:root {
  --bg: #0f172a;
  --panel: #111827;
  --panel-2: #1f2937;
  --border: #2d3748;
  --text: #e5e7eb;
  --text-dim: #9ca3af;
  --accent: #22d3ee;
  --accent-2: #2563eb;
  --danger: #ef4444;
  --radius: 10px;
}

* { box-sizing: border-box; }

/* [hidden] must always win, even over an equally-specific class rule that
   also sets `display` (e.g. .geo-status/.view are display:flex/block) --
   otherwise toggling the `hidden` attribute in JS silently does nothing. */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  touch-action: manipulation; /* kills the 300ms tap delay without blocking pinch-zoom */
  overflow: hidden; /* the app is a fixed-height single screen, not a scrolling page */
}

.geo-status {
  position: absolute;
  top: 66px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000; /* above any map canvas/controls in either view */
  pointer-events: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  font-size: 0.85rem;
  max-width: min(90vw, 480px);
}
.geo-status-btn {
  min-height: 32px;
  padding: 6px 12px;
  font-size: 0.8rem;
  flex: none;
  white-space: nowrap;
}

.app-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
  padding-top: calc(10px + env(safe-area-inset-top, 0px));
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  height: 56px;
  flex-wrap: wrap;
  row-gap: 8px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  margin-right: auto;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}
.brand:hover { opacity: 0.85; }
.brand-mark { font-size: 1.3rem; }
.app-version {
  color: var(--text-dim);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.mode-toggle {
  display: flex;
  background: var(--panel-2);
  border-radius: 999px;
  padding: 4px;
  gap: 4px;
}
.mode-btn {
  border: none;
  background: transparent;
  color: var(--text-dim);
  padding: 10px 16px;
  min-height: 40px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.9rem;
}
.mode-btn.active {
  background: var(--accent-2);
  color: white;
}

.icon-btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 0.9rem;
}
.icon-btn:hover { border-color: var(--accent); }

.app-main {
  height: calc(100% - 56px);
  position: relative;
}

.view {
  display: none;
  height: 100%;
}
.view.active { display: block; }

.full-map {
  width: 100%;
  height: 100%;
}

.globe-hint {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(17, 24, 39, 0.85);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--text-dim);
  pointer-events: none;
}

.floating-btn {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
}

.primary-btn {
  background: var(--accent-2);
  color: white;
  border: none;
  padding: 10px 18px;
  min-height: 44px;
  border-radius: 8px;
  font-size: 0.95rem;
  cursor: pointer;
}
.primary-btn:hover { background: #1d4ed8; }

.secondary-btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 14px;
  min-height: 44px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
}
.secondary-btn:hover:not(:disabled) { border-color: var(--accent); }
.secondary-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: 6px 0;
  font-size: 0.85rem;
  text-decoration: underline;
}

.planner-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  height: 100%;
}

.map-wrap {
  position: relative;
  width: 100%;
  height: 100%;
}

.planner-map {
  width: 100%;
  height: 100%;
}

.terrain-toggle {
  position: static;
  z-index: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  background: rgba(17, 24, 39, 0.9);
  color: var(--text);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
  cursor: pointer;
  font-size: 1.15rem;
}
.terrain-toggle-icon {
  line-height: 1;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.terrain-toggle:hover,
.terrain-toggle[aria-pressed="true"] {
  border-color: var(--accent);
}
.terrain-toggle-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #f59e0b;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.55);
}
.terrain-toggle[aria-pressed="true"] .terrain-toggle-dot {
  background: #22c55e;
}

.map-search {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 900;
  width: min(90vw, 420px);
  display: flex;
  gap: 6px;
}
.search-field {
  position: relative;
  width: 100%;
}
.search-field input {
  margin-bottom: 0;
  padding-right: 52px;
  background: var(--panel-2);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}
.search-field .secondary-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 36px;
  min-height: 36px;
  height: 36px;
  padding: 0;
  border: none;
  background: transparent;
  box-shadow: none;
}
.search-field .secondary-btn:hover:not(:disabled) {
  color: var(--accent);
  border: none;
}

