/* ── App container ──────────────────────────────────────────────────────── */
#parking-app {
  max-width: 640px;
  margin: 1.5rem 0;
}

#loading {
  color: var(--text-pale-color);
  font-style: italic;
  margin: 1.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  border: 2px solid var(--primary-pale-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Controls ──────────────────────────────────────────────────────────── */
.control-group {
  margin: 1.1rem 0;
}

.ctrl-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-pale-color);
  margin-bottom: 0.4rem;
}

.btn-group {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.btn-group button {
  padding: 0.3rem 0.75rem;
  border: 1.5px solid var(--text-decoration-color);
  border-radius: 4px;
  background: transparent;
  color: var(--text-color);
  cursor: pointer;
  font-size: 0.85rem;
  font-family: inherit;
  transition: border-color 0.12s, color 0.12s, background 0.12s;
}

.btn-group button:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn-group button.active {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #fff;
}

#start-hour {
  display: block;
  width: 100%;
  margin-top: 0.4rem;
  accent-color: var(--primary-color);
  cursor: pointer;
}

/* ── Chart ─────────────────────────────────────────────────────────────── */
#chart-container {
  margin: 1.8rem 0 0.3rem;
}

#chart {
  display: flex;
  align-items: flex-end;
  height: 140px;
  gap: 2px;
  border-bottom: 1.5px solid var(--text-decoration-color);
}

.bar-col {
  flex: 1;
  height: 100%;
  display: flex;
  align-items: flex-end;
  position: relative;
}

.bar-fill {
  width: 100%;
  background: var(--text-decoration-color);
  min-height: 2px;
  border-radius: 1px 1px 0 0;
  transition: height 0.25s ease, background 0.15s;
}

.bar-fill.bar-selected {
  background: var(--primary-color);
  opacity: 0.9;
}

#chart-x-axis {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  font-size: 0.68rem;
  color: var(--text-pale-color);
  padding: 0 0;
}

/* ── Result box ──────────────────────────────────────────────────────────── */
#result {
  margin: 1.5rem 0 1rem;
  padding: 1rem 1.2rem;
  border: 1.5px solid var(--text-decoration-color);
  border-radius: 4px;
}

#result.risk-low    { border-color: var(--callout-tip-color); }
#result.risk-medium { border-color: var(--callout-warning-color); }
#result.risk-high   { border-color: var(--callout-caution-color); }

.risk-level {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
  letter-spacing: 0.01em;
}

.risk-level.low    { color: var(--callout-tip-color); }
.risk-level.medium { color: var(--callout-warning-color); }
.risk-level.high   { color: var(--callout-caution-color); }

.risk-stats {
  font-size: 0.85rem;
  color: var(--text-pale-color);
  line-height: 1.7;
}

.risk-stats strong {
  color: var(--text-color);
}

.risk-bar-wrap {
  margin: 0.6rem 0 0.2rem;
  background: var(--primary-decoration-color);
  border-radius: 3px;
  height: 6px;
  overflow: hidden;
}

.risk-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s ease;
}

/* ── Timeline ────────────────────────────────────────────────────────────── */
#timeline-container {
  margin: 1.5rem 0;
}

.timeline-heading {
  font-size: 0.8rem;
  color: var(--text-pale-color);
  margin: 0 0 0.4rem;
}

#timeline-svg {
  display: block;
  width: 100%;
  height: auto;
  transition: opacity 0.15s;
  overflow: visible;
}

/* ── Map ─────────────────────────────────────────────────────────────────── */
#map-section {
  margin: 1.5rem 0;
}

#map {
  height: 480px;
  width: 100%;
  border-radius: 4px;
  transition: opacity 0.2s;
  /* Leaflet sets z-index internally; keep it below fixed site elements */
  z-index: 0;
}

/* Prevent Leaflet's tile attribution from inheriting site link styles */
.leaflet-container a {
  border-bottom: none !important;
}


/* ── Map time slider ─────────────────────────────────────────────────────── */
#hm-time-wrap {
  margin: 0.9rem 0 0.5rem;
}

#hm-month-slider {
  display: block;
  width: 100%;
  margin-top: 0.4rem;
  accent-color: var(--primary-color);
  cursor: pointer;
}

/* ── Data note ───────────────────────────────────────────────────────────── */
.data-note {
  font-size: 0.75rem;
  color: var(--text-pale-color);
  margin-top: 1rem;
  line-height: 1.6;
}