/**
 * Minigem LiDAR Explorer — Stylesheet
 * 
 * @author    Minigem (www.minigem.uk)
 * @copyright 2026 Minigem
 * @license   MIT License (https://opensource.org/licenses/MIT)
 * @version   1.0.0
 * @date      2026-03-22
 * @see       https://github.com/iteacher/lidar
 * 
 * Dark glassmorphism UI with responsive panels for terrain data visualization.
 * Designed for MapLibre GL JS map overlay with multiple control panels.
 */

/* ── Base ──────────────────────────────────────────────────────────────── */

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

:root {
  --bg: rgba(15, 15, 20, 0.85);
  --bg-solid: #0f0f14;
  --glass: rgba(25, 25, 35, 0.72);
  --glass-border: rgba(255, 255, 255, 0.08);
  --text: #e0e0e8;
  --text-dim: #8888a0;
  --accent: #00e5a0;
  --accent-dim: rgba(0, 229, 160, 0.18);
  --danger: #ff4466;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,0.5);
  font-family: 'Inter', 'SF Pro Text', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  color: var(--text);
  font-size: 13px;
}

body, html { width: 100%; height: 100%; overflow: hidden; background: var(--bg-solid); }

#map { width: 100%; height: 100%; position: absolute; top: 0; left: 0; }

/* Fullscreen: hide header chrome + info/coords, keep panels & handles */
body.fullscreen-mode #info-panel,
body.fullscreen-mode #coords-bar { display: none !important; }

body.fullscreen-mode #header {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: none;
  pointer-events: none;
}
body.fullscreen-mode #header > * { display: none !important; }
body.fullscreen-mode #btn-fullscreen {
  display: flex !important;
  pointer-events: auto;
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 200;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
body.fullscreen-mode #btn-reset-all {
  display: inline-flex !important;
  pointer-events: auto;
  position: fixed;
  top: 14px;
  right: 56px;
  z-index: 200;
}
body.fullscreen-mode .geology-legend {
  display: none !important;
}

/* ── Geology Legend Bar ───────────────────────────────────────────────── */

.geology-legend {
  position: fixed;
  top: 48px;
  left: 0;
  right: 0;
  height: 36px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  background: rgba(10, 20, 30, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 99;
  transform: translateY(-100%);
  transition: transform 0.25s ease-out;
}

.geology-legend.visible {
  transform: translateY(0);
}

.geology-legend.hidden {
  display: flex; /* keep in DOM for animation */
}

.geology-legend .legend-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-dim);
  white-space: nowrap;
}

.geology-legend .legend-items {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}

.geology-legend .legend-items::-webkit-scrollbar {
  display: none;
}

.legend-chip {
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.legend-chip .chip-swatch {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: var(--chip-color);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.legend-chip .chip-label {
  font-size: 10px;
  color: var(--text);
}

.geology-legend .legend-link {
  font-size: 9px;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
}

.geology-legend .legend-link:hover {
  text-decoration: underline;
}

/* Adjust panels when legend is visible */
body.geology-legend-visible #left-panel {
  top: 96px; /* 60px base + 36px legend */
}
body.geology-legend-visible #left-panel-handle {
  top: 112px; /* 76px base + 36px legend */
}

body.geology-legend-visible #controls-panel {
  top: 96px;
}
body.geology-legend-visible #right-panel-handle {
  top: 112px;
}

/* ── Header ───────────────────────────────────────────────────────────── */

#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 48px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 100;
}

#header .logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.5px;
}

#header .logo .icon { font-size: 18px; }

#header .logo .logo-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.header-spacer { flex: 1; }

.header-badge {
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* ── Reset All Button ──────────────────────────────────────────────── */

.reset-all-btn {
  height: 28px;
  padding: 0 10px;
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  background: transparent;
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  flex-shrink: 0;
  letter-spacing: 0.3px;
}
.reset-all-btn:hover {
  background: rgba(255, 68, 102, 0.12);
  border-color: rgba(255, 68, 102, 0.4);
  color: var(--danger);
}

