/* ==========================================================================
   Passport Visa Map - Global Stylesheet (css/style.css)
   Clean, modern, responsive dark theme supporting Desktop & Mobile viewports
   ========================================================================== */

:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-surface: rgba(17, 24, 39, 0.95);
  --bg-surface-elevated: rgba(30, 41, 59, 0.98);
  --border-subtle: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.2);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --passport-hk: #0284c7;
  --passport-tw: #16a34a;
  --passport-uk: #dc2626;
  --passport-ca: #ea580c;

  --status-home: #2563eb;
  --status-visa-free: #10b981;
  --status-voa: #06b6d4;
  --status-evisa: #8b5cf6;
  --status-required: #f59e0b;
  --status-refused: #ef4444;
  --status-special: #6b7280;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans TC", sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-hud: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
}

#app {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* ==========================================================================
   Map Viewport & Canvas Layers
   ========================================================================== */
#map-viewport {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.map-view {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
}

#map-2d {
  background-color: #0b0f19;
}

.leaflet-container {
  background-color: #0b0f19 !important;
  font-family: var(--font-sans) !important;
}

/* ==========================================================================
   Top HUD Bar (Brand, Search, Projection Toggle)
   ========================================================================== */
#top-hud {
  position: absolute;
  top: 14px;
  left: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 18px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hud);
  z-index: 100;
}

.hud-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.brand-en {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-secondary);
  margin-left: 6px;
}

/* Search Box & Autocomplete */
.search-container {
  position: relative;
  flex: 1;
  max-width: 420px;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 12px;
  font-size: 13px;
  color: var(--text-muted);
  pointer-events: none;
}

#search-input {
  width: 100%;
  height: 38px;
  padding: 0 34px 0 34px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: border-color 0.1s ease, box-shadow 0.1s ease;
}

#search-input:focus {
  border-color: #38bdf8;
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.25);
}

.search-clear-btn {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  padding: 4px;
}

.search-clear-btn:hover {
  color: var(--text-primary);
}

.search-results-list {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  max-height: 280px;
  overflow-y: auto;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  list-style: none;
  z-index: 1000;
}

.search-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background 0.15s ease;
}

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

.search-result-item:hover, .search-result-item.selected {
  background: rgba(56, 189, 248, 0.15);
}

.search-item-names {
  display: flex;
  flex-direction: column;
}

.search-item-zh {
  font-weight: 600;
  color: var(--text-primary);
}

.search-item-en {
  font-size: 12px;
  color: var(--text-muted);
}

.search-item-iso {
  font-size: 11px;
  font-family: monospace;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--text-secondary);
}

.search-no-results {
  padding: 14px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

/* 1-Click Projection Switcher */
.projection-toggle-group {
  display: flex;
  background: rgba(15, 23, 42, 0.85);
  padding: 3px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.proj-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  min-height: 36px;
}

.proj-btn:hover {
  color: var(--text-primary);
}

.proj-btn.active {
  background: #2563eb;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
}

/* ==========================================================================
   Floating Controls HUD (Passports & Modes)
   ========================================================================== */
#controls-hud {
  position: absolute;
  top: 80px;
  left: 16px;
  width: 330px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 90;
  pointer-events: auto;
}

.passports-selector {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px;
  box-shadow: var(--shadow-hud);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.passport-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.group-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 4px;
}

.owned-badge {
  background: rgba(2, 132, 199, 0.2);
  color: #38bdf8;
  border: 1px solid rgba(2, 132, 199, 0.4);
}

.target-badge {
  background: rgba(234, 88, 12, 0.2);
  color: #fb923c;
  border: 1px dashed rgba(234, 88, 12, 0.5);
}

.passport-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.passport-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: rgba(15, 23, 42, 0.7);
  border-radius: var(--radius-md);
  cursor: pointer;
  min-height: 44px;
  text-align: left;
}

.passport-btn.solid {
  border: 2px solid var(--border-subtle);
}

.passport-btn.dashed {
  border: 2px dashed var(--border-subtle);
}

.passport-btn.active.owned {
  border: 2px solid #38bdf8;
  background: rgba(2, 132, 199, 0.2);
  box-shadow: 0 0 12px rgba(2, 132, 199, 0.3);
}

.passport-btn.active.target {
  border: 2px dashed #fb923c;
  background: rgba(234, 88, 12, 0.2);
  box-shadow: 0 0 12px rgba(234, 88, 12, 0.3);
}

.passport-btn:hover {
  background: rgba(30, 41, 59, 0.9);
}

.swatch {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.passport-meta {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

.passport-name-zh {
  font-weight: 600;
  font-size: 12px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.passport-name-en {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.passport-badge {
  font-size: 9px;
  padding: 2px 5px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
}

/* Overlay Modes Panel */
.overlay-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 12px 14px;
  box-shadow: var(--shadow-hud);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.overlay-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(139, 92, 246, 0.25);
  color: #c4b5fd;
  border: 1px solid rgba(139, 92, 246, 0.5);
}

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

.mode-btn {
  width: 100%;
  padding: 8px 12px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  min-height: 38px;
}

