/* ==========================================================================
   VIETNAM DIGITAL GEOATLAS 3D - MODERN GLASSMORPHIC GIS THEME
   Ponytail-aligned: Zero heavy css libraries, 100% native modern CSS
   ========================================================================== */

:root {
  --bg-deep: #070d18;
  --bg-glass: rgba(13, 23, 42, 0.78);
  --bg-card: rgba(22, 36, 65, 0.65);
  --border-glass: rgba(255, 255, 255, 0.12);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-cyan: #38bdf8;
  --accent-gold: #f59e0b;
  --accent-emerald: #10b981;
  --accent-purple: #a855f7;
  --accent-rose: #f43f5e;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-lg: 0 12px 36px -4px rgba(0, 0, 0, 0.55);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body, html {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-deep);
  color: var(--text-main);
}

/* App Layout */
#appLayout {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header & Top Bar */
.top-navbar {
  position: absolute;
  top: 14px;
  left: 16px;
  right: 16px;
  height: 64px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 30;
  box-shadow: var(--shadow-lg);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.brand-logo-img {
  height: 38px;
  width: auto;
  max-width: 52px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.15;
}

.brand-company {
  font-size: 10px;
  font-weight: 800;
  color: var(--accent-gold);
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.brand-title {
  font-size: 15.5px;
  font-weight: 800;
  letter-spacing: -0.2px;
  background: linear-gradient(135deg, #ffffff 40%, var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.18);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  gap: 6px;
}

.nav-tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 13.5px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-tab:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
}

.nav-tab.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.35), rgba(14, 165, 233, 0.15));
  border: 1px solid rgba(56, 189, 248, 0.4);
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.25);
}

/* Controls: Language & Map Layers */
.top-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch {
  display: flex;
  background: rgba(0, 0, 0, 0.35);
  padding: 3px;
  border-radius: 20px;
  border: 1px solid var(--border-glass);
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-btn.active {
  background: var(--accent-cyan);
  color: #04101e;
  box-shadow: 0 2px 8px rgba(56, 189, 248, 0.4);
}

/* Voice Gender Switcher */
.voice-switch {
  display: flex;
}

.btn-voice-toggle {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-glass);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease;
}

.btn-voice-toggle:hover {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--accent-cyan);
}

.btn-drawer-voice-toggle {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-glass);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-drawer-voice-toggle:hover {
  background: var(--accent-cyan);
  color: #04101e;
}

/* Absolute Immunity for Roaming, Cosmic & Tour from Bottom Carousel Overlap */
body.roaming-active #bottomCarousel,
body.cosmic-active #bottomCarousel,
body.tour-active #bottomCarousel,
#roamContainer[style*="block"] ~ #bottomCarousel,
#cosmicContainer[style*="block"] ~ #bottomCarousel,
#tourHud[style*="block"] ~ #bottomCarousel {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}


/* Map 3D Viewport */
#mapContainer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.overlay-wind-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 5;
}

/* Sidebar Module Panel */
.sidebar-panel {
  position: absolute;
  top: 90px;
  left: 16px;
  bottom: 24px;
  width: 410px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 20px;
  z-index: 20;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
}

.sidebar-panel.is-collapsed {
  transform: translateX(calc(-100% - 32px));
  opacity: 0;
  pointer-events: none;
}

/* Floating Trigger when Sidebar is collapsed */
.btn-floating-sidebar {
  position: absolute;
  top: 90px;
  left: 16px;
  z-index: 22;
  display: none;
  align-items: center;
  gap: 8px;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-glass);
  color: #fff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45), 0 0 12px rgba(56, 189, 248, 0.25);
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-floating-sidebar.is-visible {
  display: flex;
  animation: fadeIn 0.25s ease-out;
}

.btn-floating-sidebar:hover {
  background: rgba(56, 189, 248, 0.25);
  border-color: var(--accent-cyan);
  box-shadow: 0 8px 28px rgba(56, 189, 248, 0.4);
  transform: translateY(-2px);
}

/* Sidebar Top Header Bar */
.sidebar-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-glass);
}

.sidebar-top-badge {
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.8px;
  color: var(--accent-cyan);
  text-transform: uppercase;
}

.btn-sidebar-collapse {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-size: 11.5px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-sidebar-collapse:hover {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--accent-cyan);
  color: #fff;
  transform: translateX(-2px);
}

.sidebar-panel::-webkit-scrollbar {
  width: 6px;
}
.sidebar-panel::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 3px;
}

.module-panel {
  display: none;
  flex-direction: column;
  gap: 16px;
}

.module-panel.active {
  display: flex;
}

/* Section Card */
.panel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 16px;
}

.panel-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-cyan);
}

.panel-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
}

.layer-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.layer-btn {
  flex: 1 1 calc(33% - 6px);
  min-width: 95px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-size: 11.5px;
  font-weight: 500;
  padding: 7px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.layer-btn.active {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--accent-cyan);
  color: #fff;
}

/* Slider Box */
.slider-box {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.slider-box-header {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

.slider-box input[type="range"] {
  width: 100%;
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

/* Canvas Graphs */
.graph-canvas {
  width: 100%;
  height: 160px;
  border-radius: var(--radius-sm);
  background: #091220;
  margin-top: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Monsoon Buttons */
.monsoon-toggle {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.monsoon-btn {
  flex: 1;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: all 0.2s;
}

.monsoon-btn.active {
  background: rgba(56, 189, 248, 0.25);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
}

/* Live Weather Card */
.live-weather-card {
  margin-top: 10px;
  background: rgba(2, 132, 199, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 12px;
  border-radius: var(--radius-sm);
}

.live-title {
  font-size: 13px;
  margin-bottom: 6px;
  color: var(--accent-cyan);
}

.live-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  font-size: 12px;
  color: #cbd5e1;
}

/* Population Pyramid Bars */
.pyramid-bars {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.pyramid-bar-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pyramid-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

.pyramid-track {
  width: 100%;
  height: 18px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 9px;
  overflow: hidden;
}

.pyramid-fill {
  height: 100%;
  border-radius: 9px;
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  font-size: 10px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 8px;
  color: #fff;
}

.fill-youth { background: #38bdf8; }
.fill-work { background: #10b981; }
.fill-elder { background: #f43f5e; }

/* Ethnic Groups Scroll */
.ethnic-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 220px;
  overflow-y: auto;
  margin-top: 10px;
}

.ethnic-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
}

.ethnic-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

.ethnic-badge {
  font-size: 11px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  padding: 1px 6px;
  border-radius: 8px;
  font-weight: 600;
}

.ethnic-family, .ethnic-area {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 3px;
}

/* Culture Zones */
.culture-zone-card {
  background: rgba(255, 255, 255, 0.04);
  border-left: 3px solid var(--accent-purple);
  padding: 10px 12px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 8px;
}

.culture-zone-card h4 {
  font-size: 13px;
  color: #c084fc;
  margin-bottom: 4px;
}

.culture-zone-card p {
  font-size: 12px;
  line-height: 1.45;
}

/* 3D Map Custom Marker Pins */
.custom-3d-pin {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transform: translate(-50%, -100%);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.custom-3d-pin:hover {
  transform: translate(-50%, -108%) scale(1.15);
  z-index: 99;
}

.pin-icon {
  font-size: 22px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.65));
}

.pin-label {
  margin-top: 2px;
  background: rgba(13, 23, 42, 0.88);
  border: 1px solid var(--border-glass);
  padding: 3px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
}

.pin-density-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  border: 2px solid #fff;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.6);
}

/* MapLibre Popup Styling */
.maplibregl-popup-content {
  background: var(--bg-glass) !important;
  backdrop-filter: blur(16px) !important;
  border: 1px solid var(--border-glass) !important;
  border-radius: var(--radius-md) !important;
  color: #fff !important;
  padding: 16px !important;
  max-width: 300px !important;
  box-shadow: var(--shadow-lg) !important;
}

.popup-card h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--accent-cyan);
}

.popup-region {
  font-size: 12px;
  color: var(--accent-gold);
  margin-bottom: 8px;
  font-weight: 500;
}

.popup-desc {
  font-size: 12.5px;
  color: #cbd5e1;
  line-height: 1.5;
  margin-bottom: 12px;
}

.popup-badge {
  display: inline-block;
  background: var(--accent-cyan);
  color: #04101e;
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 6px;
  margin-bottom: 8px;
}

.popup-actions {
  display: flex;
  gap: 8px;
}

.popup-actions button {
  flex: 1;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-fly {
  background: var(--accent-cyan);
  color: #04101e;
}
.btn-fly:hover {
  background: #7dd3fc;
}

.btn-listen {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid var(--border-glass) !important;
}
.btn-listen:hover {
  background: rgba(255, 255, 255, 0.22);
}

/* Guided Tour Floating HUD (Cue Card) */
.tour-hud {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: min(650px, 92vw);
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
  z-index: 60;
  display: none;
}

.tour-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.tour-badge {
  background: linear-gradient(135deg, var(--accent-cyan), #0284c7);
  color: #04101e;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
}

.tour-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

.tour-desc {
  font-size: 13px;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 14px;
}

.tour-nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tour-controls-left {
  display: flex;
  gap: 8px;
}

.btn-tour-nav {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-glass);
  color: #fff;
  padding: 6px 14px;
  font-size: 12.5px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-tour-nav:hover {
  background: rgba(255, 255, 255, 0.2);
}