/* ── Fullscreen Button ────────────────────────────────────────────────── */

.fullscreen-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  background: var(--glass);
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s;
  flex-shrink: 0;
}
.fullscreen-btn:hover { background: rgba(255,255,255,0.08); }
.fullscreen-btn.active {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Header Links ─────────────────────────────────────────────────────── */

.header-links {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 12px;
  padding-left: 12px;
  border-left: 1px solid var(--glass-border);
}

.header-link {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.15s;
}

.header-link:hover {
  color: var(--text);
}

.github-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  transition: background 0.15s, color 0.15s;
}

.github-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
}

.github-link svg {
  width: 16px;
  height: 16px;
}

/* ── Left Panel (Layers / Places) ─────────────────────────────────────── */

#left-panel {
  position: fixed;
  top: 60px;
  left: 12px;
  width: 290px;
  max-height: calc(100vh - 120px);
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 90;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: top 0.25s ease-out;
}

/* Tabs */

.panel-tabs {
  display: flex;
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
}

.tab-btn {
  flex: 1;
  padding: 10px 0;
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
  border-bottom: 2px solid transparent;
}

.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

.left-panel-content {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tab-content {
  display: none;
  overflow-y: auto;
  flex: 1;
  padding: 6px;
}

.tab-content.active { display: block; }

/* Layer groups */

.layer-group { margin-bottom: 2px; }

.layer-group-header {
  padding: 8px 10px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
  transition: color 0.15s;
}

.layer-group-header:hover { color: var(--text); }

.group-chevron {
  display: inline-block;
  width: 12px;
  font-size: 10px;
}

.layer-group.collapsed .layer-group-list { display: none; }

.layer-group-list { padding-left: 4px; }

/* Layer items */

.layer-item {
  padding: 4px 8px;
  border-radius: 6px;
  transition: background 0.1s;
}

.layer-item:hover { background: rgba(255,255,255,0.04); }

.layer-item.sat-toggle {
  padding: 8px 8px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--glass-border);
}

.layer-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 12px;
}

.layer-label input[type="checkbox"] {
  accent-color: var(--accent);
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.layer-name { flex: 1; font-weight: 500; }

.layer-res {
  font-size: 9px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.4px;
  flex-shrink: 0;
}

.layer-opacity-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0 2px 22px;
}

.layer-opacity-row.hidden { display: none; }

.layer-opacity {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  outline: none;
}

.layer-opacity::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg-solid);
}

.opacity-val {
  font-size: 10px;
  color: var(--accent);
  font-weight: 600;
  min-width: 28px;
  text-align: right;
}

/* Places search & favorites toolbar */

.places-toolbar {
  display: flex;
  gap: 6px;
  padding: 8px 10px 6px;
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--panel);
}

.places-search-wrap {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.places-search-icon {
  position: absolute;
  left: 8px;
  color: var(--text-dim);
  pointer-events: none;
}

#places-search {
  width: 100%;
  padding: 5px 8px 5px 26px;
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-size: 11px;
  outline: none;
  transition: border-color 0.15s;
}

#places-search::placeholder { color: var(--text-dim); opacity: 0.6; }
#places-search:focus { border-color: var(--accent); }

.places-fav-btn {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  background: rgba(255,255,255,0.04);
  color: var(--text-dim);
  font-size: 14px;
  cursor: pointer;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.places-fav-btn:hover { color: #f9ca24; border-color: rgba(249, 202, 36, 0.3); }
.places-fav-btn.active { color: #f9ca24; background: rgba(249, 202, 36, 0.12); border-color: rgba(249, 202, 36, 0.3); }

/* Star on place cards */

.place-star {
  flex-shrink: 0;
  background: none;
  border: none;
  color: rgba(255,255,255,0.15);
  font-size: 14px;
  cursor: pointer;
  padding: 2px;
  line-height: 1;
  transition: color 0.15s, transform 0.15s;
}

.place-star:hover { color: rgba(249, 202, 36, 0.5); transform: scale(1.2); }
.place-star.active { color: #f9ca24; }

/* Hidden utility */

.place-card.hidden,
.place-category.hidden { display: none; }

/* Place categories */

.place-category { margin-bottom: 2px; }

.place-cat-header {
  padding: 8px 10px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color 0.15s;
}

