/* =========================================================
   Base layout
   ========================================================= */
html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overscroll-behavior: none;
  overflow: hidden;
  font-family: Arial, Helvetica, sans-serif;
}

#map {
  width: 100vw;
  height: 100vh;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  position: fixed;
  inset: 0;
  z-index: 0;
}

/* =========================================================
   Buttons / controls
   ========================================================= */
.ol-control-inner, .btn-square {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.85);
  border: 1.5px solid #ccc;
  border-radius: 8px;
  font-size: 15px;
  color: #222;
  cursor: pointer;
  transition: background 0.2s, border 0.2s;
  user-select: none;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.ol-control-inner img, .btn-square img {
  width: 24px;
  height: 24px;
  display: block;
  pointer-events: none;
  user-select: none;
}

.ol-control-inner:active, .ol-control-inner:focus, .ol-control-inner:hover,
.btn-square:active, .btn-square:focus, .btn-square:hover {
  background: #f8f8f8;
  border-color: #999;
}

.btn-square[disabled] {
  opacity: .45;
  cursor: default;
}

/* Active-state styling for toggle buttons (compare / highlight / settings) */
.btn-square.active-btn {
  background: rgba(55, 97, 196, 0.15);
  border-color: #3761c4;
}
.btn-square.active-btn img {
  filter: brightness(0) saturate(100%) invert(27%) sepia(72%) saturate(3440%)
          hue-rotate(210deg) brightness(92%) contrast(91%);
}

/* =========================================================
   Control groups positioning
   ========================================================= */
.group-top-right {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1100;
  align-items: flex-end;
}

.group-top-left {
  position: absolute;
  top: 8px;
  left: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1100;
}

.group-bottom-right {
  position: absolute;
  right: 8px;
  bottom: calc(18px + env(safe-area-inset-bottom, 0));
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1100;
}

.zoom-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* (date-row removed – date navigation is now in the top-center bar) */

/* =========================================================
   Date popups
   ========================================================= */
#date-popup, #left-date-popup {
  display: none;
  opacity: 0;
  position: fixed;
  min-width: 180px;
  max-height: 70vh;
  overflow-y: auto;
  background: rgba(255,255,255,0.96);
  border: 1.5px solid #ccc;
  border-radius: 8px;
  box-shadow: 0 3px 15px #0002;
  z-index: 1400;
  font-family: Arial, Helvetica, sans-serif;
  transition: opacity .18s ease;
}

.date-popup-item {
  display: block;
  width: 100%;
  border: none;
  background: none;
  font-size: 15px;
  text-align: left;
  padding: 9px 16px;
  cursor: pointer;
  font-family: Arial, Helvetica, sans-serif;
}

.date-popup-item.selected {
  background: #f2f5fa;
  color: #3761c4;
  font-weight: bold;
}

.date-popup-item:active, .date-popup-item:hover {
  background: #f8f8f8;
}

/* =========================================================
   Date display + messages
   ========================================================= */
/* Date navigation row (arrows + label) */
#date-nav-row {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1500;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  /* Fixed width so arrows stay in place regardless of date text length.
     Desktop: 15 chars * ~13px ≈ 195px + 2 arrows (30px each) + gaps = ~300px */
  width: 300px;
}

#current-date-display {
  flex: 1;
  text-align: center;
  background: none;
  color: #fff;
  font-size: 22px;
  font-weight: bold;
  text-shadow: 0 3px 16px #222, 0 1px 0 #222;
  pointer-events: auto;
  cursor: pointer;
  opacity: 0.97;
  padding: 0 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#current-date-display:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* Single mode: show single-date-label, hide compare elements */
#single-date-label { display: inline; }
#left-date-label, #vs-label, #right-date-label { display: none; }

/* Compare mode: hide single, show compare elements */
#current-date-display.compare-mode #single-date-label { display: none; }
#current-date-display.compare-mode #left-date-label,
#current-date-display.compare-mode #vs-label,
#current-date-display.compare-mode #right-date-label { display: inline; }

#left-date-label, #right-date-label {
  cursor: pointer;
}

#left-date-label:hover, #right-date-label:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

#vs-label {
  opacity: 0.7;
  font-size: 0.85em;
  margin: 0 8px;
}

/* Compare mode needs wider container */
#date-nav-row.compare-mode {
  width: 380px;
}

.date-nav-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.85);
  color: #222;
  cursor: pointer;
  pointer-events: auto;
  box-shadow: 0 1px 6px #0003;
  transition: background 0.15s, box-shadow 0.15s, opacity 0.2s;
  padding: 0;
  flex-shrink: 0;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.date-nav-arrow.disabled {
  opacity: 0.25;
  cursor: default;
  pointer-events: none;
}