.place-search-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  list-style: none;
  margin: 0;
  padding: 4px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.5);
  max-height: 260px;
  overflow-y: auto;
}
.place-search-results li {
  padding: 8px 10px;
  font-size: 0.85rem;
  border-radius: 6px;
  cursor: pointer;
  line-height: 1.3;
}
.place-search-results li:hover,
.place-search-results li:focus {
  background: var(--panel);
}

.map-controls {
  position: absolute;
  right: 12px;
  bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  z-index: 500;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.map-fab {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}
.map-fab:hover { border-color: var(--accent); }
.map-fab.active {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: white;
}

.pan-controls {
  position: absolute;
  left: 12px;
  bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  z-index: 500;
  display: grid;
  grid-template-columns: 40px 40px 40px;
  grid-template-rows: 40px 40px 40px;
  gap: 2px;
}
.pan-up { grid-area: 1 / 2; }
.pan-left { grid-area: 2 / 1; }
.pan-right { grid-area: 2 / 3; }
.pan-down { grid-area: 3 / 2; }
.pan-controls .map-fab {
  width: 100%;
  height: 100%;
  font-size: 1rem;
}

.color-picker {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.color-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
}

.color-swatches {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 10px;
}
.color-swatches button {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
  cursor: pointer;
  padding: 0;
}

.sidebar {
  background: var(--panel);
  border-left: 1px solid var(--border);
  padding: 16px;
  overflow-y: auto;
}

.sidebar-block {
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
  margin-bottom: 16px;
}
.sidebar-block:last-child { border-bottom: none; }

.sidebar-block h2 {
  font-size: 1rem;
  margin: 0 0 10px;
}
.sidebar-block h3 {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin: 14px 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.field-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 4px;
}

select, input[type="text"] {
  width: 100%;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  min-height: 44px;
  font-size: 1rem; /* 16px+ stops iOS Safari auto-zooming into the field on focus */
  margin-bottom: 8px;
}

.hint {
  font-size: 0.8rem;
  color: var(--accent);
  min-height: 1.2em;
}

.tiny-hint {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.4;
}

.button-row {
  display: flex;
  gap: 8px;
  margin: 8px 0;
}
.button-row.wrap { flex-wrap: wrap; }

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.9rem;
}
.stat-value { font-weight: 600; color: var(--accent); }

.breakdown-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.85rem;
}
.breakdown-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}
.swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex: none;
}
.breakdown-label { flex: 1; }
.breakdown-value { color: var(--text-dim); }

.share-row {
  display: flex;
  gap: 8px;
}
.share-row input { margin-bottom: 0; }

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal-backdrop[hidden] { display: none; }

.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  width: 420px;
  max-width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
}
.modal h2 { margin-top: 0; }
.modal a { color: var(--accent); }

.route-popup {
  font-size: 0.85rem;
}

.color-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  max-height: 180px;
  overflow-y: auto;
}
.color-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.85rem;
}
.color-list input[type="color"] {
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: none;
  cursor: pointer;
  flex: none;
}

@media (max-width: 820px) {
  .app-header {
    height: auto;
    padding: 8px 12px;
  }
  .brand { font-size: 1rem; }
  .mode-toggle { order: 3; width: 100%; justify-content: center; }
  .icon-btn { padding: 8px 10px; min-height: 40px; }

  .app-main { height: calc(100% - 92px); }

  .planner-layout {
    grid-template-columns: 1fr;
    grid-template-rows: 80% 20%;
  }
  .sidebar {
    border-left: none;
    border-top: 1px solid var(--border);
    padding: 12px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  }
  .sidebar-block h2 { font-size: 0.95rem; }
  .button-row { flex-wrap: wrap; }
  .button-row .secondary-btn,
  .button-row .primary-btn { flex: 1 1 auto; min-width: 44%; }

  .map-search {
    top: 12px;
    left: 12px;
    right: 64px;
    transform: none;
    width: auto;
  }

  .floating-btn {
    bottom: calc(20px + env(safe-area-inset-bottom, 0px));
    top: auto;
  }
  .globe-hint {
    bottom: calc(84px + env(safe-area-inset-bottom, 0px));
    max-width: 90vw;
    text-align: center;
  }
}

@media (max-width: 420px) {
  .planner-layout { grid-template-rows: 76% 24%; }
  .button-row .secondary-btn,
  .button-row .primary-btn { min-width: 100%; }
}