.btn-tour-close {
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.35);
  color: var(--accent-rose);
  padding: 6px 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* Badge Tag */
.badge-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.08);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 6px;
  margin-right: 6px;
  margin-top: 4px;
  color: #cbd5e1;
}

/* Mobile responsive */
@media (max-width: 900px) {
  .top-navbar {
    height: auto;
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 14px;
  }
  .nav-tabs {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .sidebar-panel {
    top: 140px;
    width: calc(100vw - 32px);
    max-height: 45vh;
  }
}

/* ==========================================================================
   THREE.JS 3D VIEWPORTS & AVATAR ROAMING STYLES
   ========================================================================== */

.three-viewport {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: radial-gradient(circle at center, #0c182c 0%, #030712 100%);
}

.three-canvas-wrap {
  width: 100%;
  height: 100%;
  cursor: grab;
}

.three-canvas-wrap:active {
  cursor: grabbing;
}

/* Cosmic SVG Leader Lines & SGK Educational Labels Overlay */
.cosmic-svg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10;
}

.cosmic-labels-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 12;
}

.sgk-label-pill {
  position: absolute;
  pointer-events: auto;
  cursor: pointer;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(56, 189, 248, 0.5);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 18px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.6);
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
  user-select: none;
}

.sgk-label-pill:hover {
  background: rgba(56, 189, 248, 0.35);
  border-color: #38bdf8;
  transform: translate(-50%, -50%) scale(1.08);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.6);
}

.sgk-legend-card {
  position: absolute;
  bottom: 24px;
  left: 440px;
  width: 320px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  z-index: 25;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 11.5px;
  transition: all 0.32s cubic-bezier(0.16, 1, 0.3, 1);
}

body.sidebar-is-collapsed .sgk-legend-card {
  left: 24px;
}

@media (max-width: 1024px) {
  .sgk-legend-card {
    left: 16px;
    bottom: 80px;
    width: calc(100vw - 32px);
  }
}

/* Cosmic Camera Controls (Zoom In/Out/Reset/Focus VN) */
.cosmic-camera-controls {
  position: absolute;
  right: 24px;
  top: 85px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 30;
}

.cosmic-hud-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(56, 189, 248, 0.45);
  color: #fff;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  user-select: none;
}

.cosmic-hud-btn:hover {
  background: rgba(56, 189, 248, 0.35);
  border-color: #38bdf8;
  transform: scale(1.12);
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.65);
}

.cosmic-hud-btn:active {
  transform: scale(0.95);
}

@media (max-width: 768px) {
  .cosmic-camera-controls {
    right: 14px;
    top: 70px;
    gap: 8px;
  }
  .cosmic-hud-btn {
    width: 38px;
    height: 38px;
    font-size: 14px;
  }
}

.sgk-legend-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-legend-chip {
  background: rgba(56, 189, 248, 0.2);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: var(--accent-cyan);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-legend-chip:hover, .btn-legend-chip.active {
  background: var(--accent-cyan);
  color: #04101e;
}

.sgk-legend-body {
  display: flex;
  flex-direction: column;
  gap: 5px;
  line-height: 1.4;
  color: #cbd5e1;
}

.sgk-item {
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.sgk-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 3px;
}

/* Action Buttons */
.btn-action-primary {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.25), rgba(2, 132, 199, 0.35));
  border: 1px solid var(--accent-cyan);
  color: #fff;
  font-size: 12.5px;
  font-weight: 600;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.2);
}

.btn-action-primary:hover, .btn-action-primary.active {
  background: var(--accent-cyan);
  color: #04101e;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.5);
}

.btn-action-accent {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.25), rgba(217, 119, 6, 0.35));
  border: 1px solid var(--accent-gold);
  color: #fff;
  font-size: 12.5px;
  font-weight: 600;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-action-accent:hover {
  background: var(--accent-gold);
  color: #04101e;
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.5);
}

.btn-strata-mode {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  padding: 8px 12px;
  font-size: 11.5px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-strata-mode:hover, .btn-strata-mode.active {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--accent-cyan);
  color: #fff;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
}

/* Geological Strata Chips */
.strata-selector {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.strata-chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-left: 4px solid #fff;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  text-align: left;
  cursor: pointer;
  transition: all 0.2s;
}

.strata-chip:hover, .strata-chip.active {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  transform: translateX(4px);
}

/* Character Picker Grid */
.char-picker-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}

.char-select-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1.5px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  color: var(--text-muted);
  text-align: center;
}

.char-avatar-icon {
  font-size: 32px;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.4));
}

.char-select-btn strong {
  font-size: 13px;
  color: #fff;
}

.char-select-btn small {
  font-size: 11px;
  line-height: 1.3;
}

.char-select-btn:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-2px);
}

.char-select-btn.active {
  background: rgba(56, 189, 248, 0.18);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.35);
  color: #fff;
}

/* Environment Switcher */
.env-switcher {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.env-switch-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  padding: 9px 12px;
  font-size: 12.5px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-align: left;
  cursor: pointer;
  transition: all 0.2s;
}

.env-switch-btn:hover, .env-switch-btn.active {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--accent-cyan);
  color: #fff;
}

/* Roam Interaction Floating HUD */
.roam-interact-hud {
  position: absolute;
  top: 90px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1.5px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  z-index: 40;
  text-align: center;
  color: #fff;
  animation: pulseHud 1.8s infinite;
}

@keyframes pulseHud {
  0% { box-shadow: 0 0 10px rgba(56, 189, 248, 0.4); }
  50% { box-shadow: 0 0 25px rgba(56, 189, 248, 0.8); }
  100% { box-shadow: 0 0 10px rgba(56, 189, 248, 0.4); }
}

.btn-hud-interact {
  margin-top: 8px;
  display: block;
  width: 100%;
  background: var(--accent-cyan);
  color: #04101e;
  border: none;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-hud-interact:hover {
  background: #7dd3fc;
}

/* Mobile Virtual D-Pad */
.mobile-dpad {
  position: absolute;
  bottom: 24px;
  right: 24px;
  z-index: 50;
  display: flex;
  align-items: flex-end;
  gap: 20px;
  pointer-events: auto;
}

.dpad-cross {
  position: relative;
  width: 120px;
  height: 120px;
}

.dpad-btn {
  position: absolute;
  width: 38px;
  height: 38px;
  background: rgba(13, 23, 42, 0.85);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  color: #fff;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  box-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

.dpad-btn:active {
  background: var(--accent-cyan);
  color: #04101e;
}

.dpad-up { top: 0; left: 41px; }
.dpad-down { bottom: 0; left: 41px; }
.dpad-left { top: 41px; left: 0; }
.dpad-right { top: 41px; right: 0; }

.dpad-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.action-round-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(0,0,0,0.6);
  user-select: none;
  -webkit-user-select: none;
}

.btn-jump {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
}
.btn-jump:active {
  transform: scale(0.92);
}

.btn-interact {
  background: linear-gradient(135deg, var(--accent-cyan), #0284c7);
  color: #04101e;
}
.btn-interact:active {
  transform: scale(0.92);
}

@media (min-width: 901px) {
  /* On desktop, hide virtual D-pad unless user wants it */
  .mobile-dpad {
    opacity: 0.75;
    transform: scale(0.85);
    transform-origin: bottom right;
  }
}

/* ==========================================================================
   STAGE 10: ROAMING 3D UPGRADE (Top HUD, Compass, Altimeter, Toolkit, Modals)
   ========================================================================== */

/* 1. Top Fieldwork HUD */
.roam-top-hud {
  position: absolute;
  top: 72px;
  left: 20px;
  right: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
  z-index: 45;
}

.roam-top-hud > * {
  pointer-events: auto;
}

/* Digital Compass Widget */
.roam-compass-box {
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 6px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  transition: all 0.2s;
}

.compass-dial {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid rgba(56, 189, 248, 0.4);
  background: rgba(15, 23, 42, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
}

.compass-needle {
  position: absolute;
  width: 2px;
  height: 28px;
  background: linear-gradient(to bottom, #ef4444 50%, #f8fafc 50%);
  border-radius: 2px;
  transition: transform 0.1s linear;
  box-shadow: 0 0 6px rgba(239, 68, 68, 0.8);
}

.compass-cardinal {
  position: absolute;
  font-size: 8px;
  font-weight: 800;
  color: var(--text-muted);
}
.cardinal-n { top: 1px; color: #ef4444; }
.cardinal-e { right: 2px; }
.cardinal-s { bottom: 1px; }
.cardinal-w { left: 2px; }

.compass-readout {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
  min-width: 58px;
}

/* Altimeter & Barometer Pill */
.roam-altimeter-pill {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1.5px solid rgba(56, 189, 248, 0.35);
  border-radius: 30px;
  padding: 6px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.6);
}

.altimeter-col {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.alt-label {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.alt-val {
  font-size: 13px;
  font-weight: 800;
  color: #fff;
}

.altimeter-divider {
  width: 1px;
  height: 20px;
  background: var(--border-glass);
}

.roam-climate-badge {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
}

/* Top Right Controls */
.roam-top-right-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.roam-tod-switcher {
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 3px 5px;
  display: flex;
  gap: 4px;
}

.btn-tod-chip {
  background: transparent;
  border: none;
  font-size: 15px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.btn-tod-chip:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-tod-chip.active {
  background: rgba(56, 189, 248, 0.35);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.5);
}

.btn-cam-mode-toggle {
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  border: 1.5px solid var(--accent-cyan);
  color: #fff;
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.5);
  transition: all 0.2s;
}

.btn-cam-mode-toggle:hover {
  background: rgba(56, 189, 248, 0.25);
  transform: translateY(-1px);
}

