/* ═══════════════════════════════════════════════════════════
   layout.css — Shell layout styles
   Z-index hierarchy, GPS, theme, kebab menu, map container.
   ═══════════════════════════════════════════════════════════ */

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

html, body {
  height: 100%;
  overflow: hidden;
  font-family: 'Fira Sans', system-ui, -apple-system, sans-serif;
}

body {
  background: #0F172A;
  color: #F8FAFC;
}

/* ═══════════════════════════════════════════════════════════
   Z-Index Hierarchy
   ═══════════════════════════════════════════════════════════
   1   - #map
   5   - #brand-mark, map buttons (#locate-btn, #toolbar/theme,
        #basemap-gallery, compass+zoom) — all BELOW the info panel
   10  - #panel (sidebar)
   20  - #search-bar
   40  - #menu-btn, #menu-panel
   100 - #loading (must be above ALL UI)
   1000 - #drop-overlay
   ═══════════════════════════════════════════════════════════ */

/* ─── Map container (full screen) ─────────────────────────── */
#map {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

/* ─── Sidebar placeholder — unused ────────────────────────── */
#sidebar {
  display: none;
}

/* ─── Watermark logo (bottom-center) — Google-Maps-style: dark
   fill + white outline via paint-order, no glow needed. ──── */
#brand-mark {
  position: fixed;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  width: 150px;
  height: 26px;
  overflow: visible;
  pointer-events: none;
  user-select: none;
}

#brand-mark text {
  /* Dark fill, white outline, drawn OUTWARD via paint-order. */
  fill: #0F172A;
  stroke: #FFFFFF;
  stroke-width: 3px;
  paint-order: stroke fill;
  /* Subtle offset drop shadow, like the real Google Maps mark. */
  filter: drop-shadow(0 1px 1.5px rgba(0, 0, 0, 0.35));
}

/* Invert on dark basemaps: light fill, dark outline. */
body:not(.light) #brand-mark text {
  fill: #FFFFFF;
  stroke: #0F172A;
}

/* ─── GPS/locate button (top-left, beside panel) ─────────── */
#locate-btn {
  position: absolute;
  top: 12px;
  left: 352px;
  z-index: 5;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.1);
  background: #0F172A;
  color: #E2E8F0;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 150ms ease, transform 150ms ease;
}

#locate-btn:hover {
  background: #1E293B;
}

#locate-btn:active {
  transform: scale(0.95);
}

#locate-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px #2563EB;
}

#locate-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ─── Top-left toolbar (theme toggle) — below zoom controls ── */
#toolbar {
  position: absolute;
  top: 165px;
  left: 352px;
  z-index: 5;
  display: flex;
  align-items: center;
}

#theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.1);
  background: #0F172A;
  color: #E2E8F0;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  transition: background 150ms ease, transform 150ms ease;
}

#theme-btn:hover {
  background: #1E293B;
}

#theme-btn:active {
  transform: scale(0.98);
}

#theme-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px #2563EB;
}

#theme-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ─── Basemap picker (below theme toggle) ─────────────────── */
#basemap-gallery {
  position: absolute;
  top: 209px;
  bottom: auto;
  left: 352px;
  z-index: 5;
}

#basemap-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.1);
  background: #0F172A;
  color: #E2E8F0;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  transition: background 150ms ease, transform 150ms ease;
}

#basemap-btn:hover {
  background: #1E293B;
}

#basemap-btn:active {
  transform: scale(0.98);
}

#basemap-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px #2563EB;
}

#basemap-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

#basemap-dropdown {
  position: absolute;
  top: 0;
  left: calc(100% + 8px);
  z-index: 30;
  display: none;
  min-width: 160px;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.15);
  padding: 6px;
  overflow: hidden;
}

#basemap-dropdown.open {
  display: block;
}

.basemap-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 10px;
  border: none;
  border-radius: 7px;
  background: transparent;
  color: #334155;
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  transition: background 150ms ease;
  text-align: left;
}

.basemap-item:hover {
  background: #F1F5F9;
}

.basemap-item.active {
  background: rgba(37, 99, 235, 0.1);
  color: #1D4ED8;
  font-weight: 600;
}

.basemap-item .swatch {
  width: 18px;
  height: 12px;
  border-radius: 3px;
  border: 1px solid rgba(15, 23, 42, 0.15);
  flex-shrink: 0;
}

.basemap-item .label {
  flex: 1;
}

.basemap-item .check {
  font-size: 11px;
  opacity: 0;
}

.basemap-item.active .check {
  opacity: 1;
}

body.light #basemap-btn {
  background: #FFFFFF;
  border-color: #E0E0E0;
  color: #333333;
}

/* Dark theme basemap dropdown */
body:not(.light) #basemap-dropdown {
  background: #0F172A;
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 24px rgba(2, 8, 23, 0.5);
}

body:not(.light) .basemap-item {
  color: #E2E8F0;
}

body:not(.light) .basemap-item:hover {
  background: rgba(255, 255, 255, 0.06);
}

body:not(.light) .basemap-item.active {
  background: rgba(37, 99, 235, 0.2);
  color: #93C5FD;
}

body:not(.light) .basemap-item .swatch {
  border-color: rgba(255, 255, 255, 0.2);
}