.date-nav-arrow:hover:not(.disabled) {
  background: #fff;
  box-shadow: 0 2px 10px #0004;
}

.date-nav-arrow:active:not(.disabled) {
  background: #e8e8e8;
}

#findme-message,
#toast-message {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2000;
  background: rgba(40,40,40,0.92);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  text-align: center;
  opacity: 0;
  padding: 12px 24px;
  border-radius: 20px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  transition: opacity 0.3s;
  pointer-events: none;
}

/* These start hidden; core.js will show when applicable */
#compare-btn, #highlight-btn, #settings-btn {
  display: none;
}

/* =========================================================
   Swipe compare UI
   ========================================================= */
#swipe-thumb {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 5px;
  background: #e24141cc;
  z-index: 1300;
  cursor: ew-resize;
  border-radius: 3px;
  box-shadow: 0 2px 12px #3336;
  pointer-events: auto;
  display: none;
}

#swipe-handle {
  position: absolute;
  width: 34px;
  height: 34px;
  background: #fff;
  border: 4px solid #e24141cc;
  border-radius: 50%;
  box-shadow: 0 2px 12px #2225;
  z-index: 1400;
  cursor: grab;
  touch-action: none;
  display: none;
  transition: background 0.1s, border 0.1s;
}

#swipe-handle:active {
  background: #ffeaea;
  border-color: #e24141;
}

/* =========================================================
   Sensitivity panel
   ========================================================= */
#sensitivity-row {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(18px + env(safe-area-inset-bottom, 0));
  display: none;
  background: rgba(255,255,255,0.96);
  padding: 10px 14px;
  border: 1.5px solid #ccc;
  border-radius: 10px;
  z-index: 1600;
  box-shadow: 0 4px 16px #0002;
  touch-action: manipulation;
}

#sensitivity-row label {
  font-size: 13px;
  color: #555;
  display: block;
  margin-bottom: 6px;
  text-align: center;
}

#sensitivity-slider {
  width: 200px;
}

/* =========================================================
   Location Dock
   ========================================================= */
#location-dock {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(16px + env(safe-area-inset-bottom, 0));
  display: flex;
  gap: 14px;
  background: rgba(255,255,255,0.9);
  padding: 8px 14px;
  border-radius: 12px;
  box-shadow: 0 2px 8px #0003;
  z-index: 1200;
  touch-action: manipulation;
}

#location-dock button {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
}

#location-dock img {
  width: 36px;
  height: 36px;
  display: block;
}

/* =========================================================
   Info icon + overlay
   ========================================================= */
#info-icon {
  position: fixed;
  left: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom, 0));
  width: 32px;
  height: 32px;
  z-index: 1500;
  cursor: pointer;
  user-select: none;
  -webkit-user-drag: none;
}

#info-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  color: #fff;
  display: none;
  z-index: 2000;
  padding: 20px;
  overflow-y: auto;
}

#info-overlay .panel {
  max-width: 720px;
  margin: 40px auto;
  background: #23287b;
  padding: 18px 18px 12px;
  border-radius: 12px;
  box-shadow: 0 6px 24px #0009;
}

#info-overlay .panel header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

#info-overlay h2 {
  margin: 0;
  font-size: 22px;
}

#info-close {
  appearance: none;
  border: none;
  background: #fff;
  color: #23287b;
  font-weight: 700;
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
}

#info-overlay .panel section { line-height: 1.45; }
#info-overlay .panel ul { margin: 8px 0 0 18px; }
#info-overlay a { color: #fff; text-decoration: underline; }
#info-overlay a:hover { color: #ffd700; }

/* =========================================================
   Recent changes + Report a change (board + modal)
   Hidden by default (CRITICAL)
   ========================================================= */
#changes-overlay, #report-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: none; /* IMPORTANT */
  z-index: 2200;
}

#changes-board {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: min(360px, 92vw);
  max-width:  92vw;
  background: rgba(255,255,255,0.98);
  border-left: 1.5px solid #ccc;
  box-shadow: -6px 0 24px #0002;
  z-index: 2300;
  display: none; /* IMPORTANT */
  overflow: hidden;
  font-family: Arial, Helvetica, sans-serif;
}

#changes-board header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 12px;
  border-bottom: 1px solid #e5e5e5;
  background: #fff;
}

#changes-board header h3 {
  margin: 0;
  font-size: 16px;
  color: #222;
}

#changes-close {
  appearance: none;
  border: 1px solid #ccc;
  background: #fff;
  color: #222;
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
}

#changes-board .meta {
  padding: 10px 12px;
  font-size: 13px;
  color: #555;
  border-bottom: 1px solid #f0f0f0;
  background: #fff;
}

#changes-list {
  height: calc(100vh - 112px);
  overflow-y: auto;
  padding: 8px 8px 12px;
}