/* 2. Specimen HUD */
.roam-specimen-hud {
  position: absolute;
  top: 135px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(16px);
  border: 1.5px solid #f59e0b;
  border-radius: var(--radius-md);
  padding: 12px 22px;
  text-align: center;
  color: #fff;
  z-index: 44;
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.4);
  animation: pulseSpecimen 1.8s infinite;
}

@keyframes pulseSpecimen {
  0% { box-shadow: 0 0 10px rgba(245, 158, 11, 0.4); }
  50% { box-shadow: 0 0 25px rgba(245, 158, 11, 0.8); }
  100% { box-shadow: 0 0 10px rgba(245, 158, 11, 0.4); }
}

.specimen-hud-badge {
  font-size: 10px;
  font-weight: 800;
  color: #f59e0b;
  letter-spacing: 0.6px;
  margin-bottom: 4px;
}

.btn-hud-collect {
  margin-top: 8px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #04101e;
  border: none;
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-hud-collect:hover {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  transform: scale(1.03);
}

/* 3. Roaming Toolkit Bar */
.roam-toolkit-bar {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 36px;
  padding: 6px 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 45;
  box-shadow: 0 12px 36px rgba(0,0,0,0.6);
}

.btn-toolkit {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  position: relative;
  transition: all 0.2s;
}

.btn-toolkit:hover, .btn-toolkit.active {
  background: rgba(56, 189, 248, 0.2);
  color: #fff;
}

.toolkit-badge {
  background: #f59e0b;
  color: #04101e;
  font-size: 10px;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 10px;
  margin-left: 2px;
}

.toolkit-divider {
  width: 1px;
  height: 22px;
  background: var(--border-glass);
  margin: 0 2px;
}

.btn-collect-mobile {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #04101e;
}

/* 4. Modals */
.specimen-modal, .field-notebook-modal, .postcard-modal {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(16px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.specimen-modal-card {
  background: #0f172a;
  border: 1.5px solid #f59e0b;
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 480px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.8), 0 0 30px rgba(245, 158, 11, 0.3);
  animation: zoomInModal 0.25s ease-out;
}

@keyframes zoomInModal {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

.specimen-modal-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.specimen-badge {
  font-size: 11px;
  font-weight: 800;
  color: #f59e0b;
  letter-spacing: 0.5px;
}

.specimen-close-btn, .notebook-close-btn, .postcard-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
}

.specimen-close-btn:hover, .notebook-close-btn:hover, .postcard-close-btn:hover {
  color: #fff;
}

.specimen-modal-body {
  padding: 20px;
  text-align: center;
}

.specimen-icon-large {
  font-size: 48px;
  margin-bottom: 12px;
  animation: floatSpecimen 2.4s ease-in-out infinite;
}

@keyframes floatSpecimen {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.specimen-modal-body h3 {
  font-size: 18px;
  color: #fff;
  margin-bottom: 8px;
}

.specimen-meta-pills {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 14px;
}

.specimen-pill {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
}

.pill-type {
  background: rgba(56, 189, 248, 0.2);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.4);
}

.pill-age {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.specimen-desc-text {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-muted);
  text-align: left;
  background: rgba(0,0,0,0.3);
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
}

.specimen-modal-footer {
  padding: 14px 18px;
  border-top: 1px solid var(--border-glass);
  display: flex;
  gap: 10px;
}

/* Field Notebook Modal */
.field-notebook-card {
  background: #0f172a;
  border: 1.5px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 820px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 60px rgba(0,0,0,0.85);
  animation: zoomInModal 0.25s ease-out;
}

.notebook-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.notebook-eyebrow {
  font-size: 11px;
  font-weight: 800;
  color: var(--accent-cyan);
  letter-spacing: 0.5px;
}

.notebook-title-wrap h2 {
  font-size: 20px;
  color: #fff;
  margin-top: 4px;
}

.notebook-header-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.notebook-progress-wrap {
  text-align: right;
}

#notebookProgressText {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-gold);
}

.notebook-progress-bar {
  width: 120px;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  margin-top: 4px;
  overflow: hidden;
}

.notebook-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #10b981, #f59e0b);
  border-radius: 4px;
  transition: width 0.3s;
}

.notebook-tabs-bar {
  display: flex;
  gap: 6px;
  padding: 10px 24px;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid var(--border-glass);
  overflow-x: auto;
}

.notebook-tab-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

.notebook-tab-btn:hover, .notebook-tab-btn.active {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--accent-cyan);
  color: #fff;
}

.notebook-grid {
  padding: 20px 24px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  flex: 1;
}

.notebook-item-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: flex;
  flex-direction: column;
  transition: all 0.2s;
  position: relative;
}

.notebook-item-card.collected {
  border-color: rgba(245, 158, 11, 0.5);
  background: rgba(245, 158, 11, 0.06);
}

.notebook-item-card.uncollected {
  opacity: 0.5;
  filter: grayscale(0.8);
}

.item-icon-box {
  font-size: 32px;
  margin-bottom: 8px;
}

.item-name {
  font-size: 13.5px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.item-type {
  font-size: 11px;
  color: var(--accent-cyan);
  margin-bottom: 6px;
}

.item-desc {
  font-size: 11.5px;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: auto;
}

.item-status-tag {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 8px;
}

.status-collected {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
}

.status-uncollected {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
}

/* Postcard Modal */
.postcard-wrapper {
  background: #0f172a;
  border: 1.5px solid var(--accent-gold);
  border-radius: var(--radius-md);
  padding: 16px;
  width: 100%;
  max-width: 900px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.85);
  animation: zoomInModal 0.25s ease-out;
}

.postcard-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 800;
  color: var(--accent-gold);
  font-size: 13px;
  margin-bottom: 12px;
}

.postcard-canvas-frame {
  width: 100%;
  background: #000;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: inset 0 0 10px rgba(0,0,0,0.8);
  display: flex;
  justify-content: center;
}

#postcardCanvas {
  max-width: 100%;
  height: auto;
  display: block;
}

.postcard-actions {
  display: flex;
  gap: 12px;
  margin-top: 14px;
}

/* Panel Switchers */
.btn-cam-pill, .btn-panel-tod {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-cam-pill:hover, .btn-cam-pill.active,
.btn-panel-tod:hover, .btn-panel-tod.active {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--accent-cyan);
  color: #fff;
}

.specimen-count-badge {
  font-size: 11px;
  font-weight: 800;
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 2px 8px;
  border-radius: 10px;
}

/* ==========================================================================
   BOTTOM CATEGORY CAROUSEL DOCK (Continuous marquee right-to-left)
   ========================================================================== */

.category-dock {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1000px, 94vw);
  z-index: 28;
  pointer-events: auto;
}

.category-carousel__viewport {
  width: 100%;
  overflow: hidden;
  padding: 8px 4px;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 5%, black 95%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, black 5%, black 95%, transparent 100%);
}

.category-carousel__track {
  display: flex;
  gap: 12px;
  width: max-content;
  animation: carouselScroll 45s linear infinite;
}

.category-carousel__track:hover {
  animation-play-state: paused;
}

@keyframes carouselScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.carousel-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(13, 23, 42, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-glass);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}

.carousel-card:hover {
  transform: translateY(-4px) scale(1.04);
  border-color: var(--accent-cyan);
  background: rgba(22, 38, 70, 0.95);
  box-shadow: 0 12px 30px rgba(56, 189, 248, 0.3);
}

.card-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.card-tag {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-title {
  font-size: 13px;
  color: #fff;
  font-weight: 600;
}

.card-badge {
  font-size: 10px;
  color: var(--text-muted);
}

/* ==========================================================================
   RIGHT-TO-LEFT INFORMATION DRAWER (Matching geoknow.cn .module-drawer)
   ========================================================================== */

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.55);
  backdrop-filter: blur(4px);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

.module-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(540px, 94vw);
  height: 100vh;
  height: 100dvh;
  background: linear-gradient(180deg, rgba(8, 17, 32, 0.96) 0%, rgba(4, 10, 20, 0.98) 100%);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-left: 1px solid rgba(56, 189, 248, 0.35);
  box-shadow: -24px 0 60px rgba(0, 0, 0, 0.85), inset 0 0 0 1px rgba(255, 255, 255, 0.06);
  z-index: 100;
  transform: translateX(105%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  padding: 24px;
  overflow-y: auto;
}

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

@media (max-width: 1200px) {
  body.drawer-is-open .sidebar-panel {
    transform: translateX(calc(-100% - 32px)) !important;
    opacity: 0 !important;
    pointer-events: none !important;
  }
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.drawer-eyebrow {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-cyan);
  letter-spacing: 0.8px;
}

.drawer-title {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-top: 4px;
}

.drawer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.drawer-chip {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  color: #cbd5e1;
}

.drawer-close-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  color: #fff;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.drawer-close-btn:hover {
  background: rgba(244, 63, 94, 0.25);
  border-color: var(--accent-rose);
  color: var(--accent-rose);
}

/* Audio Player Bar */
.drawer-audio-bar {
  margin-top: 16px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.btn-drawer-audio {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.btn-drawer-audio:hover {
  color: var(--accent-cyan);
}

.audio-wave {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 18px;
}

.audio-wave-bar {
  width: 3px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 2px;
  transition: height 0.2s ease;
}

.audio-wave-bar.playing {
  animation: waveBounce 0.9s ease-in-out infinite alternate;
}

