:root {
  color-scheme: dark;
  --bg-color: #0c0c0e;
  --bg-elevated: #121216;
  --card-bg: #16161a;
  --card-soft: #1b1b20;
  --accent-color: #00ff66;
  --text-color: #ffffff;
  --text-muted: #8e8e93;
  --danger-color: #ff453a;
  --warning-color: #ff9f0a;
  --surface-border: #2c2c2e;
  --canvas-bg: #111111;
  --control-bg: #1a1a1f;
  --control-text: #ffffff;
  --shadow-color: rgba(0, 0, 0, 0.45);
}
:root[data-theme="light"] {
  color-scheme: light;
  --bg-color: #f4f6f8;
  --bg-elevated: #ffffff;
  --card-bg: #ffffff;
  --card-soft: #eef1f5;
  --text-color: #111318;
  --text-muted: #5e6675;
  --surface-border: #d9dee7;
  --canvas-bg: #edf1f6;
  --control-bg: #ffffff;
  --control-text: #111318;
  --shadow-color: rgba(17, 19, 24, 0.12);
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  height: auto;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.dashboard {
  padding: 20px 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.app-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.title-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.app-title h1 {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.6rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.app-title .subtitle {
  color: var(--text-muted);
  font-size: 0.82rem;
}
.toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}
.pill-button,
.accent-control {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  padding: 10px 14px;
  border: 1px solid var(--surface-border);
  background: var(--control-bg);
  color: var(--control-text);
  box-shadow: 0 6px 18px var(--shadow-color);
  font-size: 0.92rem;
  font-weight: 700;
}
.pill-button {
  cursor: pointer;
}
.pill-button:active {
  transform: translateY(1px);
}
.accent-control {
  cursor: pointer;
  padding-right: 10px;
}
.accent-control span {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.accent-control input[type="color"] {
  width: 34px;
  height: 34px;
  border: none;
  padding: 0;
  background: transparent;
  cursor: pointer;
}
#status-banner {
  min-height: 1.2rem;
  color: var(--warning-color);
  font-size: 0.9rem;
  line-height: 1.4;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.stat-box {
  background: var(--card-bg);
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--surface-border);
  box-shadow: 0 10px 24px var(--shadow-color);
}
.stat-val {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-color);
  font-variant-numeric: tabular-nums;
}
.stat-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}
#canvas-container {
  position: relative;
  background-color: var(--canvas-bg);
  margin: 0 20px;
  border-radius: 12px;
  border: 1px solid var(--surface-border);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
  overflow: hidden;
  min-height: 340px;
  height: clamp(340px, 58vh, 760px);
}
.viewer-badge {
  position: absolute;
  z-index: 2;
  top: 12px;
  left: 12px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(17, 19, 24, 0.82);
  border: 1px solid var(--surface-border);
  color: var(--text-color);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}
:root[data-theme="light"] .viewer-badge {
  background: rgba(255, 255, 255, 0.86);
}
canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.controls {
  padding: 16px 20px 20px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
button {
  flex: 1 1 0;
  padding: 16px;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 4px 12px var(--shadow-color);
}
.btn-start {
  background-color: var(--accent-color);
  color: #000;
}
.btn-stop {
  background-color: #ff3b30;
  color: white;
}
.btn-export {
  background-color: #007aff;
  color: white;
}
.btn-export-gpx {
  background-color: #5ac8fa;
  color: #041018;
}
.btn-export-svg {
  background-color: #8e8e93;
  color: white;
}
.btn-export-png {
  background-color: #af52de;
  color: white;
}
.gps-error {
  color: var(--danger-color);
}
.compact-layout #canvas-container {
  margin: 0 16px;
  min-height: 300px;
  height: clamp(300px, 46vh, 440px);
}
.compact-layout .toolbar {
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
}
.compact-layout .pill-button,
.compact-layout .accent-control {
  width: 100%;
  box-sizing: border-box;
  justify-content: space-between;
}
.compact-layout .controls {
  padding: 12px 16px 16px;
  flex-direction: column;
}
@media (max-width: 768px) {
  .dashboard {
    padding: 16px 16px 12px;
  }
  .stats-grid {
    gap: 12px;
  }
  .stat-box {
    padding: 14px;
  }
  .stat-val {
    font-size: 1.45rem;
  }
}