/* ============================================================
   map.css — Shared styles + Viewer-specific styles
   ============================================================ */

/* --------------------------------------------------------
   Theme tokens (CSS custom properties)
   All colour decisions live here. Update values in
   [data-theme="light"] to adjust the light palette.
   -------------------------------------------------------- */
:root {
  /* Backgrounds */
  --c-bg-page:         #111827;
  --c-bg-toolbar:      #1f2937;
  --c-bg-panel:        #1f2937;  /* popups, path panel, legend, zoom box */
  --c-bg-viewport:     #1e293b;
  --c-bg-input:        #374151;  /* selects, color picker */
  --c-bg-btn:          #374151;
  --c-bg-btn-hover:    #4b5563;
  --c-bg-btn-active:   #1f2937;

  /* Borders */
  --c-border:          #374151;
  --c-border-input:    #4b5563;

  /* Text */
  --c-text:            #f3f4f6;
  --c-text-title:      #f9fafb;
  --c-text-secondary:  #d1d5db;
  --c-text-muted:      #9ca3af;
  --c-text-faint:      #6b7280;

  /* SVG map elements (use fill/stroke, not color) */
  --c-wp-label-fill:   #e2e8f0;
  --c-wp-label-stroke: #1e293b;
  --c-area-label-fill: #f1f5f9;

  /* Accent */
  --c-accent-mono:     #a5b4fc;  /* monospace short-name text */

  /* Decorative */
  --c-floor-badge-bg:  rgba(17,24,39,0.85);
  --c-popup-shadow:    0 8px 24px rgba(0,0,0,0.5);
  --c-panel-shadow:    0 4px 16px rgba(0,0,0,0.4);

  /* Scrollbar */
  --c-scrollbar-track: #1f2937;
  --c-scrollbar-thumb: #4b5563;
  --c-scrollbar-hover: #6b7280;
}

/* ---- Light theme overrides ---- */
[data-theme="light"] {
  --c-bg-page:         #f8fafc;
  --c-bg-toolbar:      #ffffff;
  --c-bg-panel:        #ffffff;
  --c-bg-viewport:     #dce6ef;
  --c-bg-input:        #f1f5f9;
  --c-bg-btn:          #f1f5f9;
  --c-bg-btn-hover:    #e2e8f0;
  --c-bg-btn-active:   #cbd5e1;

  --c-border:          #d1dae0;
  --c-border-input:    #94a3b8;

  --c-text:            #1e293b;
  --c-text-title:      #0f172a;
  --c-text-secondary:  #334155;
  --c-text-muted:      #64748b;
  --c-text-faint:      #94a3b8;

  --c-wp-label-fill:   #1e293b;
  --c-wp-label-stroke: #f8fafc;
  /* --c-area-label-fill is intentionally NOT overridden here — the label pill
     background is hardcoded dark (rgba(17,24,39,0.72)) in map-core.js so the
     text must stay light in both themes. */

  --c-accent-mono:     #4338ca;

  --c-floor-badge-bg:  rgba(248,250,252,0.92);
  --c-popup-shadow:    0 8px 24px rgba(0,0,0,0.12);
  --c-panel-shadow:    0 4px 16px rgba(0,0,0,0.08);

  --c-scrollbar-track: #e2e8f0;
  --c-scrollbar-thumb: #94a3b8;
  --c-scrollbar-hover: #64748b;
}

/* --------------------------------------------------------
   Reset & base
   -------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  background: var(--c-bg-page);
  color: var(--c-text);
  overflow: hidden;
  /* Respect iPhone notch / home-indicator safe areas */
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

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

#toolbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--c-bg-toolbar);
  border-bottom: 1px solid var(--c-border);
  flex-wrap: wrap;
  z-index: 100;
}

#toolbar .toolbar-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-text-title);
  margin-right: 8px;
  white-space: nowrap;
}

#map-container {
  flex: 1 1 auto;
  position: relative;
  overflow: hidden;
}

/* --------------------------------------------------------
   Map viewport and stage
   -------------------------------------------------------- */
#map-viewport {
  position: absolute;
  inset: 0;
  overflow: hidden;
  cursor: grab;
  background: var(--c-bg-viewport);
  user-select: none;
  -webkit-user-select: none;
  touch-action: none; /* hand all touch events to JS for pan/pinch */
}