.change-item {
  width: 100%;
  text-align: left;
  border: 1px solid #e6e6e6;
  background: #fff;
  border-radius: 10px;
  padding: 10px 10px;
  cursor: pointer;
  margin: 8px 0;
  box-shadow: 0 1px 8px #0001;
}

.change-item:hover { background: #fafafa; }

/* Highlight changes for the currently selected map version */
.change-item.change-item-active {
  border-color: #3761c4;
  box-shadow: 0 2px 12px rgba(55, 97, 196, 0.18);
}
.change-item.change-item-active .change-title {
  color: #3761c4;
}

.change-title {
  font-size: 14px;
  color: #111;
  margin: 0 0 4px 0;
}

.change-sub {
  font-size: 12px;
  color: #666;
  margin: 0;
  line-height: 1.35;
}

#report-modal {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: fit-content;
  max-width: 92vw;
  max-height: 86vh;
  overflow: auto;
  background: #fff;
  border: 1.5px solid #ccc;
  border-radius: 12px;
  box-shadow: 0 8px 28px #0003;
  z-index: 2301;
  display: none; /* IMPORTANT */
  font-family: Arial, Helvetica, sans-serif;
}

#report-modal header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 12px;
  border-bottom: 1px solid #eee;
}

#report-modal header h3 {
  margin: 0;
  font-size: 16px;
  color: #222;
}

#report-close {
  appearance: none;
  border: 1px solid #ccc;
  background: #fff;
  color: #222;
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
}

#report-modal .body { padding: 12px; }

.form-row { margin-bottom: 10px; }
.form-row label {
  display: block;
  font-size: 13px;
  color: #444;
  margin-bottom: 6px;
}

.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #ccc;
  border-radius: 10px;
  padding: 10px 10px;
  font-size: 14px;
  font-family: Arial, Helvetica, sans-serif;
  outline: none;
}

.form-row textarea { min-height: 110px; resize: vertical; }

.hint {
  font-size: 12px;
  color: #666;
  margin-top: 6px;
  line-height: 1.35;
}

#report-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding: 12px;
  border-top: 1px solid #eee;
  background: #fff;
}

.btn-primary {
  appearance: none;
  border: 1px solid #3761c4;
  background: #3761c4;
  color: #fff;
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  font-size: 14px;
}

.btn-secondary {
  appearance: none;
  border: 1px solid #ccc;
  background: #fff;
  color: #222;
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  font-size: 14px;
}

#report-status {
  padding: 0 12px 12px;
  font-size: 13px;
  color: #444;
  display: none;
}

/* =========================================================
   Mobile tweaks
   ========================================================= */
@media (max-width: 600px) {
  .group-top-right { right: 8px; top: 8px; gap: 6px; }
  .group-bottom-right { right: 8px; bottom: calc(8px + env(safe-area-inset-bottom, 0)); gap: 6px; }
  .group-top-left { left: 8px; top: 8px; gap: 6px; }

  .ol-control-inner, .btn-square {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    font-size: 13px;
  }

  .ol-control-inner img, .btn-square img {
    width: 18px;
    height: 18px;
  }

  #date-nav-row {
    top: 10px;
    /* Mobile: 8 chars * ~10px ≈ 80px + 2 arrows (26px each) + gaps = ~180px */
    width: 180px;
    gap: 6px;
  }

  /* Compare mode on mobile: wider with doubled arrow spacing */
  #date-nav-row.compare-mode {
    width: 280px;
    gap: 12px;
  }

  #current-date-display {
    font-size: 16px;
    padding: 0 2px;
    /* Truncate to ~8 chars on mobile */
    max-width: 80px;
  }

  #current-date-display.compare-mode {
    max-width: none;
  }

  #current-date-display.compare-mode #vs-label {
    margin: 0 4px;
    font-size: 0.8em;
  }

  .date-nav-arrow {
    width: 26px;
    height: 26px;
  }

  .date-nav-arrow svg {
    width: 14px;
    height: 14px;
  }

  #sensitivity-slider { width: 160px; }
  #location-dock img { width: 28px; height: 28px; }
  #info-icon { width: 28px; height: 28px; }
}


/* =========================================================
   Recent changes: report callout
   ========================================================= */
.changes-cta {
  padding: 10px 12px;
  border-bottom: 1px solid #f0f0f0;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.changes-cta-text {
  font-size: 13px;
  color: #444;
  line-height: 1.25;
}

.changes-cta-btn {
  appearance: none;
  border: 1px solid #cfcfcf;
  background: #fff;
  color: #222;
  border-radius: 10px;
  padding: 8px 10px;
  cursor: pointer;
  font-size: 13px;
  white-space: nowrap;
}