.mode-btn:hover {
  color: var(--text-primary);
  background: rgba(30, 41, 59, 0.8);
}

.mode-btn.active {
  background: rgba(139, 92, 246, 0.25);
  border-color: #8b5cf6;
  color: #ffffff;
  font-weight: 600;
}

/* ==========================================================================
   Mobility Counters HUD
   ========================================================================== */
#summary-counters {
  position: absolute;
  top: 80px;
  right: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  box-shadow: var(--shadow-hud);
  z-index: 90;
  display: flex;
  gap: 16px;
  pointer-events: auto;
}

.counter-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 65px;
}

.counter-num {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.counter-label {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 2px;
}

/* ==========================================================================
   Legend HUD
   ========================================================================== */
#legend-container {
  position: absolute;
  bottom: 20px;
  left: 16px;
  z-index: 90;
  pointer-events: auto;
}

.legend-toggle-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-hud);
}

.legend-toggle-btn:hover {
  background: var(--bg-surface-elevated);
}

.legend {
  margin-top: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  box-shadow: var(--shadow-hud);
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 280px;
}

.legend.collapsed {
  display: none;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
}

.legend-swatch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  font-size: 11px;
  color: #ffffff;
  font-weight: 700;
  flex-shrink: 0;
}

.legend-label {
  color: var(--text-secondary);
}

/* ==========================================================================
   Country Detail Inspection Panel (Desktop Sidebar & Mobile Bottom Sheet)
   ========================================================================== */
#detail-panel {
  position: absolute;
  top: 80px;
  right: 16px;
  width: 380px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
  z-index: 100;
  display: flex;
  flex-direction: column;
  padding: 18px;
  gap: 14px;
}

.mobile-drag-bar {
  display: none;
  width: 36px;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  margin: 0 auto 10px auto;
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.panel-title-container {
  display: flex;
  flex-direction: column;
}

.country-title-zh {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.country-title-en {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 400;
}

.close-panel-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  flex-shrink: 0;
}

.close-panel-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
}

.panel-best-banner {
  padding: 8px 12px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: var(--radius-md);
}

.highlight-best {
  font-size: 12px;
  font-weight: 600;
  color: #34d399;
}

.passports-comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.passport-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  position: relative;
}

.passport-card.best {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.1);
}

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

.card-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
}

.card-tag {
  font-size: 9px;
  padding: 1px 4px;
  border-radius: 3px;
}

.tag-owned {
  background: rgba(2, 132, 199, 0.2);
  color: #38bdf8;
  border: 1px solid rgba(2, 132, 199, 0.3);
}

.tag-target {
  background: rgba(234, 88, 12, 0.2);
  color: #fb923c;
  border: 1px dashed rgba(234, 88, 12, 0.4);
}

.card-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
}

.card-duration {
  font-size: 11px;
  color: var(--text-muted);
}

.card-notes {
  font-size: 10px;
  color: var(--text-secondary);
  line-height: 1.3;
}

.panel-notes-container {
  font-size: 11px;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 10px;
  line-height: 1.4;
}

/* ==========================================================================
   Map Tooltip Styles (3D & 2D)
   ========================================================================== */
.map-tooltip {
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
  color: var(--text-primary);
  font-family: var(--font-sans);
  pointer-events: none;
}

.tooltip-header {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 4px;
}

.tooltip-title {
  font-size: 13px;
  font-weight: 700;
}

.tooltip-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.tooltip-status {
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
}

.tooltip-duration {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.tooltip-notes {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}

.leaflet-custom-tooltip {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
}

/* ==========================================================================
   Responsive Adaptations (Mobile 390x844 & Small Devices)
   ========================================================================== */
@media (max-width: 768px) {
  #top-hud {
    top: 10px;
    left: 10px;
    right: 10px;
    padding: 8px 12px;
    flex-wrap: wrap;
    gap: 8px;
  }

  .hud-brand {
    display: none; /* Hide brand to save space on mobile */
  }

  .search-container {
    max-width: none;
    order: 1;
    flex: 1 1 100%;
  }

  .projection-toggle-group {
    order: 2;
    width: 100%;
    justify-content: center;
  }

  .proj-btn {
    flex: 1;
    justify-content: center;
    min-height: 44px;
  }

  #controls-hud {
    top: 120px;
    left: 10px;
    right: 10px;
    width: auto;
  }

  .passports-selector {
    padding: 10px;
  }

  .passport-btn {
    min-height: 48px; /* Touch target >= 44px */
  }

  #summary-counters {
    display: none; /* Auto-collapse or moved to drawer on small screens */
  }

  #legend-container {
    bottom: 12px;
    left: 10px;
  }

  /* Mobile Bottom Sheet Drawer */
  #detail-panel {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-height: 75vh;
    border-radius: 20px 20px 0 0;
    border-bottom: none;
    padding: 16px 18px 24px 18px;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.7);
  }

  .mobile-drag-bar {
    display: block;
  }

  .passports-comparison-grid {
    grid-template-columns: 1fr 1fr;
  }
}