#map-viewport:active {
  cursor: grabbing;
}

#map-stage {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
}

/* --------------------------------------------------------
   Floor layers
   -------------------------------------------------------- */
.floor-layer {
  position: relative;
  display: inline-block;
  /* White background so transparent PNGs render cleanly */
  background: #ffffff;
}

.floor-image {
  display: block;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  /* Ensure transparent areas show white, not the map canvas behind */
  background: #ffffff;
}

.floor-svg {
  position: absolute;
  top: 0;
  left: 0;
  overflow: visible;
}

/* --------------------------------------------------------
   SVG elements
   -------------------------------------------------------- */
.map-area {
  transition: fill 0.15s ease;
}

.map-waypoint circle {
  transition: r 0.1s ease;
}

.map-waypoint:hover circle {
  r: 11;
}

.waypoint-label {
  font-size: 11px;
  fill: var(--c-wp-label-fill);
  pointer-events: none;
  paint-order: stroke;
  stroke: var(--c-wp-label-stroke);
  stroke-width: 3px;
}

/* Toggle labels off via classes on #map-viewport */
.hide-waypoint-labels .waypoint-label {
  display: none;
}

.hide-area-labels .area-label {
  display: none;
}

/* Area name label text */
.area-label-text {
  font-size: 11px;
  fill: var(--c-area-label-fill);
  font-weight: 600;
  paint-order: stroke;
  stroke: none;
}

/* Click-to-path start/end highlights */
.map-waypoint.path-start-highlight circle {
  fill: #22c55e !important;
  stroke: #16a34a !important;
}
.map-waypoint.path-end-highlight circle {
  fill: #ef4444 !important;
  stroke: #dc2626 !important;
}
.map-area.path-start-highlight {
  stroke: #22c55e !important;
  stroke-width: 3px !important;
}
.map-area.path-end-highlight {
  stroke: #ef4444 !important;
  stroke-width: 3px !important;
}

/* Path color picker in toolbar / path panel */
input[type="color"].path-color-picker {
  width: 32px;
  height: 26px;
  padding: 1px 2px;
  border-radius: 4px;
  border: 1px solid var(--c-border-input);
  background: var(--c-bg-input);
  cursor: pointer;
  vertical-align: middle;
}

/* --------------------------------------------------------
   Popup
   -------------------------------------------------------- */
#popup-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 200;
}

#map-popup {
  position: absolute;
  pointer-events: auto;
  background: var(--c-bg-panel);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  box-shadow: var(--c-popup-shadow);
  min-width: 220px;
  max-width: 320px;
  max-height: 70vh;
  transform: translate(-50%, calc(-100% - 16px));
  font-size: 0.875rem;
  overflow: hidden;
  display: none;
}

/* Scrollable body inside popup so header stays pinned and long content is accessible */
.popup-body {
  overflow-y: auto;
  max-height: calc(70vh - 48px); /* subtract header height */
}

#map-popup::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: var(--c-border);
  border-bottom: none;
}

.popup-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 10px 12px 8px;
  border-bottom: 1px solid var(--c-border);
  gap: 8px;
}

.popup-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-text-title);
  line-height: 1.3;
}

.popup-close {
  background: none;
  border: none;
  color: var(--c-text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  padding: 0 2px;
  flex-shrink: 0;
}

.popup-close:hover { color: var(--c-text-title); }

.popup-details {
  padding: 8px 12px;
  color: var(--c-text-secondary);
  line-height: 1.5;
  font-size: 0.8rem;
}

.popup-image {
  width: 100%;
  max-height: 140px;
  object-fit: cover;
  display: block;
}

.popup-metadata {
  padding: 6px 12px 8px;
  border-top: 1px solid var(--c-border);
}

.popup-meta-row {
  display: flex;
  gap: 6px;
  font-size: 0.78rem;
  padding: 2px 0;
}

.meta-key {
  color: var(--c-text-muted);
  font-weight: 500;
  flex-shrink: 0;
  text-transform: capitalize;
}

.meta-val {
  color: var(--c-text-secondary);
}

.popup-floor {
  padding: 4px 12px 8px;
  font-size: 0.75rem;
  color: var(--c-text-faint);
  font-style: italic;
}

/* System info block (ID, type, floor) — separated by a faint border */
.popup-system-info {
  padding: 6px 12px 8px;
  border-top: 1px solid var(--c-border);
}

