:root {
  --bg-panel: rgba(18, 24, 38, 0.92);
  --border-color: rgba(255, 255, 255, 0.12);
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-hover: #0ea5e9;
  --radius: 12px;
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body, html {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-family);
  background-color: #0f172a;
  color: var(--text-main);
}

#map {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.loading-overlay {
  position: absolute;
  top: 16px;
  right: 60px;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.9);
  color: var(--accent);
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid rgba(56, 189, 248, 0.4);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  transition: opacity 0.5s ease;
}

/* Sidebar */
#sidebar {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 360px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  background: var(--bg-panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card-header .badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px solid rgba(56, 189, 248, 0.3);
  margin-bottom: 8px;
}

.quick-jump-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.quick-jump-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-sm {
  padding: 4px 8px;
  font-size: 0.75rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
}

.btn-sm:hover {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--accent);
}

.card-header .subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.highlight-val {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  font-feature-settings: "tnum";
}

select.btn {
  background: rgba(15, 23, 42, 0.85);
  color: #f1f5f9;
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 8px;
  font-size: 0.85rem;
  cursor: pointer;
}

select.btn option {
  background: #0f172a;
  color: #f1f5f9;
  padding: 6px;
}

/* Režimy */
.mode-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.btn {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.14);
}

.btn.active {
  background: var(--accent);
  color: #04101e;
  font-weight: 600;
  border-color: var(--accent);
}

.btn-primary {
  background: #2563eb;
  border-color: #3b82f6;
  color: #fff;
}

.btn-primary:hover {
  background: #1d4ed8;
}

/* Slider */
input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
  margin-top: 4px;
}

.timeline-ticks {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.player-actions {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 8px;
}

.speed-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.speed-row select {
  background: rgba(15, 23, 42, 0.8);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 0.8rem;
}

/* Checkboxy */
.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  cursor: pointer;
  user-select: none;
}

.checkbox-row input {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* Legenda */
.legend-box h3, .stats-box h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.legend-scale {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.8rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.legend-color {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Statistiky */
.stats-box {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(0, 0, 0, 0.25);
  padding: 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.stat-row strong {
  color: #fff;
}

.text-success { color: #34d399 !important; }
.text-muted { color: #94a3b8 !important; }

.panel-footer {
  font-size: 0.72rem;
  color: #64748b;
  line-height: 1.3;
}

/* Tooltip */
.floating-tooltip {
  position: absolute;
  z-index: 100;
  pointer-events: none;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #f8fafc;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.82rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
  transform: translate(-50%, -120%);
  max-width: 260px;
  line-height: 1.4;
}

.floating-tooltip h4 {
  font-size: 0.92rem;
  color: var(--accent);
  margin-bottom: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}