/* ============================================================
   EFS — Elevation Forecast System
   Main stylesheet — CSS variables for easy theming
   ============================================================ */

:root {
  /* Brand colors — update these when you have a real palette */
  --brand-primary:   #4a9eff;
  --brand-accent:    #6bc5ff;

  /* Surface colors */
  --bg-page:         #0d0d1a;
  --bg-header:       #0a0a16;
  --bg-sidebar:      #0f0f20;
  --bg-sidebar-alt:  #13132a;
  --bg-group:        #1a1a33;
  --bg-row-hover:    #1e1e38;
  --bg-row-active:   #1a2a44;

  /* Borders */
  --border:          #252540;
  --border-light:    #1e1e35;

  /* Text */
  --text-primary:    #e8e8f0;
  --text-secondary:  #8888aa;
  --text-muted:      #555570;
  --text-label:      #99aacc;
  --text-active:     #aaccff;

  /* Tab bar */
  --tab-bg:          #0a0a16;
  --tab-inactive:    #555570;
  --tab-active:      #4a9eff;
  --tab-active-bg:   #0f0f20;
  --tab-border:      #252540;

  /* Status indicators */
  --ok-green:        #3dba6a;
  --warn-yellow:     #e6b800;
  --error-red:       #cc3333;

  /* Locked layer */
  --locked-text:     #555570;
  --locked-bg:       #0d0d1a;

  /* Sidebar width */
  --sidebar-width:   250px;

  /* Fonts */
  --font-main:       'Segoe UI', system-ui, Arial, sans-serif;
  --font-mono:       'Consolas', 'Menlo', monospace;
}

/* ============================================================
   Reset & base
   ============================================================ */

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

html, body {
  height: 100%;
  font-family: var(--font-main);
  background: var(--bg-page);
  color: var(--text-primary);
  font-size: 13px;
  overflow: hidden;
}

/* ============================================================
   Layout skeleton
   ============================================================ */

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ---- Header ---- */
#header {
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  padding: 0 14px;
  display: flex;
  align-items: center;
  gap: 16px;
  height: 72px;
  flex-shrink: 0;
  z-index: 100;
}

.header-logo {
  height: 70px;
  width: auto;
  display: block;
}

.header-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

#header .tagline {
  font-size: 20px;
  font-weight: bold;
  font-style: italic;
  color: #51BEFF;
  white-space: nowrap;
}

#header .tagline-sub {
  font-size: 11px;
  font-weight: normal;
  font-style: normal;
  color: #57FFC4;
  white-space: nowrap;
}

#version-badge {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-secondary);
  opacity: 0.6;
  font-family: monospace;
  white-space: nowrap;
}

/* ---- Tab bar ---- */
#tabbar {
  background: var(--tab-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: stretch;
  flex-shrink: 0;
  height: 36px;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 18px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.4px;
  color: var(--tab-inactive);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  text-transform: uppercase;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
  user-select: none;
}

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

.tab-btn.active {
  color: var(--tab-active);
  border-bottom-color: var(--tab-active);
  background: var(--tab-active-bg);
}

.tab-btn .tab-icon { font-size: 14px; }

/* ---- Main content area ---- */
#main {
  display: flex;
  flex: 1;
  min-height: 0;   /* prevents flex child from overflowing */
  overflow: hidden;
}

/* ---- Map container ---- */
#map-container {
  flex: 1;
  min-width: 0;
  position: relative;
  overflow: hidden;
}

#map {
  width: 100%;
  height: 100%;
  min-height: 400px; /* fallback if flex height collapses */
}

/* ---- Sidebar ---- */
#sidebar {
  width: var(--sidebar-width);
  min-height: 0;
  background: var(--bg-sidebar);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

#sidebar-header {
  padding: 8px 12px 6px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

#sidebar-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-label);
  margin-bottom: 3px;
}

#sidebar-updated {
  font-size: 10px;
  color: var(--text-muted);
}

#sidebar-body {
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #333355 transparent;
}

#sidebar-body::-webkit-scrollbar { width: 5px; }
#sidebar-body::-webkit-scrollbar-thumb { background: #333355; border-radius: 3px; }

/* ---- Stub view panels (Models, Snowfall) ---- */
.stub-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  gap: 12px;
  color: var(--text-muted);
}

.stub-panel .stub-icon { font-size: 48px; opacity: 0.3; }
.stub-panel .stub-title { font-size: 18px; font-weight: 600; color: var(--text-secondary); }
.stub-panel .stub-sub { font-size: 12px; }

/* ============================================================
   Map Options — basemap radio buttons
   ============================================================ */

.basemap-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 10px;
  margin-bottom: 6px;
  border-radius: 5px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}

.basemap-option:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--border);
}

.basemap-option input[type="radio"] {
  margin-top: 3px;
  accent-color: var(--brand-primary);
  flex-shrink: 0;
}

.basemap-option-content {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.basemap-option-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.basemap-option-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ============================================================
   WPC Snow — sidebar selector buttons + legend
   ============================================================ */