.popup-system-info .meta-key {
  color: var(--c-text-faint);
}

.popup-short-name {
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--c-accent-mono);
}

/* List metadata in popup */
.popup-meta-list {
  padding: 4px 0 2px;
  font-size: 0.78rem;
}

.popup-list-label {
  display: block;
  margin-bottom: 3px;
}

.popup-list {
  margin: 0 0 2px 16px;
  padding: 0;
  list-style: disc;
  color: var(--c-text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------
   Toolbar buttons & controls
   -------------------------------------------------------- */
.btn {
  padding: 5px 12px;
  border-radius: 5px;
  border: 1px solid var(--c-border-input);
  background: var(--c-bg-btn);
  color: var(--c-text);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.1s, border-color 0.1s;
  line-height: 1.4;
}

.btn:hover { background: var(--c-bg-btn-hover); border-color: var(--c-text-faint); }
.btn:active { background: var(--c-bg-btn-active); }

.btn-primary {
  background: #2563eb;
  border-color: #1d4ed8;
  color: #fff;
}
.btn-primary:hover { background: #1d4ed8; border-color: #1e40af; }

.btn-danger {
  background: #dc2626;
  border-color: #b91c1c;
  color: #fff;
}
.btn-danger:hover { background: #b91c1c; }

.btn-sm {
  padding: 3px 8px;
  font-size: 0.78rem;
}

.btn-group {
  display: flex;
  gap: 2px;
}

.btn-group .btn {
  border-radius: 0;
}

.btn-group .btn:first-child { border-radius: 5px 0 0 5px; }
.btn-group .btn:last-child { border-radius: 0 5px 5px 0; }

.toolbar-sep {
  width: 1px;
  height: 28px;
  background: var(--c-border);
  margin: 0 4px;
}

select.toolbar-select {
  padding: 4px 8px;
  border-radius: 5px;
  border: 1px solid var(--c-border-input);
  background: var(--c-bg-input);
  color: var(--c-text);
  font-size: 0.82rem;
  cursor: pointer;
}

select.toolbar-select:focus {
  outline: 2px solid #3b82f6;
  outline-offset: -2px;
}

label.toolbar-label {
  font-size: 0.82rem;
  color: var(--c-text-muted);
  white-space: nowrap;
}

input[type="checkbox"].toolbar-checkbox {
  accent-color: #3b82f6;
  cursor: pointer;
}

/* --------------------------------------------------------
   Pathfinding panel (viewer)
   -------------------------------------------------------- */
#path-panel {
  position: absolute;
  bottom: 16px;
  right: 16px;
  z-index: 300;
  background: var(--c-bg-panel);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  min-width: 260px;
  box-shadow: var(--c-panel-shadow);
  overflow: hidden;
}

.path-panel-toggle-btn {
  width: 100%;
  padding: 8px 14px;
  background: var(--c-bg-panel);
  border: none;
  color: var(--c-text);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: background 0.1s;
}
.path-panel-toggle-btn:hover { background: var(--c-bg-btn); }

#path-panel-body {
  padding: 8px 14px 12px;
  border-top: 1px solid var(--c-border);
}

#path-panel .path-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
}

#path-panel label {
  font-size: 0.78rem;
  color: var(--c-text-muted);
}

#path-panel select {
  width: 100%;
  padding: 5px 8px;
  border-radius: 5px;
  border: 1px solid var(--c-border-input);
  background: var(--c-bg-input);
  color: var(--c-text);
  font-size: 0.82rem;
}

#path-panel .path-actions {
  display: flex;
  gap: 6px;
}

#path-status {
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--c-text-muted);
  min-height: 1.2em;
}

/* --------------------------------------------------------
   Floor indicator badges
   -------------------------------------------------------- */
.floor-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--c-floor-badge-bg);
  border: 1px solid var(--c-border);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--c-text-secondary);
  pointer-events: none;
  z-index: 10;
}