.place-cat-header:hover { color: var(--text); }

.cat-chevron {
  display: inline-block;
  width: 12px;
  font-size: 10px;
}

.cat-count {
  margin-left: auto;
  font-size: 9px;
  padding: 1px 6px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  color: var(--text-dim);
}

.place-category.collapsed .place-list { display: none; }

.place-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}

.place-card:hover { background: rgba(255,255,255,0.06); }

.place-card.active {
  background: var(--accent-dim);
  border-left: 3px solid var(--accent);
}

.place-icon { font-size: 20px; flex-shrink: 0; }
.place-info { flex: 1; min-width: 0; }
.place-name { font-weight: 600; font-size: 12px; }
.place-sub  { font-size: 10px; color: var(--text-dim); margin-top: 1px; }

.place-res {
  flex-shrink: 0;
  font-size: 9px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 8px;
  background: rgba(0, 229, 160, 0.15);
  color: var(--accent);
  white-space: nowrap;
  align-self: center;
}

/* ── Right Panel — Toolbar ─────────────────────────────────────────────── */

#controls-panel {
  position: fixed;
  top: 60px;
  right: 50px;
  width: 300px;
  max-height: calc(100vh - 120px);
  overflow: hidden;
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 90;
  display: flex;
  flex-direction: column;
  transition: top 0.25s ease-out;
}

#controls-panel #toolbar {
  overflow-y: auto;
  overflow-x: hidden;
  flex: 1;
  position: relative;
}

/* Scroll indicators */
.scroll-indicator {
  position: absolute;
  left: 0;
  right: 0;
  height: 28px;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 100;
}

.scroll-indicator.visible {
  opacity: 1;
}

.scroll-indicator-top {
  top: 0;
  background: linear-gradient(to bottom, rgba(10, 20, 35, 0.95) 0%, transparent 100%);
}

.scroll-indicator-bottom {
  bottom: 0;
  background: linear-gradient(to top, rgba(10, 20, 35, 0.95) 0%, transparent 100%);
}

.scroll-indicator-icon {
  font-size: 12px;
  color: var(--text-dim);
  animation: scroll-bounce 1.5s ease-in-out infinite;
}

.scroll-indicator-top .scroll-indicator-icon {
  animation-name: scroll-bounce-up;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

@keyframes scroll-bounce-up {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.panel-header {
  padding: 12px 14px 8px;
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--glass-border);
}

/* Toolbar */

#toolbar {
  padding: 12px 16px 12px 12px;
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.slider-row label {
  font-size: 11px;
  min-width: 72px;
  flex-shrink: 0;
  color: var(--text-dim);
}

.slider-row input[type=range] {
  flex: 1;
  max-width: 110px;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  outline: none;
}

.slider-row input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg-solid);
  margin-top: -5px;
}

.slider-row input[type=range]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,0.1);
}

.slider-row .slider-val {
  font-size: 11px;
  font-weight: 600;
  min-width: 36px;
  text-align: right;
  color: var(--accent);
}

.slider-group-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
  margin: 14px 0 8px;
  padding-top: 10px;
  border-top: 1px solid var(--glass-border);
}

.slider-group-label:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.tool-btns {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tool-btn {
  flex: 1 1 calc(50% - 6px);
  padding: 7px 0;
  text-align: center;
  font-size: 11px;
  font-weight: 500;
  border: 1px solid var(--glass-border);
  border-radius: 7px;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
}

.tool-btn:hover { background: rgba(255,255,255,0.06); color: var(--text); }
.tool-btn.active { background: rgba(0,229,160,0.12); border-color: rgba(0,229,160,0.4); color: var(--accent); }

/* ── Info Panel ───────────────────────────────────────────────────────── */

#info-panel {
  position: fixed;
  bottom: 48px;
  left: 284px;
  width: 320px;
  max-height: 260px;
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 90;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

#info-panel.collapsed { max-height: 36px; }

#info-toggle {
  display: block;
  width: 100%;
  padding: 9px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
  background: transparent;
  border: none;
  cursor: pointer;
  border-bottom: 1px solid var(--glass-border);
}

