:root {
  --bg: #1a1a2e;
  --bg-elevated: #232340;
  --border: #2e2e4a;
  --text: #f5f5fa;
  --text-muted: #9a9ab0;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #ef4444;
  --success: #22c55e;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    sans-serif;
  color: var(--text);
  background: #000;
  overflow: hidden;
}

#app {
  display: flex;
  height: 100vh;
  min-width: 1200px;
}

#sidebar {
  width: 360px;
  flex: 0 0 360px;
  background: var(--bg);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

#map {
  flex: 1 1 auto;
  height: 100vh;
}

.sidebar-header {
  padding: 20px 20px 12px;
  border-bottom: 1px solid var(--border);
}

.sidebar-header h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.tagline {
  margin: 4px 0 0;
  color: var(--text-muted);
  font-size: 13px;
}

.panel {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hint {
  margin: 8px 0 0;
  color: var(--text-muted);
  font-size: 12px;
}

/* Profile buttons */
.profile-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.profile-buttons button {
  padding: 10px 8px;
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s ease;
}

.profile-buttons button:hover {
  border-color: var(--accent);
}

.profile-buttons button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.profile-description {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--text-muted);
  min-height: 16px;
}

/* Slider */
.slider-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
}

.slider-header h2 {
  margin: 0;
}

.slider-value {
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

#curviness-slider {
  width: 100%;
  accent-color: var(--accent);
}

.slider-state {
  margin: 6px 0 0;
  font-size: 11px;
  color: var(--text-muted);
}

.slider-state.override {
  color: var(--accent);
}

/* Waypoint list */
.waypoint-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.waypoint-list:empty::after {
  content: "No waypoints yet.";
  color: var(--text-muted);
  font-size: 12px;
  font-style: italic;
}

.waypoint-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  cursor: grab;
}

.waypoint-item:active {
  cursor: grabbing;
}

.waypoint-item.dragging {
  opacity: 0.4;
}

.waypoint-item.drag-over {
  border-color: var(--accent);
}

.waypoint-badge {
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.waypoint-coords {
  flex: 1 1 auto;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.waypoint-delete {
  flex: 0 0 auto;
  background: transparent;
  color: var(--text-muted);
  border: 0;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
}

.waypoint-delete:hover {
  color: var(--danger);
}

/* Summary */
.summary-panel {
  flex: 0 0 auto;
}

.summary-stats {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 14px;
  margin: 0;
  font-size: 13px;
}

.summary-stats dt {
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  align-self: center;
}

.summary-stats dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.summary-profile {
  margin: 10px 0 0;
  font-size: 11px;
  color: var(--text-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  word-break: break-word;
}

.loading-indicator {
  margin-bottom: 10px;
  padding: 6px 10px;
  background: var(--bg-elevated);
  border-left: 2px solid var(--accent);
  font-size: 12px;
  color: var(--text-muted);
}

.error-message {
  margin-bottom: 10px;
  padding: 8px 10px;
  background: rgba(239, 68, 68, 0.12);
  border-left: 2px solid var(--danger);
  color: #fca5a5;
  font-size: 12px;
  white-space: pre-wrap;
}

.hidden {
  display: none !important;
}

/* Actions */
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.actions button {
  flex: 1 1 calc(50% - 3px);
  padding: 10px;
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
}

.actions button:hover:not(:disabled) {
  border-color: var(--accent);
}

.actions button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.actions button.primary {
  flex: 1 1 100%;
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.actions button.primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* Map markers — numbered circles */
.moto-marker {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  cursor: grab;
  user-select: none;
}

.moto-marker:active {
  cursor: grabbing;
}