/* --------------------------------------------------------
   Zoom percentage input (inside btn-group)
   -------------------------------------------------------- */
.zoom-box {
  display: inline-flex;
  align-items: center;
  background: var(--c-bg-panel);
  border: 1px solid var(--c-border-input);
  cursor: text;
}
.zoom-pct-input {
  width: 36px;
  padding: 5px 1px 5px 8px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--c-text);
  font-size: 0.82rem;
  text-align: right;
  -moz-appearance: textfield;
  appearance: textfield;
}
.zoom-pct-input::-webkit-inner-spin-button,
.zoom-pct-input::-webkit-outer-spin-button { -webkit-appearance: none; }
.zoom-pct-unit {
  color: var(--c-text-muted);
  font-size: 0.82rem;
  padding-right: 6px;
  user-select: none;
}
.zoom-box:focus-within { outline: 2px solid #3b82f6; outline-offset: -2px; }

/* --------------------------------------------------------
   Legend panel — toolbar-triggered overlay, just below toolbar
   -------------------------------------------------------- */
#legend-panel {
  position: absolute;
  top: 52px;
  left: 8px;
  z-index: 300;
  background: var(--c-bg-panel);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  box-shadow: var(--c-panel-shadow);
  min-width: 200px;
  overflow: hidden;
  display: none; /* opened by ☰ Key toolbar button */
}

.legend-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px 8px 14px;
  border-bottom: 1px solid var(--c-border);
}

.legend-header-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--c-text);
}

.legend-close-btn {
  background: none;
  border: none;
  color: var(--c-text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  padding: 0 2px;
  flex-shrink: 0;
}
.legend-close-btn:hover { color: var(--c-text-title); }

#legend-body {
  padding: 8px 14px 12px;
}

.legend-section {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--c-text-faint);
  margin: 8px 0 4px;
}
.legend-section:first-child { margin-top: 0; }

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--c-text-secondary);
  padding: 3px 0;
  white-space: nowrap;
}
.legend-item svg { flex-shrink: 0; }

/* --------------------------------------------------------
   Display options panel — right-anchored, same style family as legend panel
   -------------------------------------------------------- */
#display-panel {
  position: absolute;
  top: 52px;
  right: 8px;
  z-index: 300;
  background: var(--c-bg-panel);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  box-shadow: var(--c-panel-shadow);
  min-width: 190px;
  overflow: hidden;
  display: none; /* opened by ⊞ Display toolbar button */
}

#display-panel-body {
  padding: 6px 14px 10px;
}

.display-option-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 4px;
  font-size: 0.82rem;
  color: var(--c-text-secondary);
  cursor: pointer;
  border-radius: 4px;
  user-select: none;
}

.display-option-row:hover {
  background: var(--c-bg-btn);
}

/* --------------------------------------------------------
   Scrollbar
   -------------------------------------------------------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--c-scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--c-scrollbar-thumb); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-scrollbar-hover); }

/* --------------------------------------------------------
   Touch / coarse-pointer tap target sizing
   -------------------------------------------------------- */
@media (pointer: coarse) {
  .btn {
    min-height: 40px;
    padding: 7px 14px;
  }
  .btn-sm {
    min-height: 36px;
    padding: 5px 12px;
  }
  .zoom-pct-input {
    min-height: 38px;
  }
}

/* --------------------------------------------------------
   Mobile layout (≤ 520 px logical — iPhone 16 Pro ~393 pt)
   -------------------------------------------------------- */
@media (max-width: 520px) {
  #toolbar {
    gap: 4px;
    padding: 6px 8px;
  }

  /* Hide separators to save horizontal space */
  .toolbar-sep { display: none; }

  /* Toolbar title compacted */
  #toolbar .toolbar-title { font-size: 0.88rem; margin-right: 4px; }

  /* Path panel: full-width strip at bottom */
  #path-panel {
    left: 8px;
    right: 8px;
    bottom: 8px;
    min-width: 0;
    width: auto;
  }

  /* Right-align the "Find Path" toggle label so it reads as a distinct element
     from the "Open full map" button overlaid at the bottom-left by the embed host. */
  .path-panel-toggle-btn {
    text-align: right;
  }

  /* Legend panel already anchored top-left below toolbar in base styles */
}

/* --------------------------------------------------------
   Tablet layout (521 – 900 px, e.g. iPad 10th gen ~820 pt)
   -------------------------------------------------------- */
@media (min-width: 521px) and (max-width: 900px) {
  #toolbar { gap: 6px; }

  #path-panel {
    right: 12px;
    bottom: 12px;
    min-width: 240px;
  }

  /* Legend panel position unchanged on tablet — already top-left below toolbar */
}