#info-body { padding: 10px 14px; overflow-y: auto; max-height: 212px; }
#info-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
#info-desc  { font-size: 12px; color: var(--text-dim); line-height: 1.5; margin-bottom: 10px; }

#info-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 12px;
  margin-bottom: 10px;
}

.stat-label { font-size: 10px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-value { font-size: 13px; font-weight: 600; color: var(--accent); }

#info-sources { font-size: 11px; color: var(--text-dim); }
#info-sources a { color: var(--accent); text-decoration: none; }
#info-sources a:hover { text-decoration: underline; }

/* ── Active Layer Count Badge ─────────────────────────────────────────── */

#active-layer-count {
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--bg-solid);
  font-weight: 700;
}

#active-layer-count.hidden { display: none; }

/* ── Coordinate Bar ───────────────────────────────────────────────────── */

#coords-bar {
  position: fixed;
  bottom: 8px;
  right: 12px;
  display: flex;
  gap: 12px;
  padding: 6px 14px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  font-size: 11px;
  color: #d0d0e0;
  z-index: 80;
  font-variant-numeric: tabular-nums;
}

/* ── POI Markers ──────────────────────────────────────────────────────── */

.poi-marker { cursor: pointer; pointer-events: auto; }

.poi-dot {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border: 2px solid rgba(0,0,0,0.5);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(0,229,160,0.5);
  margin: 0 auto 4px;
}

.poi-label {
  background: rgba(10,10,15,0.85);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.08);
}

.poi-elev {
  display: block;
  font-size: 9px;
  color: var(--accent);
  font-weight: 500;
  margin-top: 1px;
}

/* ── Loading Screen ───────────────────────────────────────────────────── */

#loading-screen {
  position: fixed;
  inset: 0;
  background: var(--bg-solid);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s;
}

#loading-screen.fade-out { opacity: 0; pointer-events: none; }

.loader-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  object-fit: contain;
}

.loader-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.loader-bar {
  margin-top: 20px;
  width: 180px;
  height: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}

.loader-bar-inner {
  width: 40%;
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  animation: loaderSlide 1.2s ease-in-out infinite;
}

@keyframes loaderSlide {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ── MapLibre Overrides ───────────────────────────────────────────────── */

.maplibregl-ctrl-group {
  background: var(--glass) !important;
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border) !important;
  border-radius: 8px !important;
  box-shadow: var(--shadow) !important;
}

.maplibregl-ctrl-group button {
  background-color: transparent !important;
  border-color: var(--glass-border) !important;
}

.maplibregl-ctrl-group button:hover {
  background-color: rgba(255,255,255,0.06) !important;
}

.maplibregl-ctrl-group button + button {
  border-top-color: var(--glass-border) !important;
}

/* Compass needle styling */
.maplibregl-ctrl-compass .maplibregl-ctrl-icon {
  filter: brightness(1.3) contrast(1.2);
}

.maplibregl-ctrl-bottom-right {
  bottom: 36px !important;
  right: 8px !important;
}

/* Orbit mode indicator */
.orbit-mode .maplibregl-canvas-container {
  cursor: grab !important;
}
.orbit-mode .maplibregl-canvas-container:active {
  cursor: grabbing !important;
}

/* Reposition orbit control relative to MapLibre nav controls */
.maplibregl-ctrl-bottom-right .maplibregl-ctrl-group {
  margin-bottom: 4px;
}

.maplibregl-ctrl-scale {
  background: rgba(0, 0, 0, 0.55) !important;
  backdrop-filter: blur(8px);
  border-color: #d0d0e0 !important;
  color: #d0d0e0 !important;
  font-size: 10px !important;
  border-radius: 4px !important;
  padding: 2px 6px !important;
}

/* ── Scrollbar ────────────────────────────────────────────────────────── */

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ── Panel Slide Transitions ───────────────────────────────────────── */

#left-panel {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

#left-panel.panel-hidden {
  transform: translateX(calc(-100% - 24px));
  opacity: 0;
  pointer-events: none;
}

