/* ============================================================
   APRIL UPRISING 1876 — MAP STYLES
   Museum / archival exhibit aesthetic
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&family=Playfair+Display:wght@600&display=swap");

/* ── Custom properties ───────────────────────────────────── */
:root {
  --c-crimson:    #7a1a1a;   /* primary / district center  */
  --c-okrazhen:   #7a7a7a;   /* okrazhen center            */
  --c-red:        #b83232;   /* settlement                 */
  --c-amber:      #c27020;   /* apostolic assembly         */
  --c-apostolic:  #00531c;   /* apostolic assembly marker  */
  --c-minor:      #8a8a8a;   /* point-minor                */
  --c-navy:       #1e3a5f;   /* detachment                 */

  --c-bg:         #ece8e1;   /* warm parchment background  */
  --c-panel:      #ffffff;
  --c-header:     #1c1616;   /* panel header               */
  --c-text:       #2a2a2a;
  --c-text-muted: #6a6060;
  --c-divider:    #ede8df;
  --c-scrollbar:  #c4b8a6;

  --sidebar-w:    440px;
  --gap:          10px;
  --radius:       6px;
  --shadow:       0 4px 28px rgba(0, 0, 0, 0.18);
  --transition:   0.3s ease;
}

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

html, body {
  width: 100%;
  height: 100%;
}

body {
  font-family: "Lato", sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  overflow: hidden;
  position: relative;
}

/* ── Map ─────────────────────────────────────────────────── */
#map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  position: absolute;
  top: var(--gap);
  left: var(--gap);
  width: var(--sidebar-w);
  height: calc(100% - 2 * var(--gap));
  background: var(--c-panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 900;
  display: flex;
  flex-direction: column;
  /* hidden off-screen to the left */
  transform: translateX(calc(-100% - var(--gap) - 16px));
  transition: transform var(--transition);
  overflow: hidden;
}

.sidebar.is-open {
  transform: translateX(0);
}

/* Shift Leaflet's own left controls when sidebar is open */
body.sidebar-open .leaflet-left {
  transition: transform var(--transition);
  transform: translateX(calc(var(--sidebar-w) + var(--gap) + 8px));
}

body:not(.sidebar-open) .leaflet-left {
  transition: transform var(--transition);
  transform: translateX(0);
}

/* ── Sidebar internals ───────────────────────────────────── */
.sidebar-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.sidebar-header {
  flex-shrink: 0;
  background: var(--c-header);
  color: #fff;
  padding: 16px 52px 16px 20px;
  position: relative;
}

.sidebar-title {
  font-family: "Playfair Display", serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.35;
}

.sidebar-close {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  background: rgba(255, 255, 255, 0.12);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.sidebar-close:hover,
.sidebar-close:focus-visible {
  background: rgba(255, 255, 255, 0.25);
  outline: none;
}

.sidebar-close svg {
  width: 18px;
  height: 18px;
  stroke: #fff;
  display: block;
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 22px;
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--c-text);
  scroll-behavior: smooth;
}

.sidebar-content p {
  margin-bottom: 0.9em;
}

.sidebar-content p:last-child {
  margin-bottom: 0;
}

/* Scrollbar */
.sidebar-content::-webkit-scrollbar {
  width: 5px;
}

.sidebar-content::-webkit-scrollbar-track {
  background: var(--c-divider);
}

.sidebar-content::-webkit-scrollbar-thumb {
  background: var(--c-scrollbar);
  border-radius: 3px;
}

.sidebar-source {
  flex-shrink: 0;
  border-top: 1px solid var(--c-divider);
  padding: 10px 22px;
  font-size: 0.78rem;
  font-style: italic;
  color: var(--c-text-muted);
}

/* ── Controls panel ──────────────────────────────────────── */
.controls-panel {
  position: absolute;
  top: var(--gap);
  right: var(--gap);
  background: var(--c-panel);
  border-radius: var(--radius);
  box-shadow: 0 2px 18px rgba(0, 0, 0, 0.13);
  z-index: 900;
  min-width: 204px;
  overflow: hidden;
}

.controls-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: var(--c-header);
  color: #fff;
  border: none;
  padding: 9px 14px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  gap: 8px;
}

.controls-toggle:hover {
  background: #2e2020;
}

.controls-toggle-label {
  flex: 1;
  text-align: left;
}

.controls-toggle-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  transition: transform 0.25s;
}

.controls-panel.is-collapsed .controls-toggle-icon {
  transform: rotate(-90deg);
}

.controls-collapse {
  display: grid;
  grid-template-rows: 1fr;
  transition:
    grid-template-rows 0.28s ease,
    opacity 0.22s ease;
  opacity: 1;
}