.audio-wave-bar.playing:nth-child(2) { animation-delay: 0.15s; }
.audio-wave-bar.playing:nth-child(3) { animation-delay: 0.3s; }
.audio-wave-bar.playing:nth-child(4) { animation-delay: 0.45s; }
.audio-wave-bar.playing:nth-child(5) { animation-delay: 0.6s; }

@keyframes waveBounce {
  0% { height: 4px; }
  100% { height: 18px; }
}

/* Drawer Body */
.drawer-body {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.drawer-lead-desc {
  font-size: 14px;
  line-height: 1.65;
  color: #e2e8f0;
}

.drawer-section {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  padding: 14px 16px;
  border-radius: var(--radius-md);
}

.drawer-section h4 {
  font-size: 13.5px;
  color: var(--accent-cyan);
  margin-bottom: 6px;
}

.drawer-section p {
  font-size: 12.5px;
  line-height: 1.55;
  color: #94a3b8;
}

/* Drawer Footer */
.drawer-footer {
  margin-top: 20px;
  display: flex;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-drawer-action {
  flex: 1;
  padding: 11px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-drawer-fly {
  background: var(--accent-cyan);
  color: #04101e;
}
.btn-drawer-fly:hover {
  background: #7dd3fc;
}

.btn-drawer-roam {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
}
.btn-drawer-roam:hover {
  background: #34d399;
}

/* ==========================================================================
   63 PROVINCES & 6 SOCIO-ECONOMIC REGIONS (OPTION A)
   ========================================================================== */

.province-search-box {
  position: relative;
  display: flex;
  align-items: center;
  margin-top: 12px;
}

.province-search-icon {
  position: absolute;
  left: 12px;
  font-size: 14px;
  pointer-events: none;
  opacity: 0.65;
}

.province-search-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 10px 14px 10px 36px;
  color: #fff;
  font-size: 13px;
  outline: none;
  transition: all 0.2s ease;
}

.province-search-input:focus {
  border-color: var(--accent-cyan);
  background: rgba(0, 0, 0, 0.6);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.25);
}

.province-search-input::placeholder {
  color: var(--text-muted);
}

.region-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.region-pill-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-size: 11.5px;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.region-pill-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.region-pill-btn.active {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--region-color, var(--accent-cyan));
  color: #fff;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.25);
  font-weight: 600;
}

.province-results-card {
  max-height: 440px;
  display: flex;
  flex-direction: column;
}

.province-cards-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  margin-top: 10px;
  padding-right: 4px;
  max-height: 380px;
}

.province-cards-grid::-webkit-scrollbar {
  width: 5px;
}

.province-cards-grid::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 3px;
}

.province-item-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.province-item-card:hover {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.35);
  transform: translateX(3px);
}

.province-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.province-name {
  font-size: 13.5px;
  color: #fff;
  font-weight: 600;
}

.province-pop-tag {
  font-size: 11px;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 6px;
  color: var(--accent-gold);
  font-weight: 500;
}

.province-region-label {
  font-size: 11.5px;
  font-weight: 600;
  margin-bottom: 4px;
}

.province-terrain-snippet {
  font-size: 11.5px;
  color: var(--text-muted);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 3D Map Marker Pin for Provinces */
.pin-province {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transform: translate(-50%, -50%);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.pin-province:hover {
  transform: translate(-50%, -50%) scale(1.2);
  z-index: 100;
}

.pin-prov-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid #ffffff;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.7), 0 0 6px currentColor;
  margin-bottom: 3px;
}

.pin-province .pin-label {
  font-size: 10.5px;
  padding: 2px 6px;
  border-radius: 8px;
  background: rgba(7, 13, 24, 0.92);
  border: 1px solid var(--border-glass);
}

/* ==========================================================================
   INTERACTIVE 3D GEOQUIZ CHALLENGE STYLES
   ========================================================================== */

.quiz-score-badge {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(217, 119, 6, 0.3));
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 12px;
}

.quiz-category-bar {
  display: flex;
  gap: 6px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.quiz-cat-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-size: 11.5px;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.quiz-cat-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.quiz-cat-btn.active {
  background: rgba(56, 189, 248, 0.25);
  border-color: var(--accent-cyan);
  color: #fff;
  font-weight: 600;
}

.quiz-question-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.quiz-badge-type {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.15);
  padding: 2px 7px;
  border-radius: 6px;
}

.quiz-number {
  font-size: 11.5px;
  color: var(--text-muted);
}

.quiz-question-text {
  font-size: 14px;
  line-height: 1.55;
  color: #fff;
  font-weight: 600;
  margin-bottom: 14px;
}

.quiz-options-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quiz-option-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: #e2e8f0;
  font-size: 12.5px;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.quiz-option-btn:hover:not(:disabled) {
  background: rgba(56, 189, 248, 0.12);
  border-color: var(--accent-cyan);
  transform: translateX(4px);
}

.quiz-option-letter {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  font-weight: 700;
  font-size: 11px;
  flex-shrink: 0;
}

.quiz-option-label {
  flex: 1;
  line-height: 1.35;
}

.quiz-option-btn.option-correct {
  background: rgba(16, 185, 129, 0.25) !important;
  border-color: #10b981 !important;
  color: #a7f3d0 !important;
}

.quiz-option-btn.option-correct .quiz-option-letter {
  background: #10b981;
  color: #04101e;
}

.quiz-option-btn.option-wrong {
  background: rgba(239, 68, 68, 0.25) !important;
  border-color: #ef4444 !important;
  color: #fecaca !important;
}

.quiz-option-btn.option-wrong .quiz-option-letter {
  background: #ef4444;
  color: #fff;
}

.quiz-feedback-box {
  margin-top: 14px;
  padding: 12px 14px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  animation: fadeIn 0.25s ease-out;
}

.quiz-feedback-status {
  font-size: 13.5px;
  font-weight: 700;
  margin-bottom: 6px;
}

.quiz-feedback-status.status-correct {
  color: #34d399;
}

.quiz-feedback-status.status-wrong {
  color: #f87171;
}

.quiz-feedback-explain {
  font-size: 12.5px;
  line-height: 1.5;
  color: #cbd5e1;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   TEACHER DOCK & SMARTBOARD PRESENTATION MODE
   Classroom 4K touch display optimization, laser pointer & annotations
   ========================================================================== */

/* Top Bar Toggle Buttons */
.btn-teacher-toggle {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(217, 119, 6, 0.35));
  border: 1px solid var(--accent-gold);
  color: #fff;
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-teacher-toggle:hover, .btn-teacher-toggle.active {
  background: var(--accent-gold);
  color: #04101e;
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.45);
}

.btn-icon-toggle {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  color: #fff;
  font-size: 15px;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-icon-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Fullscreen Drawing / Laser Canvas */
.teacher-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 60;
}

/* Floating Smartboard Teacher Dock Toolbar */
.teacher-dock {
  position: fixed;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%) translateY(140px);
  background: rgba(13, 23, 42, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1.5px solid rgba(245, 158, 11, 0.5);
  border-radius: 20px;
  padding: 10px 18px 12px 18px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.75), 0 0 25px rgba(245, 158, 11, 0.2);
  z-index: 75;
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  min-width: 480px;
}

.teacher-dock.is-open {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.teacher-dock__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.teacher-dock__badge {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--accent-gold);
}

.tb-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
}

.tb-close-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.teacher-dock__tools {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tb-tool-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: #e2e8f0;
  padding: 8px 12px;
  min-height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.tb-tool-btn .tb-icon {
  font-size: 18px;
}

.tb-tool-btn .tb-label {
  font-size: 11px;
  font-weight: 600;
}

.tb-tool-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
}

.tb-tool-btn.active {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.3), rgba(217, 119, 6, 0.45));
  border-color: var(--accent-gold);
  color: #fff;
  box-shadow: 0 0 14px rgba(245, 158, 11, 0.4);
}

.tb-colors {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0 4px;
}

.tb-color-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}

.tb-color-dot:hover, .tb-color-dot.active {
  transform: scale(1.3);
  border-color: #fff;
  box-shadow: 0 0 8px currentColor;
}

.tb-divider {
  width: 1px;
  height: 34px;
  background: rgba(255, 255, 255, 0.15);
  margin: 0 4px;
}

/* Hotspots Dropdown Menu */
.teacher-hotspots-menu {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(13, 23, 42, 0.95);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 8px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 210px;
  max-height: 280px;
  overflow-y: auto;
  z-index: 80;
}

.teacher-hotspots-menu.is-open {
  display: flex;
}

.hotspot-item-btn {
  background: transparent;
  border: none;
  color: #e2e8f0;
  text-align: left;
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.hotspot-item-btn:hover {
  background: rgba(56, 189, 248, 0.2);
  color: var(--accent-cyan);
}

/* Socratic Question Discussion Card */
.teacher-prompt-card {
  position: fixed;
  top: 90px;
  left: 24px;
  width: min(440px, 90vw);
  background: rgba(13, 23, 42, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid rgba(56, 189, 248, 0.4);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
  z-index: 70;
  display: none;
  flex-direction: column;
  gap: 10px;
  animation: fadeIn 0.25s ease-out;
}

.teacher-prompt-card.is-open {
  display: flex;
}

.prompt-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.prompt-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.15);
  padding: 3px 8px;
  border-radius: 8px;
}

.prompt-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
}

.prompt-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.prompt-question {
  font-size: 13.5px;
  line-height: 1.55;
  color: #f1f5f9;
}

.prompt-hint {
  font-size: 12px;
  line-height: 1.45;
  color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.1);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-gold);
}