#controls-panel {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

#controls-panel.panel-hidden {
  transform: translateX(calc(100% + 24px));
  opacity: 0;
  pointer-events: none;
}

/* ── Panel Handles ────────────────────────────────────────────────── */

.panel-handle {
  position: fixed;
  z-index: 95;
  width: 20px;
  height: 48px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: var(--text-dim);
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow);
}

.panel-handle:hover {
  background: rgba(0, 229, 160, 0.12);
  border-color: rgba(0, 229, 160, 0.3);
  color: var(--accent);
}

.panel-handle-left {
  top: 76px;
  left: 303px;
  border-radius: 0 8px 8px 0;
  border-left: none;
}

.panel-handle-left.handle-collapsed {
  left: 0;
  border-left: 1px solid var(--glass-border);
  border-radius: 0 8px 8px 0;
}

.panel-handle-right {
  top: 76px;
  right: 351px;
  border-radius: 8px 0 0 8px;
  border-right: none;
}

.panel-handle-right.handle-collapsed {
  right: 0;
  border-right: 1px solid var(--glass-border);
  border-radius: 8px 0 0 8px;
}

/* ── View Mode Buttons ────────────────────────────────────────────── */

.view-mode-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
  margin-bottom: 6px;
}

.view-mode-btns .view-btn:nth-child(5) {
  grid-column: 1 / -1; /* Time Lapse spans full width */
}

.view-btn {
  padding: 7px 4px;
  font-size: 11px;
  font-weight: 500;
  text-align: center;
  border: 1px solid var(--glass-border);
  border-radius: 7px;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.view-btn:hover { background: rgba(255,255,255,0.06); color: var(--text); }
.view-btn.active { background: rgba(0,229,160,0.12); border-color: rgba(0,229,160,0.4); color: var(--accent); }

/* Time Lapse button special styling */
#btn-timelapse {
  background: linear-gradient(135deg, rgba(0, 46, 74, 0.3), rgba(196, 165, 116, 0.2));
}
#btn-timelapse:hover {
  background: linear-gradient(135deg, rgba(0, 46, 74, 0.5), rgba(196, 165, 116, 0.3));
}
#btn-timelapse.active {
  background: linear-gradient(135deg, rgba(0, 229, 160, 0.15), rgba(196, 165, 116, 0.2));
  border-color: var(--accent);
}

/* ── Altitude Band ────────────────────────────────────────────────── */

.altitude-band-row {
  display: flex;
  gap: 6px;
  margin-bottom: 4px;
}

.altitude-band-row .tool-btn {
  flex: 1;
}

.altitude-info {
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-dim);
  border-radius: 6px;
  padding: 6px 10px;
  margin-bottom: 8px;
  text-align: center;
  font-weight: 600;
}

.altitude-info.hidden { display: none; }

.slider-row.hidden { display: none; }

.altitude-band-row.hidden { display: none; }

.altitude-select-rect {
  position: absolute;
  border: 2px dashed var(--accent);
  background: rgba(0, 229, 160, 0.08);
  pointer-events: none;
  z-index: 50;
}

/* ── Sea Level Controls ──────────────────────────────────────────────── */

.sea-level-section { padding: 0; }

.sea-level-toggle-row {
  display: flex;
  gap: 6px;
}

.sea-level-toggle-row .tool-btn {
  flex: 1;
}

.sea-toggle-btn.active {
  background: rgba(0, 130, 200, 0.15);
  border-color: rgba(0, 130, 200, 0.4);
  color: #4dc8ff;
}

#btn-altitude-sea.active {
  background: rgba(0, 130, 200, 0.15);
  border-color: rgba(0, 130, 200, 0.4);
  color: #4dc8ff;
}

.sea-level-body {
  margin-top: 6px;
  padding: 8px;
  background: rgba(0, 130, 200, 0.06);
  border: 1px solid rgba(0, 130, 200, 0.12);
  border-radius: 8px;
}
.sea-level-body.hidden { display: none; }

.sea-level-controls {
  margin-bottom: 8px;
}

.sea-timeline-block {
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.sea-timeline-header {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.sea-timeline-range {
  width: 100%;
  margin: 0;
}