.controls-collapse-inner {
  min-height: 0;
  overflow: hidden;
}

.controls-panel.is-collapsed .controls-collapse {
  grid-template-rows: 0fr;
  opacity: 0;
}

.controls-body {
  padding: 11px 14px 10px;
  border-bottom: 1px solid var(--c-divider);
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.layer-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  user-select: none;
}

.layer-toggle input[type="checkbox"] {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  accent-color: var(--c-crimson);
  cursor: pointer;
}

/* Coloured swatch beside each toggle label */
.toggle-swatch {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.toggle-swatch--district {
  width: 12px;
  height: 12px;
  background: var(--c-crimson);
  box-shadow: 0 0 0 2px rgba(122, 26, 26, 0.3);
}

.toggle-swatch--okrazhen {
  background: var(--c-okrazhen);
  border: 1.5px solid rgba(139, 69, 19, 0.5);
}

.toggle-swatch--major {
  background: var(--c-red);
}

.toggle-swatch--detachment {
  background: var(--c-navy);
  border-radius: 2px;
  transform: rotate(45deg);
}

.toggle-swatch--apostolic {
  background: var(--c-apostolic);
}

/* ── Legend ──────────────────────────────────────────────── */
.controls-legend {
  padding: 10px 14px 14px;
}

.legend-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  margin-bottom: 8px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.81rem;
  color: var(--c-text);
  margin-bottom: 5px;
  line-height: 1.2;
}

.legend-icon {
  flex-shrink: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.legend-icon--district {
  width: 14px;
  height: 14px;
  background: var(--c-crimson);
  border: 2px solid #fff;
  box-shadow: 0 0 0 1.5px var(--c-crimson);
  border-radius: 50%;
}

.legend-icon--okrazhen {
  width: 12px;
  height: 12px;
  background: var(--c-okrazhen);
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px var(--c-okrazhen);
  border-radius: 50%;
}

.legend-icon--major {
  background: var(--c-red);
  width: 11px;
  height: 11px;
}

.legend-icon--detachment {
  background: var(--c-navy);
  border-radius: 2px;
  transform: rotate(45deg);
  width: 9px;
  height: 9px;
}

.legend-icon--apostolic {
  background: var(--c-apostolic);
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

/* ── Leaflet marker dots (via divIcon) ───────────────────── */
.marker-dot {
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.9);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}

.marker-dot:hover {
  transform: scale(1.25);
}

/* district-center: largest, pulsing only at zoom 7, with Roman numeral */
.marker-dot.district-center {
  background: var(--c-crimson);
  border: 3px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 0 0 0 rgba(122, 26, 26, 0);
  position: relative;
}

body.zoom-7 .marker-dot.district-center {
  animation: district-pulse 2.4s ease-out infinite;
}

.district-numeral {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-family: "Lato", sans-serif;
  font-size: 9px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

.marker-dot.okrazhen-center {
  background: var(--c-okrazhen);
  border: 2px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}

.marker-dot.settlement {
  background: var(--c-red);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
}

.marker-dot.apostolic-assembly {
  background: var(--c-apostolic);
  border: 2px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.4);
}

/* detachment: diamond shape via rotation */
.marker-dot.detachment-point {
  background: var(--c-navy);
  border-radius: 3px;
  transform: rotate(45deg);
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.4);
}

.marker-dot.detachment-point:hover {
  transform: rotate(45deg) scale(1.2);
}

@keyframes district-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(122, 26, 26, 0.55); }
  65%  { box-shadow: 0 0 0 10px rgba(122, 26, 26, 0); }
  100% { box-shadow: 0 0 0 0 rgba(122, 26, 26, 0); }
}

/* ── Leaflet overrides ───────────────────────────────────── */

/* Remove default Leaflet marker blue icon if any slip through */
.leaflet-div-icon {
  background: transparent;
  border: none;
}

/* ── Mobile — bottom sheet ───────────────────────────────── */
@media (max-width: 680px) {
  .sidebar {
    top: auto;
    left: 0;
    bottom: 0;
    width: 100%;
    max-height: 62%;
    height: auto;
    border-radius: var(--radius) var(--radius) 0 0;
    /* hidden below screen */
    transform: translateY(110%);
    transition: transform var(--transition);
  }

  .sidebar.is-open {
    transform: translateY(0);
  }

  /* Controls move to bottom-right on mobile */
  .controls-panel {
    top: var(--gap);
    right: var(--gap);
  }

  /* Don't shift Leaflet controls on mobile (sidebar is bottom sheet) */
  body.sidebar-open .leaflet-left {
    transform: translateX(0);
  }

  .sidebar-title {
    font-size: 1rem;
  }

  .sidebar-content {
    font-size: 0.9rem;
  }
}