/* ============================================================
   UK American Revolution Heritage Trail — Map Styles
   Aesthetic: Antiquarian cartographic / aged parchment
   ============================================================ */

:root {
  /* Parchment palette */
  --parchment:       #f4edd3;
  --parchment-dark:  #e8ddbf;
  --parchment-deep:  #d6c9a5;
  --ink:             #2c1e0e;
  --ink-light:       #5c4a32;
  --ink-muted:       #8a7558;
  --sepia:           #6b4226;
  --rust:            #8b3a1e;
  --ox-blood:        #6e1423;
  --gold:            #b8860b;
  --gold-light:      #d4a843;

  /* Theme marker colours */
  --clr-political:      #8b3a1e;
  --clr-military:       #3a4f6b;
  --clr-people:         #6b4226;
  --clr-diplomatic:     #4a6741;
  --clr-commercial:     #7a6320;
  --clr-protest:        #7b2d4e;
  --clr-commemoration:  #4e5a6e;

  /* Layout */
  --header-height: 72px;
  --controls-width: 280px;

  /* Type */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Libre Baskerville', 'Times New Roman', serif;
}

/* ---- Reset & base ---- */

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

html, body {
  height: 100%;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--parchment);
}

/* ---- Header ---- */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-height);
  background:
    linear-gradient(180deg, var(--ink) 0%, #3d2b16 100%);
  border-bottom: 3px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 24px;
}

.header-ornament-left,
.header-ornament-right {
  width: 40px;
  height: 1px;
  background: var(--gold);
  opacity: 0.6;
}

.header-content { text-align: center; }

.header-supertitle {
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 2px;
}

.header-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.06em;
  color: var(--parchment);
  line-height: 1.1;
}

.header-subtitle {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.7rem;
  color: var(--parchment-deep);
  margin-top: 1px;
}

/* ---- Controls panel ---- */

.controls-panel {
  position: fixed;
  top: var(--header-height);
  left: 0;
  bottom: 0;
  width: var(--controls-width);
  z-index: 900;
  background:
    linear-gradient(135deg, var(--parchment) 0%, var(--parchment-dark) 100%);
  border-right: 2px solid var(--parchment-deep);
  overflow-y: auto;
  transition: transform 0.35s ease;
  box-shadow: 2px 0 10px rgba(0,0,0,0.12);
}

.controls-toggle {
  display: none;
  position: absolute;
  top: 10px;
  right: -48px;
  width: 44px;
  height: 44px;
  border: 2px solid var(--parchment-deep);
  border-left: none;
  border-radius: 0 6px 6px 0;
  background: var(--parchment);
  color: var(--ink);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 2px 2px 6px rgba(0,0,0,0.1);
}

.toggle-label {
  font-family: var(--font-body);
  font-size: 0.5rem;
  letter-spacing: 0.05em;
}

.controls-body { padding: 20px 18px; }

.controls-section { margin-bottom: 20px; }

.controls-heading {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sepia);
  border-bottom: 1px solid var(--parchment-deep);
  padding-bottom: 6px;
  margin-bottom: 10px;
}

/* Filter checkboxes */
.filter-group { display: flex; flex-direction: column; gap: 4px; }

.filter-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 6px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s;
  font-size: 0.8rem;
  color: var(--ink-light);
}

.filter-item:hover { background: var(--parchment-dark); }

.filter-item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border: 2px solid var(--ink-muted);
  border-radius: 3px;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: border-color 0.15s, background 0.15s;
}

.filter-item input[type="checkbox"]:checked {
  border-color: var(--sepia);
  background: var(--sepia);
}

.filter-item input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: -1px; left: 1px;
  font-size: 12px;
  color: var(--parchment);
  font-weight: 700;
}

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

.filter-label {
  font-family: var(--font-body);
  line-height: 1.3;
}

/* Reset button */
.btn-reset {
  display: block;
  width: 100%;
  padding: 8px 12px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--parchment);
  background: var(--sepia);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-reset:hover { background: var(--rust); }

.site-count {
  text-align: center;
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--ink-muted);
  font-style: italic;
}

/* ---- Map ---- */

#map {
  position: fixed;
  top: var(--header-height);
  left: var(--controls-width);
  right: 0;
  bottom: 0;
  z-index: 100;
  background: var(--parchment-dark);
}

/* ---- Custom markers ---- */

.trail-marker {
  width: 28px;
  height: 28px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  border: 2px solid rgba(255,255,255,0.8);
  box-shadow: 0 2px 6px rgba(0,0,0,0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}

.trail-marker:hover {
  transform: rotate(-45deg) scale(1.2);
  box-shadow: 0 4px 12px rgba(0,0,0,0.45);
}

/* ---- Popups ---- */

.leaflet-popup-content-wrapper {
  border-radius: 4px !important;
  background: var(--parchment) !important;
  border: 1px solid var(--parchment-deep) !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25) !important;
  padding: 0 !important;
}

.leaflet-popup-content {
  margin: 0 !important;
  font-family: var(--font-body) !important;
  font-size: 0.8rem !important;
  line-height: 1.5 !important;
  color: var(--ink) !important;
  max-width: 320px;
  min-width: 260px;
}

.leaflet-popup-tip {
  background: var(--parchment) !important;
  border: 1px solid var(--parchment-deep) !important;
}

.popup-inner { padding: 16px 18px 14px; }

.popup-theme-bar {
  height: 4px;
  border-radius: 4px 4px 0 0;
}

.popup-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 2px;
  line-height: 1.25;
}

.popup-dates {
  font-size: 0.72rem;
  color: var(--ink-muted);
  font-style: italic;
  margin-bottom: 8px;
}

.popup-badges {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.popup-badge {
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 3px;
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--parchment);
}

.popup-summary {
  font-size: 0.8rem;
  margin-bottom: 10px;
  line-height: 1.55;
}

.popup-detail {
  font-size: 0.72rem;
  color: var(--ink-light);
  margin-bottom: 3px;
}

.popup-detail strong {
  color: var(--ink);
}

.popup-divider {
  border: none;
  border-top: 1px solid var(--parchment-deep);
  margin: 10px 0;
}

/* ---- Legend ---- */

.map-legend {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 800;
  background: var(--parchment);
  border: 1px solid var(--parchment-deep);
  border-radius: 4px;
  padding: 12px 14px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
  font-size: 0.7rem;
}

.legend-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sepia);
  margin-bottom: 6px;
}

.legend-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 2px 0;
  color: var(--ink-light);
  font-family: var(--font-body);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.4);
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
    --controls-width: 260px;
  }

  .header-ornament-left,
  .header-ornament-right { display: none; }

  .header-title { font-size: 1.1rem; }
  .header-supertitle { font-size: 0.58rem; }

  .controls-panel {
    transform: translateX(-100%);
  }

  .controls-panel.open {
    transform: translateX(0);
  }

  .controls-toggle {
    display: flex;
  }

  #map {
    left: 0;
  }

  .map-legend {
    bottom: 10px;
    right: 10px;
    max-width: 160px;
    font-size: 0.65rem;
  }
}

@media (max-width: 480px) {
  .header-subtitle { display: none; }
  .header-title { font-size: 1rem; }

  .leaflet-popup-content {
    min-width: 220px;
    max-width: 260px;
  }
}