.sea-timeline-ticks {
  display: flex;
  justify-content: space-between;
  font-size: 8px;
  color: var(--text-dim);
  margin-top: 2px;
  padding: 0 2px;
  user-select: none;
}

.sea-timeline-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 6px;
  padding: 5px 8px;
  background: rgba(0, 130, 200, 0.12);
  border: 1px solid rgba(0, 130, 200, 0.20);
  border-radius: 6px;
}

.sea-year {
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
}

.sea-metres {
  font-size: 12px;
  font-weight: 700;
  color: #4dc8ff;
  font-variant-numeric: tabular-nums;
}

.sea-dataset {
  font-size: 8px;
  color: var(--text-dim);
  margin-top: 4px;
  text-align: center;
  font-style: italic;
}

/* ── Orbit Control (map overlay) ─────────────────────────────────────── */

.orbit-control {
  width: 29px;
  height: 29px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--glass-border);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
}

.orbit-control:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text);
}

.orbit-control.active {
  background: rgba(0,229,160,0.15);
  border-color: rgba(0,229,160,0.4);
  color: var(--accent);
}

/* ── LiDAR Info Text ──────────────────────────────────────────────── */

.lidar-info-text {
  font-size: 11px;
  color: var(--text-dim);
  padding: 8px 10px;
  line-height: 1.5;
}

/* ── Resources Panel ──────────────────────────────────────────────── */

.resources-info-text {
  padding: 10px 12px;
  background: linear-gradient(135deg, rgba(139, 90, 43, 0.15), rgba(80, 60, 30, 0.1));
  border-radius: 6px;
  margin-bottom: 12px;
  border-left: 3px solid #b87333;
}

.resources-header {
  font-size: 12px;
  font-weight: 600;
  color: #d4a574;
  margin-bottom: 6px;
}

.resources-desc {
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.5;
}

.resources-source {
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.resources-source a {
  font-size: 10px;
  color: var(--accent);
  text-decoration: none;
}

.resources-source a:hover {
  text-decoration: underline;
}

.resource-category {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 6px;
  padding: 10px 12px;
  margin-bottom: 10px;
  border: 1px solid var(--glass-border);
}

.resource-cat-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.resource-icon {
  font-size: 16px;
}

.resource-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.resource-category .resource-desc {
  font-size: 10px;
  color: var(--text-dim);
  margin-bottom: 8px;
  padding-left: 24px;
}

.resource-layers {
  padding-left: 8px;
}

.resource-layer-item {
  padding: 4px 0;
}

.resource-layer-item .layer-name {
  font-size: 11px;
}

.resource-layer-item .layer-resolution {
  font-size: 9px;
  color: var(--text-dim);
  margin-left: auto;
}

.resources-legend {
  margin-top: 16px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 6px;
  border: 1px solid var(--glass-border);
}

.resources-legend .legend-header {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.resources-legend .legend-item {
  font-size: 10px;
  color: var(--text-dim);
  padding: 2px 0;
  padding-left: 10px;
  position: relative;
}

.resources-legend .legend-item::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ── Earth Time Lapse ─────────────────────────────────────────────────── */

.timelapse-section {
  padding: 14px 12px;
  background: rgba(0, 30, 60, 0.3);
  border-radius: 6px;
  margin-bottom: 12px;
}

.timelapse-section.hidden {
  display: none;
}

.timelapse-section-title {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.timelapse-time-display {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.timelapse-time {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.timelapse-era {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(103, 197, 202, 0.2);
  color: #67c5ca;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.timelapse-era.cenozoic { background: rgba(249, 230, 0, 0.2); color: #f9e600; }
.timelapse-era.mesozoic { background: rgba(103, 197, 202, 0.2); color: #67c5ca; }
.timelapse-era.paleozoic { background: rgba(153, 192, 141, 0.2); color: #99c08d; }
.timelapse-era.neoproterozoic { background: rgba(253, 180, 98, 0.2); color: #fdb462; }
.timelapse-era.mesoproterozoic { background: rgba(251, 128, 114, 0.2); color: #fb8072; }