.prompt-footer {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

.btn-prompt-action {
  flex: 1;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-prompt-fly {
  background: var(--accent-cyan);
  color: #04101e;
}

.btn-prompt-next {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}
.btn-prompt-next:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Clean Mode (Smartboard Full Screen 3D) */
body.smartboard-clean-view .top-navbar {
  transform: translateY(-110px);
}

body.smartboard-clean-view .sidebar-panel {
  transform: translateX(-120%);
}

body.smartboard-clean-view .category-dock {
  transform: translateY(120%);
}

.top-navbar, .sidebar-panel, .category-dock {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-restore-ui {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 80;
  background: rgba(13, 23, 42, 0.85);
  backdrop-filter: blur(14px);
  border: 1px solid var(--accent-cyan);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 20px;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-restore-ui:hover {
  background: var(--accent-cyan);
  color: #04101e;
}

/* ==========================================================================
   HYDROLOGY & 9 MAJOR RIVER SYSTEMS
   ========================================================================== */

.hydrology-slider-box {
  margin-top: 10px;
  background: rgba(0, 0, 0, 0.3);
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
}

.river-chips-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 280px;
  overflow-y: auto;
  padding-right: 4px;
}

.river-card-chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-left: 3.5px solid var(--river-accent, #38bdf8);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.river-card-chip:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(4px);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.river-chip-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
}

.river-name {
  color: #fff;
  font-weight: 600;
}

.river-discharge {
  font-size: 11px;
  color: var(--accent-cyan);
  font-weight: 700;
  font-family: monospace;
}

.river-chip-meta {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ==========================================================================
   PEDOLOGY & SOIL ANALYSIS (GEE SOILGRIDS 250M & TESSERA MULTI-MODAL EO)
   ========================================================================== */
.soil-chips-container {
  display: flex;
  flex-direction: column;
  gap: 7px;
  max-height: 240px;
  overflow-y: auto;
  padding-right: 4px;
}

.soil-card-chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-left: 4px solid var(--soil-color, #10b981);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.soil-card-chip:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateX(4px);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.soil-card-chip.active {
  background: rgba(16, 185, 129, 0.12);
  border-color: var(--soil-color, #10b981);
  box-shadow: 0 0 14px rgba(16, 185, 129, 0.25);
}

.soil-chip-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
}

.soil-name {
  color: #fff;
  font-weight: 600;
}

.soil-area-badge {
  font-size: 10.5px;
  color: var(--accent-cyan);
  font-weight: 700;
  font-family: monospace;
  background: rgba(56, 189, 248, 0.12);
  padding: 2px 6px;
  border-radius: 6px;
}

.soil-chip-meta {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.soil-detail-card {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-sm);
  padding: 12px;
  animation: fadeIn 0.25s ease-out;
}

.soil-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 10px 0;
}

.soil-metric-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 6px 8px;
}

.soil-metric-label {
  font-size: 10.5px;
  color: var(--text-muted);
}

.soil-metric-val {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  margin-top: 2px;
  font-family: monospace;
}

/* ==========================================================================
   CLIMATE CHANGE SCENARIOS & MEKONG SALINITY INTRUSION
   ========================================================================== */

.climate-scenarios-card {
  border-top: 1.5px solid rgba(56, 189, 248, 0.3);
}

.scenario-tabs {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  background: rgba(0, 0, 0, 0.25);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
}

.scenario-tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  padding: 7px 6px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
  white-space: nowrap;
}

.scenario-tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.scenario-tab-btn.active {
  background: var(--accent-cyan);
  color: #04101e;
  box-shadow: 0 2px 8px rgba(56, 189, 248, 0.35);
}

.scenario-subview {
  margin-top: 12px;
  background: rgba(0, 0, 0, 0.2);
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
}

.impact-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.stat-pill {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 8px 6px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.stat-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.stat-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-cyan);
  font-family: monospace;
}

.scenario-narrative {
  font-size: 11.5px;
  color: #94a3b8;
  line-height: 1.5;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.narrative-salinity {
  color: #fbbf24;
}

.salinity-scenario-buttons {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.salinity-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-left: 3.5px solid #64748b;
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.salinity-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateX(3px);
}

.salinity-btn.active {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.4);
  border-left-color: var(--accent-gold);
}

.salinity-btn-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #fff;
}

.salinity-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 6px;
  font-family: monospace;
}

.badge-normal {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent-gold);
}

.badge-danger {
  background: rgba(244, 63, 94, 0.2);
  color: var(--accent-rose);
}

.salinity-btn-sub {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.35;
}

.adaptation-chips-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.adaptation-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-left: 3.5px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.adaptation-chip:hover {
  background: rgba(56, 189, 248, 0.12);
  transform: translateX(4px);
  border-color: var(--accent-cyan);
}

.adaptation-chip-icon {
  font-size: 18px;
}

.adaptation-chip-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 12px;
  color: #fff;
}

.adaptation-chip-scale {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.3;
}

.pin-adaptation {
  background: rgba(15, 23, 42, 0.9);
  border: 1.5px solid var(--accent-gold);
  box-shadow: 0 0 14px rgba(245, 158, 11, 0.5);
}

/* ==========================================================================
   3D GEOQUIZ INTERACTIVE TARGET PIN & GAMIFICATION
   ========================================================================== */

.quiz-3d-target {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
}

.target-badge {
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(8px);
  border: 2px solid var(--accent-cyan);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 16px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5), 0 0 14px rgba(56, 189, 248, 0.6);
  white-space: nowrap;
  animation: targetBounce 1s ease-in-out infinite alternate;
}

.target-pulse-ring {
  width: 32px;
  height: 32px;
  border: 2.5px solid var(--accent-cyan);
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: targetPulse 1.4s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

.target-correct .target-badge {
  border-color: #10b981;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.7);
}

.target-correct .target-pulse-ring {
  border-color: #10b981;
}

.target-wrong .target-badge {
  border-color: #f43f5e;
  box-shadow: 0 0 16px rgba(244, 63, 94, 0.7);
}

.target-wrong .target-pulse-ring {
  border-color: #f43f5e;
}

@keyframes targetBounce {
  0% { transform: translateY(0); }
  100% { transform: translateY(-6px); }
}

@keyframes targetPulse {
  0% {
    width: 24px;
    height: 24px;
    opacity: 1;
  }
  100% {
    width: 70px;
    height: 70px;
    opacity: 0;
  }
}

/* ==========================================================================
   Smartboard Geodesic Distance Measuring Ruler Tool
   ========================================================================== */
.teacher-ruler-card {
  position: fixed;
  top: 90px;
  right: 24px;
  width: min(380px, 92vw);
  background: rgba(13, 23, 42, 0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1.5px solid rgba(56, 189, 248, 0.5);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.75), 0 0 20px rgba(56, 189, 248, 0.2);
  z-index: 70;
  display: none;
  flex-direction: column;
  gap: 10px;
  animation: fadeIn 0.25s ease-out;
}

.teacher-ruler-card.is-open {
  display: flex;
}

.ruler-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ruler-card-badge {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--accent-cyan);
}

.ruler-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
}

.ruler-card-status {
  font-size: 13px;
  color: #f1f5f9;
  line-height: 1.5;
  font-weight: 500;
}

.ruler-card-result {
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.ruler-card-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 4px;
}

.btn-ruler-action {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-ruler-action:hover {
  background: rgba(56, 189, 248, 0.25);
  border-color: var(--accent-cyan);
}

.ruler-marker-pin {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 13px;
  box-shadow: 0 0 15px currentColor, 0 4px 10px rgba(0, 0, 0, 0.5);
  transform: translate(-50%, -50%);
  animation: bouncePin 1s infinite alternate;
}

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

/* ==========================================================================
   Classroom Smartboard Interactive Quiz Modal Overlay
   ========================================================================== */
.teacher-quiz-modal {
  position: fixed;
  inset: 0;
  background: rgba(4, 9, 20, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 90;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.teacher-quiz-modal.is-open {
  display: flex;
  animation: fadeIn 0.25s ease-out;
}

.teacher-quiz-dialog {
  background: rgba(13, 23, 42, 0.95);
  border: 1.5px solid rgba(245, 158, 11, 0.5);
  border-radius: 24px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85), 0 0 35px rgba(245, 158, 11, 0.25);
  width: min(720px, 94vw);
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.teacher-quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.tq-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tq-badge {
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: rgba(245, 158, 11, 0.18);
  color: var(--accent-gold);
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 4px 10px;
  border-radius: 20px;
}

.tq-count {
  font-size: 13px;
  font-weight: 700;
  color: #94a3b8;
}

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

.tq-action-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  color: #e2e8f0;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.tq-action-btn:hover {
  background: rgba(245, 158, 11, 0.25);
  color: #fff;
}

.tq-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
}

.tq-question-text {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  color: #ffffff;
  margin: 6px 0 14px 0;
}

.tq-options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.tq-option-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1.5px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 14px 16px;
  min-height: 52px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: #f1f5f9;
  font-size: 15px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s;
}

.tq-option-btn:hover:not(:disabled) {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--accent-cyan);
  transform: translateX(4px);
}

.tq-opt-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  font-weight: 800;
  font-size: 13px;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.tq-option-btn.tq-correct {
  background: rgba(16, 185, 129, 0.25) !important;
  border-color: #10b981 !important;
  color: #fff !important;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.4);
}

.tq-option-btn.tq-wrong {
  background: rgba(239, 68, 68, 0.25) !important;
  border-color: #ef4444 !important;
  color: #fff !important;
}

