h1 {
    font-size: 1.25rem;
  }

  .map-layout {
    grid-template-columns: 1fr;
  }

  .map-detail {
    min-height: auto;
    max-height: none;
    position: static;
  }
}

@media (max-width: 480px) {
  :root {
    --map-height: 460px;
  }

  .map-main {
    padding: 0.75rem 0.75rem 1.5rem;
  }

  .map-header {
    padding: 1rem 0.75rem;
  }
}