.snow-btn-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.snow-period-btn,
.snow-pct-btn {
  flex: 1;
  padding: 6px 4px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: background 0.15s, border-color 0.15s;
  min-width: 0;
}

.snow-period-btn:hover,
.snow-pct-btn:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--brand-primary);
}

.snow-period-btn.active,
.snow-pct-btn.active {
  background: rgba(74,158,255,0.25);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.snow-legend {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.snow-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.snow-legend-swatch {
  width: 15px;
  height: 15px;
  border-radius: 2px;
  flex-shrink: 0;
}

.snow-legend-label {
  font-size: 12px;
  color: var(--text-primary);
}

/* ============================================================
   Snow context menu (mirrors #hazard-context-menu)
   ============================================================ */

#snow-context-menu {
  position: fixed;
  display: none;
  background: #1a1a33;
  border: 1px solid var(--border);
  border-radius: 5px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.7);
  z-index: 3000;
  min-width: 200px;
  overflow: hidden;
  font-family: var(--font-main);
  font-size: 13px;
}

/* ============================================================
   Sidebar layer groups
   ============================================================ */

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

.group-header {
  background: var(--bg-group);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 6px 10px 6px 12px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--text-label);
  text-transform: uppercase;
  cursor: pointer;
  user-select: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.1s;
}

.group-header:hover { background: var(--bg-row-hover); }

.group-header .group-meta {
  font-size: 9px;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  display: flex;
  align-items: center;
  gap: 6px;
}

.group-header .group-chevron {
  font-size: 9px;
  color: var(--text-muted);
  transition: transform 0.15s;
}

.group-header.collapsed .group-chevron { transform: rotate(-90deg); }

.group-content.hidden { display: none; }

/* ---- Instruction hint (for radio groups) ---- */
.group-hint {
  font-size: 9px;
  color: var(--text-muted);
  padding: 3px 12px 3px 14px;
  font-style: italic;
  border-bottom: 1px solid var(--border-light);
}

/* ---- Layer rows ---- */
.layer-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px 5px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-light);
  transition: background 0.1s;
  user-select: none;
}

.layer-row:hover { background: var(--bg-row-hover); }
.layer-row.active { background: var(--bg-row-active); }

.layer-row.locked {
  cursor: default;
  opacity: 0.5;
}

.layer-row.locked:hover { background: transparent; }

/* Color swatch */
.layer-swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.15);
}

/* Radio / checkbox inputs */
.layer-input {
  flex-shrink: 0;
  width: 13px;
  height: 13px;
  accent-color: var(--brand-primary);
  cursor: pointer;
}

.layer-row.locked .layer-input { pointer-events: none; }

.layer-label {
  flex: 1;
  font-size: 11px;
  color: var(--text-primary);
  line-height: 1.3;
}

.layer-row.locked .layer-label { color: var(--locked-text); }

.lock-icon {
  font-size: 10px;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* ---- NWS All On/Off bar ---- */
.nws-all-bar {
  display: flex;
  gap: 6px;
  padding: 5px 12px;
  border-bottom: 1px solid var(--border);
}

.nws-all-btn {
  flex: 1;
  padding: 3px 6px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--bg-row-hover);
  color: var(--text-label);
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
}

.nws-all-btn:hover {
  background: var(--bg-row-active);
  color: var(--text-active);
}

/* ============================================================
   Map Legend (NWS active alerts)
   ============================================================ */

#map-legend {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  background: rgba(10, 10, 26, 0.88);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 8px 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  max-width: calc(100% - 40px);
  backdrop-filter: blur(4px);
  pointer-events: none;
}

#map-legend.hidden { display: none; }

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

.legend-swatch {
  display: inline-block;
  width: 15px;
  height: 15px;
  border-radius: 2px;
  border: 1px solid rgba(255,255,255,0.2);
  flex-shrink: 0;
}

.legend-label {
  font-size: 12px;
  color: var(--text-primary);
}

/* ============================================================
   Footer / map attribution area
   ============================================================ */

#map-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 4px 8px;
  background: rgba(10,10,22,0.75);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  color: var(--text-muted);
  pointer-events: none;
  z-index: 500;
}

/* ============================================================
   Loading overlay
   ============================================================ */

#loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,22,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  font-size: 13px;
  color: var(--text-secondary);
  gap: 10px;
}

#loading-overlay.hidden { display: none; }

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid #333355;
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   Leaflet overrides
   ============================================================ */

.leaflet-container { background: #0d0d1a; }

.leaflet-popup-content-wrapper {
  background: #1a1a33;
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.6);
  font-size: 12px;
  max-width: 280px;
}

.leaflet-popup-tip { background: #1a1a33; }
.leaflet-popup-close-button { color: var(--text-secondary) !important; }

.leaflet-control-attribution {
  background: rgba(10,10,22,0.7) !important;
  color: #444466 !important;
  font-size: 9px !important;
}