.tq-feedback {
  margin-top: 12px;
  background: rgba(15, 23, 42, 0.7);
  border-radius: 12px;
  padding: 12px 16px;
  border-left: 4px solid var(--accent-cyan);
}

.tq-feedback-status {
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 4px;
}

.tq-feedback-status.status-correct { color: #10b981; }
.tq-feedback-status.status-wrong { color: #f59e0b; }

.tq-feedback-explain {
  font-size: 13.5px;
  line-height: 1.55;
  color: #cbd5e1;
}

.teacher-quiz-footer {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

.tq-nav-btn {
  flex: 1;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.tq-nav-btn:hover {
  background: rgba(255, 255, 255, 0.18);
}

.tq-fly-btn {
  flex: 1.3;
  padding: 12px 14px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-cyan), #0284c7);
  border: none;
  color: #04101e;
  font-size: 13.5px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s;
}

.tq-fly-btn:hover {
  filter: brightness(1.15);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.5);
}

/* ==========================================================================
   Student Provincial Fact Sheet in Information Drawer
   ========================================================================== */
.drawer-econ-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 12px;
}

.econ-progress-bar {
  display: flex;
  height: 22px;
  border-radius: 8px;
  overflow: hidden;
  margin: 8px 0;
  background: rgba(0, 0, 0, 0.4);
}

.econ-seg {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 10.5px;
  font-weight: 800;
  transition: width 0.4s ease-out;
}

.seg-agri { background: #10b981; }
.seg-ind { background: #f97316; }
.seg-srv { background: #0284c7; }

.econ-legend {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
}

.leg-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.leg-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.leg-agri { background: #10b981; }
.leg-ind { background: #f97316; }
.leg-srv { background: #0284c7; }

.drawer-factsheet-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.factsheet-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.fc-icon {
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.fc-content strong {
  display: block;
  font-size: 12.5px;
  color: #f1f5f9;
  margin-bottom: 2px;
}

.fc-content p {
  font-size: 12px;
  line-height: 1.45;
  color: #94a3b8;
  margin: 0;
}

/* ==========================================================================
   Gamification Achievement Modal / Toast
   ========================================================================== */
.quiz-achievement-modal {
  position: fixed;
  top: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  background: linear-gradient(135deg, rgba(13, 23, 42, 0.96), rgba(30, 41, 59, 0.96));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid var(--accent-gold);
  border-radius: 20px;
  padding: 14px 22px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8), 0 0 25px rgba(245, 158, 11, 0.4);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  min-width: 340px;
  max-width: 90vw;
}

.quiz-achievement-modal.is-active {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.achievement-content {
  display: flex;
  align-items: center;
  gap: 14px;
}

.achievement-icon {
  font-size: 32px;
  animation: bouncePin 1s infinite alternate;
}

.achievement-info {
  flex: 1;
}

.achievement-eyebrow {
  display: block;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--accent-gold);
  margin-bottom: 2px;
}

.achievement-title {
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  margin: 0;
}

.achievement-desc {
  font-size: 12px;
  color: #cbd5e1;
  margin: 2px 0 0 0;
}

.achievement-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  padding: 4px;
}

/* ==========================================================================
   54 ETHNIC GROUPS & CULTURAL SPACE STYLES (SCORE 8-9 UPGRADE)
   ========================================================================== */

.ethnic-family-filters {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 6px;
  margin-bottom: 12px;
  scrollbar-width: thin;
}

.family-filter-btn {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 16px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.family-filter-btn:hover {
  background: rgba(56, 189, 248, 0.15);
  color: #fff;
  border-color: rgba(56, 189, 248, 0.4);
}

.family-filter-btn.active {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.35), rgba(2, 132, 199, 0.45));
  border-color: var(--accent-cyan);
  color: #fff;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.35);
  font-weight: 700;
}

.ethnic-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ethnic-card {
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 14px;
  transition: all 0.25s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.ethnic-card:hover {
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.ethnic-header-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.ethnic-avatar-badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.9));
  border: 1.5px solid rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  flex-shrink: 0;
}

.ethnic-title-col {
  flex: 1;
  min-width: 0;
}

.ethnic-name-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}

.ethnic-main-name {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}

.ethnic-pop-chip {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 1px 7px;
  border-radius: 10px;
}

.ethnic-family-tag {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 8px;
  margin-top: 4px;
}

.tag-nam_a {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.tag-thai_kadai {
  background: rgba(6, 182, 212, 0.15);
  color: #22d3ee;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.tag-hmong_dao {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.tag-nam_dao {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.tag-han_tang {
  background: rgba(236, 72, 153, 0.15);
  color: #f472b6;
  border: 1px solid rgba(236, 72, 153, 0.3);
}

.tag-default {
  background: rgba(148, 163, 184, 0.15);
  color: #cbd5e1;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.ethnic-detail-box {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 8px 10px;
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 11.5px;
  line-height: 1.45;
  color: #cbd5e1;
}

.ethnic-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.ethnic-detail-item .detail-icon {
  font-size: 13px;
  flex-shrink: 0;
  margin-top: 1px;
}

.ethnic-detail-item strong {
  color: #f1f5f9;
  font-weight: 600;
  margin-right: 4px;
}

.btn-fly-ethnic {
  width: 100%;
  padding: 8px 12px;
  font-size: 11.5px;
  font-weight: 700;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.3), rgba(2, 132, 199, 0.4));
  border: 1px solid rgba(56, 189, 248, 0.5);
  color: #fff;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-fly-ethnic:hover {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.5), rgba(2, 132, 199, 0.65));
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.4);
  transform: translateY(-1px);
}

/* =====================================================================
   TOUR MODULE & 4 EDUCATIONAL CARDS (Pedagogical Visual Tour)
   ===================================================================== */
#panel-tour {
  display: none;
  flex-direction: column;
  gap: 12px;
}

#panel-tour.active {
  display: flex;
}

.tour-nav-card {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.88), rgba(30, 41, 59, 0.82)) !important;
  border: 1px solid rgba(56, 189, 248, 0.3) !important;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.tour-step-chips-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin-bottom: 12px;
  max-height: 240px;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 4px;
  box-sizing: border-box;
  width: 100%;
}

.tour-step-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 11px;
  text-align: left;
  overflow: hidden;
}

.tour-step-chip:hover {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.35);
  color: #fff;
  transform: translateY(-1px);
}

.tour-step-chip.active {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.25), rgba(2, 132, 199, 0.4));
  border-color: var(--accent-cyan);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
}

.tour-step-chip .chip-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  font-size: 10px;
  font-weight: 800;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.tour-step-chip.active .chip-num {
  background: var(--accent-cyan);
  color: #070d18;
}

.tour-step-chip .chip-name {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

/* Tour Audio Controller Bar */
.tour-audio-ctrl-bar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(0, 0, 0, 0.3);
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
}

.btn-tour-audio-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 9px 14px;
  font-size: 12.5px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #0284c7, #0369a1);
  border: 1px solid rgba(56, 189, 248, 0.6);
  color: #fff;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
}

.btn-tour-audio-toggle:hover {
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.6);
  transform: translateY(-1px);
}

.btn-tour-audio-toggle.is-playing {
  background: linear-gradient(135deg, #e11d48, #be123c);
  border-color: #fda4af;
  box-shadow: 0 0 18px rgba(225, 29, 72, 0.6);
  animation: pulse-audio 1.6s infinite ease-in-out;
}

@keyframes pulse-audio {
  0%, 100% { box-shadow: 0 0 14px rgba(225, 29, 72, 0.5); }
  50% { box-shadow: 0 0 24px rgba(225, 29, 72, 0.85); }
}

.tour-audio-settings {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
}

.btn-tour-voice {
  padding: 4px 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #e2e8f0;
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  transition: all 0.2s;
}

.btn-tour-voice:hover {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--accent-cyan);
}

.tour-auto-next-label {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 11px;
}

.tour-auto-next-label input {
  accent-color: var(--accent-cyan);
}

/* 4 Tour Cards */
.tour-cards-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tour-card {
  position: relative;
  background: rgba(15, 23, 42, 0.75) !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  transition: border-color 0.2s ease;
}

.tour-card:hover {
  border-color: rgba(56, 189, 248, 0.3) !important;
}

.tour-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.tour-card-icon {
  font-size: 16px;
}

.tour-card-title {
  margin: 0;
  font-size: 13.5px;
  font-weight: 700;
  color: #f1f5f9;
}

.tour-sub-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.tour-sub-badge.badge-gold {
  background: rgba(245, 158, 11, 0.18);
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.4);
}

/* Card 1: Hero Imagery */
.tour-hero-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  margin-bottom: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.tour-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.tour-hero-img-wrap:hover .tour-hero-img {
  transform: scale(1.04);
}

.tour-img-overlay-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 6px 10px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0) 100%);
  font-size: 11px;
  color: #f8fafc;
  font-weight: 600;
  letter-spacing: 0.2px;
}

.tour-geo-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  margin-bottom: 8px;
}

.tour-meta-item {
  background: rgba(0, 0, 0, 0.25);
  padding: 6px 8px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.tour-meta-item .meta-label {
  display: block;
  font-size: 10px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.tour-meta-item .meta-val {
  font-size: 11.5px;
  color: #f1f5f9;
}

.tour-meta-item .meta-val.highlight-cyan {
  color: var(--accent-cyan);
}

.tour-lead-caption {
  font-size: 11.5px;
  color: var(--accent-gold);
  line-height: 1.45;
  margin: 6px 0 0;
}