.timelapse-slider-row {
  margin-bottom: 6px;
}

.timelapse-range {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: linear-gradient(to right, 
    #f9e600 0%, #f9e600 6.6%,
    #67c5ca 6.6%, #67c5ca 25.2%,
    #99c08d 25.2%, #99c08d 54.1%,
    #fdb462 54.1%, #fdb462 100%
  );
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.timelapse-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--text);
  border: 2px solid var(--bg-solid);
  border-radius: 50%;
  cursor: grab;
  box-shadow: 0 2px 6px rgba(0,0,0,0.4);
}

.timelapse-range::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.1);
}

.timelapse-markers {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  letter-spacing: 0.3px;
  color: var(--text-dim);
  margin-bottom: 10px;
  padding: 0 2px;
}

.timelapse-event {
  font-size: 11px;
  color: var(--accent);
  text-align: center;
  min-height: 16px;
  margin: 6px 0 16px;
  font-weight: 600;
}

/* VS Code style toast notification */
.toast-notification {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 320px;
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  padding: 14px 16px;
  display: flex;
  gap: 12px;
  z-index: 1000;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
}

.toast-notification.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.toast-icon {
  font-size: 24px;
  flex-shrink: 0;
  line-height: 1;
}

.toast-content {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.toast-message {
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.toast-progress-track {
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 6px;
}

.toast-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent) 0%, #4fd1c5 100%);
  border-radius: 2px;
  transition: width 0.15s ease-out;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s ease;
}

.modal.hidden {
  opacity: 0;
  pointer-events: none;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--surface);
  border-radius: 12px;
  padding: 24px 28px;
  max-width: 480px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
}

.modal-content h2 {
  margin: 0 0 20px 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
}

.modal-body h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin: 16px 0 8px 0;
}

.modal-body h3:first-child {
  margin-top: 0;
}

.modal-body p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
  margin: 0;
}

.modal-body a {
  color: var(--accent);
  text-decoration: none;
}

.modal-body a:hover {
  text-decoration: underline;
}

.toast-progress-text {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  text-align: right;
}

.timelapse-ctrl-btn.loading,
.timelapse-ctrl-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.timelapse-controls {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 14px;
}

.timelapse-ctrl-btn {
  width: 32px;
  height: 32px;
  min-width: 32px;
  flex-shrink: 0;
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.timelapse-ctrl-btn:hover {
  background: rgba(255,255,255,0.08);
}

.timelapse-ctrl-btn.play-btn {
  width: 32px;
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.timelapse-ctrl-btn.play-btn:hover {
  background: rgba(0, 229, 160, 0.25);
}

.timelapse-ctrl-btn.play-btn.playing {
  background: rgba(255, 68, 102, 0.15);
  border-color: var(--danger);
  color: var(--danger);
}

.timelapse-model-select {
  flex: 1;
  min-width: 0;
  height: 32px;
  padding: 0 8px;
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  background: rgba(255,255,255,0.05);
  color: var(--text);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  outline: none;
}

.timelapse-model-select:focus {
  border-color: var(--accent);
}

.timelapse-speed-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.timelapse-speed-row label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
  width: 40px;
}

.timelapse-speed-row .slider-val {
  font-size: 11px;
  font-weight: 600;
  min-width: 28px;
  text-align: right;
  color: var(--accent);
}

.timelapse-speed-row input[type="range"] {
  flex: 1;
}

.timelapse-options-row {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--glass-border);
}

.timelapse-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.timelapse-toggle input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
  cursor: pointer;
}

.timelapse-toggle-label {
  font-size: 11px;
  color: var(--text-dim);
}

.timelapse-toggle:hover .timelapse-toggle-label {
  color: var(--text);
}

/* ── Responsive ───────────────────────────────────────────────────────── */

@media (max-width: 800px) {
  #left-panel { display: none; }
  .panel-handle-left { display: none; }
  #controls-panel { width: 220px; }
  .panel-handle-right { right: 233px; }
  #info-panel { left: 12px; width: calc(100vw - 200px); }
}