.leaflet-control-attribution a { color: #666688 !important; }

.leaflet-control-zoom a {
  background: #1a1a33 !important;
  color: var(--text-primary) !important;
  border-color: var(--border) !important;
}

.leaflet-control-zoom a:hover { background: var(--bg-row-hover) !important; }

/* Allow wider popups for NWS full details */
.leaflet-popup-content-wrapper { max-width: none !important; }

/* Snow popups use v1 light theme — override dark defaults */
.snow-query-popup .leaflet-popup-content-wrapper,
.snow-minimal-popup .leaflet-popup-content-wrapper {
  background: white !important;
  color: #333 !important;
  border: 1px solid #ccc !important;
  box-shadow: 2px 2px 8px rgba(0,0,0,0.25) !important;
}
.snow-query-popup .leaflet-popup-tip,
.snow-minimal-popup .leaflet-popup-tip { background: white !important; }
.snow-query-popup .leaflet-popup-close-button,
.snow-minimal-popup .leaflet-popup-close-button { color: #666 !important; }

/* ============================================================
   NWS Hazard context menu
   ============================================================ */

#hazard-context-menu {
  position: fixed;
  display: none;
  background: #1a1a33;
  border: 1px solid var(--border);
  border-radius: 5px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.7);
  z-index: 3000;
  min-width: 200px;
  overflow: hidden;
  font-family: var(--font-main);
  font-size: 13px;
}

.hcm-header {
  padding: 8px 14px;
  background: #0f0f20;
  color: var(--text-label);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.hcm-item {
  padding: 9px 14px;
  cursor: pointer;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.1s;
}

.hcm-item:last-child { border-bottom: none; }
.hcm-item:hover { background: var(--bg-row-hover); }
.hcm-item-danger { color: #cc6666; }
.hcm-item-danger:hover { background: #2a1a1a; }

/* ============================================================
   Drawing Tools
   ============================================================ */

.drawing-cursor { cursor: crosshair !important; }
.drawing-cursor .leaflet-interactive { cursor: crosshair !important; }

.draw-section {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}

.draw-section-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
}

.draw-tool-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.draw-tool-btn {
  flex: 1 1 auto;
  padding: 7px 6px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg-group);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.draw-tool-btn:hover { background: var(--bg-row-hover); border-color: var(--brand-primary); }
.draw-tool-btn.active { background: var(--brand-primary); border-color: var(--brand-primary); color: #fff; }

.draw-color-row {
  display: flex;
  gap: 5px;
  align-items: center;
  flex-wrap: wrap;
}

.draw-color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.1s, border-color 0.1s;
}
.draw-color-swatch:hover { transform: scale(1.15); }
.draw-color-swatch.active { border-color: #fff; box-shadow: 0 0 0 1px var(--brand-primary); }

.draw-action-btn {
  flex: 1 1 auto;
  padding: 7px 10px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--bg-group);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.draw-action-btn:disabled { opacity: 0.35; cursor: default; }
.draw-action-btn:not(:disabled):hover { background: var(--bg-row-hover); }
.draw-action-btn.draw-finish { background: #1a3a1a; border-color: #4CAF50; color: #4CAF50; }
.draw-action-btn.draw-finish:hover { background: #223a22; }
.draw-action-btn.draw-clear { color: #cc6666; }
.draw-action-btn.draw-clear:not(:disabled):hover { background: #2a1a1a; }

/* H / L pressure markers */
.draw-symbol-marker {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: 900;
  font-family: Arial, sans-serif;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.7), -1px -1px 3px rgba(0,0,0,0.5);
  user-select: none;
  cursor: move;
}

/* ── Text Label Overlay ─────────────────────────────────────────────────── */
#textbox-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 500;
}

.draw-textbox {
  position: absolute;
  min-width: 80px;
  min-height: 44px;
  background: rgba(10, 10, 20, 0.82);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 5px;
  box-shadow: 0 3px 12px rgba(0,0,0,0.55);
  pointer-events: auto;
  resize: both;
  overflow: auto;
  display: flex;
  flex-direction: column;
}

.draw-textbox-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3px 6px;
  background: rgba(255,255,255,0.08);
  cursor: move;
  user-select: none;
  flex-shrink: 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.draw-textbox-title {
  font-size: 10px;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.draw-textbox-close {
  cursor: pointer;
  color: rgba(255,255,255,0.4);
  font-size: 13px;
  line-height: 1;
  padding: 1px 2px;
  border-radius: 2px;
}
.draw-textbox-close:hover { color: #fff; background: rgba(255,80,80,0.35); }

.draw-textbox-content {
  flex: 1;
  padding: 6px 8px;
  outline: none;
  word-break: break-word;
  white-space: pre-wrap;
  line-height: 1.4;
  font-family: Arial, sans-serif;
  font-weight: 600;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.8);
  cursor: text;
}

/* Font size buttons */
.draw-font-btn {
  flex: 1;
  padding: 4px 2px;
  background: var(--bg-row);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
}
.draw-font-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.draw-font-btn:hover:not(.active) { background: var(--bg-row-hover); }