/* Card 2: Culture */
.tour-ethnic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 10px;
}

.tour-pill-ethnic {
  font-size: 10.5px;
  padding: 2px 8px;
  border-radius: 12px;
  background: rgba(168, 85, 247, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.35);
  color: #d8b4fe;
  font-weight: 600;
}

.tour-info-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 11.5px;
  line-height: 1.45;
}

.tour-info-row:last-child {
  margin-bottom: 0;
}

.tour-info-row .row-icon {
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 1px;
}

.tour-info-row .row-content strong {
  color: #f1f5f9;
  display: block;
  font-size: 11px;
  margin-bottom: 2px;
}

.tour-info-row .row-content p {
  color: var(--text-muted);
  margin: 0;
}

/* Card 4: Seasons & Specialties */
.tour-seasons-timeline {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 10px;
}

.season-badge-item {
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.25);
  border-left: 3px solid #38bdf8;
  font-size: 11px;
  line-height: 1.4;
}

.season-badge-item.spring { border-left-color: #ec4899; }
.season-badge-item.summer { border-left-color: #eab308; }
.season-badge-item.autumn { border-left-color: #f97316; }
.season-badge-item.winter { border-left-color: #38bdf8; }

.season-badge-item .season-head {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.season-badge-item.spring .season-head { color: #f472b6; }
.season-badge-item.summer .season-head { color: #fde047; }
.season-badge-item.autumn .season-head { color: #fb923c; }
.season-badge-item.winter .season-head { color: #7dd3fc; }

.season-badge-item .season-desc {
  color: #cbd5e1;
}

.tour-specialties-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.tour-spec-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: rgba(0, 0, 0, 0.28);
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.tour-spec-item .spec-icon {
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 1px;
}

.tour-spec-item .spec-body {
  flex: 1;
}

.tour-spec-item .spec-name {
  display: block;
  font-size: 11.5px;
  color: #fef08a;
  font-weight: 600;
  margin-bottom: 1px;
}

.tour-spec-item .spec-desc {
  margin: 0;
  font-size: 10.5px;
  color: var(--text-muted);
  line-height: 1.35;
}

/* =====================================================================
   COSMIC ADVANCED TELEMETRY & STRATA ENHANCEMENTS
   ===================================================================== */
.btn-action-primary.active, .cosmic-hud-btn.active {
  background: linear-gradient(135deg, #0284c7, #0369a1) !important;
  border-color: #38bdf8 !important;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.6) !important;
}

.strata-info-card {
  transition: all 0.25s ease;
}

.strata-info-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.strata-grid-telemetry > div {
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: border-color 0.2s;
}

.strata-grid-telemetry > div:hover {
  border-color: rgba(56, 189, 248, 0.35);
}

/* =====================================================================
   BUY ME A COFFEE / DONATION WIDGET (THEME-ALIGNED & RESPONSIVE)
   ===================================================================== */

/* Top Navbar Toggle Button */
.btn-donation-toggle {
  background: rgba(245, 158, 11, 0.15) !important;
  border-color: rgba(245, 158, 11, 0.45) !important;
  color: #facc15 !important;
}
.btn-donation-toggle:hover {
  background: rgba(245, 158, 11, 0.28) !important;
  border-color: #facc15 !important;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.45);
}

/* Floating Collapsed Chip on Side Edge */
.donation-collapsed-chip {
  position: fixed;
  right: 18px;
  top: 135px;
  z-index: 85;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(13, 23, 42, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1.5px solid var(--accent-gold);
  color: #facc15;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 9999px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45), 0 0 15px rgba(245, 158, 11, 0.25);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}
.donation-collapsed-chip:hover {
  background: rgba(245, 158, 11, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(245, 158, 11, 0.45);
}
.donation-collapsed-chip .chip-coffee-icon {
  font-size: 15px;
  animation: coffeeSteam 2s infinite ease-in-out;
}
@keyframes coffeeSteam {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-2px) rotate(-4deg); }
}

/* Floating Sidebar Card (Matches User Attached Design) */
.donation-sidebar-card {
  display: none;
  position: fixed;
  right: 18px;
  top: 135px;
  width: 258px;
  max-height: calc(100vh - 160px);
  overflow-y: auto;
  background: rgba(10, 20, 38, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid rgba(245, 158, 11, 0.45);
  border-radius: 18px;
  padding: 12px;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.75), 0 0 25px rgba(245, 158, 11, 0.15);
  z-index: 90;
  color: var(--text-main);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  animation: cardFadeIn 0.28s ease;
}
@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(-8px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.donation-sidebar-card::-webkit-scrollbar {
  width: 4px;
}
.donation-sidebar-card::-webkit-scrollbar-thumb {
  background: rgba(245, 158, 11, 0.3);
  border-radius: 4px;
}

.donation-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.donation-title {
  font-weight: 800;
  font-size: 13.5px;
  color: #facc15;
  display: flex;
  align-items: center;
  gap: 6px;
}
.donation-close-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #94a3b8;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 11px;
  transition: all 0.2s ease;
}
.donation-close-btn:hover {
  background: rgba(239, 68, 68, 0.25);
  border-color: #ef4444;
  color: #ffffff;
}

.donation-desc {
  font-size: 11px;
  color: #94a3b8;
  line-height: 1.4;
  margin-bottom: 10px;
}

/* Account Boxes */
.donation-account-box {
  background: rgba(22, 36, 65, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 9px;
  margin-bottom: 9px;
  transition: border-color 0.2s ease;
}
.donation-account-box:hover {
  border-color: rgba(245, 158, 11, 0.35);
}

.donation-box-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.badge-tcb {
  background: #e11d48;
  color: #ffffff;
  font-weight: 900;
  font-size: 9.5px;
  padding: 1px 5px;
  border-radius: 4px;
  letter-spacing: 0.3px;
}
.badge-momo {
  background: #d946ef;
  color: #ffffff;
  font-weight: 900;
  font-size: 9.5px;
  padding: 1px 5px;
  border-radius: 4px;
  letter-spacing: 0.3px;
}
.bank-name {
  font-size: 12.5px;
  font-weight: 800;
  color: #ffffff;
}
.bank-sub {
  font-size: 10px;
  color: #94a3b8;
}
.momo-sub {
  color: #f472b6;
}

.donation-qr-frame {
  background: #ffffff;
  border-radius: 8px;
  padding: 6px;
  display: flex;
  justify-content: center;
  margin-bottom: 7px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}
.donation-qr-frame img {
  width: 100%;
  max-width: 175px;
  aspect-ratio: 1/1;
  object-fit: contain;
  display: block;
  border-radius: 4px;
}

.donation-box-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3px;
}
.donation-acc-num {
  font-weight: 800;
  font-size: 13.5px;
  color: #facc15;
  letter-spacing: 0.3px;
}
.donation-copy-btn {
  background: rgba(245, 158, 11, 0.18);
  border: 1px solid rgba(245, 158, 11, 0.45);
  color: #facc15;
  font-size: 10.5px;
  font-weight: 700;
  padding: 2.5px 7px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: all 0.2s ease;
}
.donation-copy-btn:hover {
  background: #f59e0b;
  color: #000000;
}

.donation-box-owner {
  font-size: 10.5px;
  color: #cbd5e1;
  text-align: center;
  margin-bottom: 2px;
}
.donation-box-owner strong {
  color: #ffffff;
}
.donation-box-sub {
  font-size: 10px;
  color: #64748b;
  text-align: center;
}

/* Card Footer Button */
.donation-footer-btn {
  width: 100%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #f8fafc;
  font-size: 11.5px;
  font-weight: 700;
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s ease;
}
.donation-footer-btn:hover {
  background: rgba(245, 158, 11, 0.2);
  border-color: rgba(245, 158, 11, 0.5);
  color: #facc15;
  box-shadow: 0 0 14px rgba(245, 158, 11, 0.25);
}

/* Detailed Modal */
.donation-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(7, 13, 24, 0.85);
  z-index: 9999;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.donation-modal-body {
  max-width: 580px;
  width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  position: relative;
  background: rgba(13, 23, 42, 0.98);
  border: 1.5px solid rgba(245, 158, 11, 0.5);
  border-radius: 22px;
  padding: 24px;
  color: var(--text-main);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8), 0 0 35px rgba(245, 158, 11, 0.2);
  animation: modalPopIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes modalPopIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}
.donation-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #94a3b8;
  cursor: pointer;
  transition: all 0.2s ease;
}
.donation-modal-close:hover {
  background: rgba(239, 68, 68, 0.3);
  border-color: #ef4444;
  color: #ffffff;
}
.donation-modal-header {
  text-align: center;
  margin-bottom: 18px;
}
.donation-modal-hero-icon {
  font-size: 36px;
  margin-bottom: 4px;
}
.donation-modal-title {
  font-size: 19px;
  font-weight: 800;
  color: #facc15;
  margin-bottom: 6px;
}
.donation-modal-lead {
  font-size: 12.5px;
  color: #94a3b8;
  line-height: 1.5;
  max-width: 480px;
  margin: 0 auto;
}
.donation-modal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 16px;
}
.modal-bank-card {
  background: rgba(22, 36, 65, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 12px;
  text-align: center;
}
.modal-card-owner {
  font-size: 11px;
  color: #94a3b8;
  margin-bottom: 3px;
}
.modal-card-owner strong {
  color: #ffffff;
}
.modal-card-num {
  font-weight: 800;
  font-size: 14px;
  color: #facc15;
  margin-bottom: 8px;
}
.donation-note-banner {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 12px;
  color: #f8fafc;
  text-align: center;
  margin-bottom: 14px;
  line-height: 1.4;
}
.donation-btn-close-bottom {
  width: 100%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #94a3b8;
  font-size: 12.5px;
  font-weight: 600;
  padding: 9px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.donation-btn-close-bottom:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