/* ─── Kebab menu button (left of search bar) ─────────────── */
#menu-btn {
  position: absolute;
  top: 12px;
  right: calc(340px + 12px + 8px);
  left: auto;
  z-index: 40;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 50%;
  color: #E2E8F0;
  cursor: pointer;
  transition: background 150ms ease;
}

#menu-btn:hover {
  background: rgba(255,255,255,0.08);
}

#menu-btn:active {
  transform: scale(0.98);
}

#menu-btn.open {
  background: rgba(37, 99, 235, 0.18);
  color: #93C5FD;
}

/* ─── Menu dropdown panel (below kebab, aligned left) ─────── */
#menu-panel {
  position: absolute;
  top: 56px;
  right: calc(340px + 12px + 8px);
  left: auto;
  z-index: 40;
  width: 240px;
  background: #0F172A;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(2, 8, 23, 0.5);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

#menu-panel[hidden] {
  display: none;
}

.menu-header {
  font-size: 14px;
  font-weight: 700;
  color: #F8FAFC;
  padding: 8px 10px 6px;
  letter-spacing: 0.02em;
}

.menu-section-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748B;
  padding: 8px 10px 4px;
}

.menu-divider {
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin: 6px 4px;
}

/* ─── Mode rows (full-width buttons inside the panel) ─────── */
#menu-panel .mode-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: #94A3B8;
  font-size: 13px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: all 150ms ease;
}

#menu-panel .mode-btn:hover {
  background: #1E293B;
  color: #F8FAFC;
}

#menu-panel .mode-btn:active {
  transform: scale(0.98);
}

#menu-panel .mode-btn.active {
  background: rgba(37,99,235,0.15);
  border-color: rgba(37,99,235,0.4);
  color: #2563EB;
  font-weight: 600;
}

#menu-panel .mode-btn .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  line-height: 1;
}

#menu-panel .mode-btn .icon svg {
  width: 20px;
  height: 20px;
}

/* ─── Basemap row ─────────────────────────────────────────── */
.menu-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
}

.menu-row-label {
  font-size: 13px;
  color: #CBD5E1;
}

#basemap-select {
  appearance: none;
  -webkit-appearance: none;
  background: #0F172A;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 6px 26px 6px 10px;
  font-size: 12px;
  color: #F8FAFC;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

#basemap-select:hover {
  border-color: #475569;
}

#basemap-select:focus {
  outline: none;
  border-color: #2563EB;
  box-shadow: 0 0 0 2px rgba(37,99,235,0.2);
}

/* ═══════════════════════════════════════════════════════════
   Light theme — shell elements only
   ═══════════════════════════════════════════════════════════ */
body.light {
  background: #F1F5F9;
  color: #1E293B;
}

body.light #locate-btn {
  background: #FFFFFF;
  border-color: #E0E0E0;
  color: #333333;
}

body.light #locate-btn:hover {
  background: #F5F5F5;
}

body.light #theme-btn {
  background: #FFFFFF;
  border-color: #E0E0E0;
  color: #333333;
}

body.light #theme-btn:hover {
  background: #F5F5F5;
}

body.light #menu-btn {
  background: transparent;
  color: #334155;
}

body.light #menu-btn:hover {
  background: rgba(15, 23, 42, 0.06);
}

body.light #menu-btn.open {
  background: rgba(37, 99, 235, 0.12);
  color: #1D4ED8;
}

body.light #menu-panel {
  background: #FFFFFF;
  border-color: #E2E8F0;
  box-shadow: 0 8px 32px rgba(15,23,42,0.12);
}

body.light .menu-header {
  color: #0F172A;
}

body.light .menu-section-label {
  color: #94A3B8;
}

body.light .menu-divider {
  background: #E2E8F0;
}

body.light #menu-panel .mode-btn {
  color: #64748B;
}

body.light #menu-panel .mode-btn:hover {
  background: #F1F5F9;
  color: #0F172A;
}

body.light #menu-panel .mode-btn.active {
  background: rgba(37,99,235,0.12);
  border-color: rgba(37,99,235,0.4);
  color: #2563EB;
}

body.light .menu-row-label {
  color: #475569;
}

body.light #basemap-select {
  background: #F8FAFC;
  border-color: #E2E8F0;
  color: #0F172A;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

body.light #basemap-select:hover {
  border-color: #CBD5E1;
}

body.light #basemap-select:focus {
  box-shadow: 0 0 0 2px rgba(37,99,235,0.25);
}

/* Option elements inherit browser default colors unless set */
#basemap-select option {
  background: #0F172A;
  color: #F8FAFC;
}
body.light #basemap-select option {
  background: #FFFFFF;
  color: #0F172A;
}

/* ═══════════════════════════════════════════════════════════
   Mobile
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 600px) {
  #locate-btn {
    top: 8px;
    left: 8px;
    width: 44px;
    height: 44px;
  }

  #toolbar {
    top: 60px;
    left: 8px;
  }

  #theme-btn {
    width: 44px;
    height: 44px;
  }

  #menu-btn {
    top: 8px;
    right: 8px;
    left: auto;
    width: 46px;
    height: 46px;
  }

  #menu-panel {
    top: 60px;
    right: 8px;
    left: auto;
    width: 240px;
  }
}