.changes-cta-btn:hover {
  background: #f6f6f6;
}

/* =========================================================
   Park picker (globe)
   ========================================================= */
#parks-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 2350;
  display: none;
}

#parks-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: fit-content;
  max-width: 92vw;
  max-height: min(520px, 80vh);
  background: rgba(255,255,255,0.98);
  border: 1px solid #d6d6d6;
  border-radius: 14px;
  box-shadow: 0 18px 60px rgba(0,0,0,0.25);
  z-index: 2400;
  display: none;
  overflow: hidden;
  font-family: Arial, Helvetica, sans-serif;
}

#parks-modal header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 12px;
  border-bottom: 1px solid #e5e5e5;
  background: #fff;
}

#parks-modal header h3 {
  margin: 0; text-align: center; width: 100%;
  font-size: 16px;
  color: #222;
}

#parks-close {
  appearance: none;
  border: 1px solid #ccc;
  background: #fff;
  color: #222;
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
}

#parks-modal .body {
  padding: 12px;
  overflow-y: auto;
  max-height: calc(80vh - 52px);
}

.parks-list {
  display: grid;
  gap: 10px;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto;
}

.park-pick-btn {
  width: fit-content; justify-self: center;
  text-align: center;
  appearance: none;
  border: 1px solid #d6d6d6;
  background: #fff;
  color: #222;
  border-radius: 12px;
  padding: 12px 12px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.2;
  white-space: nowrap;
}

.park-pick-btn.is-current {
  border-color: #23287b;
  background: rgba(35, 40, 123, 0.08);
}

.park-pick-btn.is-current:hover {
  background: rgba(35, 40, 123, 0.12);
}


.park-pick-btn:hover {
  background: #f7f7f7;
}


/* Make Recent changes layout resilient when adding callouts */
#changes-board { flex-direction: column; }
#changes-list { flex: 1; height: auto; }


/* Disabled park option (e.g., Tokyo Disneyland) */
.park-pick-btn.is-disabled {
  opacity: 0.45;
  filter: grayscale(1);
  cursor: not-allowed;
  pointer-events: none; /* blocks taps/clicks */
}


/* =========================================================
   Service Mode (developer/debug overlay)
   ========================================================= */
#service-mode-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 3000;
  font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
}

/* Crosshair for precise centering */
#service-mode-crosshair {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

#crosshair-h {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255, 0, 0, 0.7);
  box-shadow: 0 0 2px #000;
}

#crosshair-v {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(255, 0, 0, 0.7);
  box-shadow: 0 0 2px #000;
}

#crosshair-center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  margin-left: -6px;
  margin-top: -6px;
  border: 2px solid rgba(255, 0, 0, 0.9);
  border-radius: 50%;
  box-shadow: 0 0 3px #000;
}

#service-mode-label {
  position: absolute;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(180, 0, 0, 0.9);
  color: #fff;
  font-size: 14px;
  font-weight: bold;
  padding: 6px 16px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

#service-mode-info {
  position: absolute;
  bottom: 70px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(180, 0, 0, 0.9);
  color: #fff;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: 8px;
  line-height: 1.4;
  box-shadow: 0 2px 10px rgba(0,0,0,0.4);
  text-align: center;
  white-space: pre-line;
}

#service-mode-center {
  font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
  font-size: 14px;
  font-weight: bold;
}

#service-mode-hint {
  margin-top: 8px;
  font-size: 11px;
  opacity: 0.85;
}

#service-mode-close {
  position: absolute;
  top: 60px;
  right: 12px;
  pointer-events: auto;
  appearance: none;
  background: rgba(180, 0, 0, 0.9);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

#service-mode-close:hover {
  background: rgba(200, 0, 0, 1);
}

/* Service Mode Server Info */
#service-mode-server {
  position: absolute;
  top: 80px;
  left: 12px;
  pointer-events: auto;
  background: rgba(0, 60, 120, 0.92);
  color: #fff;
  font-size: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

#service-mode-server-info {
  margin-bottom: 8px;
  font-family: monospace;
}

#service-mode-current-server {
  font-weight: bold;
  color: #8cf;
}

#service-mode-custom {
  display: flex;
  gap: 6px;
}

#service-mode-custom-input {
  width: 120px;
  padding: 4px 8px;
  border: 1px solid #68a;
  border-radius: 4px;
  font-family: monospace;
  font-size: 12px;
  background: rgba(255,255,255,0.9);
}

#service-mode-load-custom {
  padding: 4px 10px;
  background: #fff;
  color: #036;
  border: none;
  border-radius: 4px;
  font-size: 11px;
  font-weight: bold;
  cursor: pointer;
}

#service-mode-load-custom:hover {
  background: #cdf;
}