@media (max-width: 768px) {
  .donation-sidebar-card {
    right: 10px;
    top: 75px;
    width: 235px;
  }
  .donation-collapsed-chip {
    right: 12px;
    top: auto;
    bottom: 80px;
  }
  .donation-modal-grid {
    grid-template-columns: 1fr;
  }
}

/* =====================================================================
   MÔ HÌNH 3D ĐỊA TẦNG & CẤU TRÚC TRÁI ĐẤT (GEO-SIM 3D SCI-FI HUD)
   ===================================================================== */

/* Floating Top Toolbar */
.cosmic-top-toolbar {
  position: absolute;
  top: 72px;
  left: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  pointer-events: none;
  z-index: 30;
}

body.sidebar-is-collapsed .cosmic-top-toolbar {
  left: 20px;
}

.cosmic-title-chip {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(6, 18, 32, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(34, 211, 238, 0.35);
  border-left: 3px solid #22d3ee;
  border-radius: 10px;
  padding: 6px 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

.cosmic-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: pulseGlow 2.4s infinite ease-in-out;
}

.cosmic-title-text {
  font-family: 'JetBrains Mono', monospace, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #e2f1f8;
  text-transform: uppercase;
}

.cosmic-toolbar-actions {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

.cosmic-hud-pill {
  background: rgba(8, 25, 44, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(34, 211, 238, 0.3);
  color: #bae6fd;
  font-size: 11.5px;
  font-weight: 600;
  padding: 6px 11px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease;
  user-select: none;
}

.cosmic-hud-pill:hover {
  background: rgba(14, 46, 74, 0.9);
  border-color: #22d3ee;
  color: #ffffff;
  box-shadow: 0 0 14px rgba(34, 211, 238, 0.35);
}

.cosmic-hud-pill.active {
  background: linear-gradient(135deg, rgba(6, 110, 140, 0.7), rgba(8, 55, 86, 0.9));
  border-color: #22d3ee;
  color: #ffffff;
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.45);
}

/* Right Floating Control Dock */
.cosmic-right-dock {
  position: absolute;
  right: 20px;
  top: 130px;
  width: 250px;
  background: rgba(6, 18, 32, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(34, 211, 238, 0.32);
  border-radius: 12px;
  padding: 14px;
  z-index: 30;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.75);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cosmic-dock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(34, 211, 238, 0.2);
  padding-bottom: 6px;
  font-family: 'JetBrains Mono', monospace, sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: #67e8f9;
  letter-spacing: 0.05em;
}

.cosmic-dock-sub {
  font-size: 9.5px;
  color: rgba(34, 211, 238, 0.65);
}

.cosmic-dock-buttons {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cosmic-dock-btn {
  width: 100%;
  background: rgba(8, 25, 44, 0.75);
  border: 1px solid rgba(34, 211, 238, 0.28);
  color: #bae6fd;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.cosmic-dock-btn:hover {
  background: rgba(14, 46, 74, 0.88);
  border-color: rgba(34, 211, 238, 0.75);
  color: #ffffff;
}

.cosmic-dock-btn.active {
  background: linear-gradient(135deg, rgba(6, 110, 140, 0.65), rgba(8, 55, 86, 0.85));
  border-color: #22d3ee;
  color: #ffffff;
  box-shadow: 0 0 14px rgba(34, 211, 238, 0.3);
}

.dock-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(15, 23, 42, 0.8);
  color: #94a3b8;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.dock-badge.active {
  background: rgba(34, 211, 238, 0.25);
  color: #67e8f9;
  border-color: rgba(34, 211, 238, 0.4);
}

.cosmic-dock-btn-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.cosmic-dock-subbtn {
  background: rgba(8, 25, 44, 0.7);
  border: 1px solid rgba(34, 211, 238, 0.25);
  color: #bae6fd;
  font-size: 11px;
  font-weight: 600;
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: all 0.2s ease;
}

.cosmic-dock-subbtn.active {
  background: rgba(14, 46, 74, 0.9);
  border-color: #22d3ee;
  color: #fff;
}

.mini-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.mini-dot.atmo { background: #38bdf8; }
.mini-dot.pin { background: #34d399; }

.cosmic-dock-sliders {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid rgba(34, 211, 238, 0.2);
  padding-top: 8px;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.slider-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  color: #94a3b8;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
}

.slider-label-row strong {
  color: #38bdf8;
  font-size: 11px;
}

.cosmic-range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 5px;
  background: rgba(15, 40, 68, 0.9);
  border-radius: 999px;
  border: 1px solid rgba(34, 211, 238, 0.25);
  outline: none;
}

.cosmic-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #22d3ee;
  border: 2px solid #ffffff;
  cursor: pointer;
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.8);
  transition: transform 0.15s ease;
}

.cosmic-range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slider-ticks {
  display: flex;
  justify-content: space-between;
  font-size: 8.5px;
  font-family: 'JetBrains Mono', monospace;
  color: #64748b;
}

/* Floating 3D Callout Pins */
.layer-pin {
  position: absolute;
  transform: translate(0, -50%);
  pointer-events: auto;
  cursor: pointer;
  background: rgba(5, 16, 30, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(34, 211, 238, 0.4);
  border-left: 3px solid #22d3ee;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  gap: 7px;
  z-index: 20;
}

.layer-pin:hover, .layer-pin.active {
  background: rgba(12, 36, 62, 0.95);
  border-color: #38bdf8;
  border-left-width: 4px;
  transform: translate(4px, -50%) scale(1.04);
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.4);
}

.pin-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.pin-text {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: #ffffff;
}

.pin-icon {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: rgba(34, 211, 238, 0.2);
  border: 1px solid rgba(34, 211, 238, 0.5);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-family: 'JetBrains Mono', monospace;
  color: #67e8f9;
}

/* Sidebar Layer Grid Tabs */
.cosmic-layer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 6px;
}

.cosmic-layer-tab {
  background: rgba(8, 25, 44, 0.75);
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 8px;
  padding: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
  color: #bae6fd;
}

.cosmic-layer-tab:hover {
  background: rgba(14, 46, 74, 0.88);
  border-color: rgba(34, 211, 238, 0.7);
  color: #ffffff;
}

.cosmic-layer-tab.active {
  background: linear-gradient(135deg, rgba(6, 110, 140, 0.65), rgba(8, 55, 86, 0.85));
  border-color: #22d3ee;
  color: #ffffff;
  box-shadow: 0 0 14px rgba(34, 211, 238, 0.35);
}

.tab-color-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.tab-text-wrap {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tab-title {
  font-size: 11px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tab-sub {
  font-size: 9.5px;
  font-family: 'JetBrains Mono', monospace;
  color: #67e8f9;
  opacity: 0.8;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Scientific Detail Card */
.cosmic-status-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  font-weight: 700;
  color: #22d3ee;
  background: rgba(34, 211, 238, 0.15);
  border: 1px solid rgba(34, 211, 238, 0.35);
  padding: 2px 7px;
  border-radius: 6px;
}

.cosmic-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(34, 211, 238, 0.2);
  margin-bottom: 10px;
}

.cosmic-info-badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
}

.cosmic-color-preview {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  flex-shrink: 0;
}

.cosmic-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 10px;
}

.cosmic-metric-box {
  background: rgba(2, 6, 23, 0.65);
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: 8px;
  padding: 7px 9px;
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 9.5px;
  color: rgba(186, 230, 253, 0.7);
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
}

.metric-val {
  font-size: 12px;
  font-weight: 700;
  color: #ffffff;
  font-family: 'JetBrains Mono', monospace;
  margin-top: 2px;
}

.cosmic-info-sections {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 11.5px;
  margin-bottom: 12px;
}

.info-block {
  background: rgba(15, 23, 42, 0.55);
  border-radius: 6px;
  padding: 6px 10px;
  line-height: 1.45;
}

.info-block.state {
  border-left: 3px solid #22d3ee;
}

.info-block.comp {
  border-left: 3px solid #facc15;
}

.info-block.desc {
  border-left: 3px solid #f97316;
}

.block-tag {
  font-size: 9.5px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  color: #38bdf8;
  text-transform: uppercase;
  display: block;
  margin-bottom: 2px;
}

.info-block.comp .block-tag { color: #facc15; }
.info-block.desc .block-tag { color: #f97316; }

.block-content {
  color: #e2e8f0;
}

.cosmic-volume-bar-box {
  border-top: 1px solid rgba(34, 211, 238, 0.2);
  padding-top: 8px;
}

.volume-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 4px;
  color: #94a3b8;
}

.volume-track {
  width: 100%;
  height: 6px;
  background: rgba(15, 23, 42, 0.8);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid rgba(34, 211, 238, 0.25);
}

.volume-fill {
  height: 100%;
  background: linear-gradient(90deg, #38bdf8, #0ea5e9);
  border-radius: 999px;
  transition: width 0.4s ease;
}

@media (max-width: 768px) {
  .cosmic-top-toolbar {
    top: 65px;
    left: 10px;
    right: 10px;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .cosmic-right-dock {
    right: 10px;
    top: auto;
    bottom: 80px;
    width: 200px;
    padding: 10px;
  }
}