:root {
  --bg: #07080c;
  --panel: rgba(8, 9, 13, 0.68);
  --stroke: rgba(255, 255, 255, 0.16);
  --text: #f2efe3;
  --muted: rgba(236, 234, 222, 0.8);
  --accent: #e8c98a;
  --amber: #a6773f;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
}
body {
  font-family: var(--font-mono);
  -webkit-font-smoothing: antialiased;
}
#app {
  position: fixed;
  inset: 0;
}
#app canvas {
  display: block;
}

.panel {
  position: fixed;
  top: 22px;
  right: 22px;
  z-index: 10;
  width: 246px;
  max-height: calc(100vh - 44px);
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  background: var(--panel);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: var(--text);
  padding: 28px 24px;
  transition:
    transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.2s ease;
}
body.panel-hidden .panel {
  transform: translateX(120%);
  opacity: 0;
  pointer-events: none;
}
.panel::-webkit-scrollbar {
  width: 0;
}

.p-head {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 6px;
}
#statLine {
  display: block;
  margin-top: 26px;
  font-size: 10px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.icon-btn {
  flex: none;
  cursor: pointer;
  margin-top: 1px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
  border: 0;
  padding: 2px;
  transition: color 0.15s ease;
}
.icon-btn:hover {
  color: var(--text);
}

.rule {
  border: 0;
  border-top: 1px solid var(--stroke);
  margin: 14px 0;
}

.transport {
  display: flex;
  gap: 20px;
}
.tbtn {
  appearance: none;
  border: 0;
  cursor: pointer;
  color: var(--muted);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: left;
  padding: 9px 0;
  transition: color 0.15s ease;
}
.tbtn:hover {
  color: var(--text);
}
.tbtn.hero {
  color: var(--amber);
  font-weight: 500;
}
.tbtn.hero.playing {
  color: var(--accent);
}

.sliderow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
}
.sliderow::before {
  content: "Speed";
  font-size: 9px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--muted);
}
.sliderow input[type="range"] {
  flex: 1;
  min-width: 0;
  -webkit-appearance: none;
  appearance: none;
  height: 16px;
  background: transparent;
  cursor: pointer;
}
.sliderow input[type="range"]::-webkit-slider-runnable-track {
  height: 1px;
  background: linear-gradient(
    90deg,
    var(--accent) var(--fill, 40%),
    var(--stroke) var(--fill, 40%)
  );
}
.sliderow input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 8px;
  height: 8px;
  border-radius: 99px;
  margin-top: -3.5px;
  background: var(--text);
  border: none;
}
.sliderow input[type="range"]::-moz-range-track {
  height: 1px;
  background: var(--stroke);
}
.sliderow input[type="range"]::-moz-range-progress {
  height: 1px;
  background: var(--accent);
}
.sliderow input[type="range"]::-moz-range-thumb {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: var(--text);
  border: none;
}
.pill-val {
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  min-width: 30px;
  text-align: right;
}

.more {
  margin-top: 6px;
}
.label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1.6px;
  color: var(--muted);
  font-weight: 400;
  margin: 24px 0 12px;
}
.seg {
  display: flex;
  gap: 20px;
}
.seg button {
  border: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s ease;
}
.seg button:hover {
  color: var(--text);
}
.seg button.active {
  color: var(--accent);
}
.presets {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}
.preset {
  appearance: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3px;
  transition: color 0.15s ease;
}
.preset:hover {
  color: var(--text);
}
.switchrow {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}
.switch {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  font-size: 11px;
  letter-spacing: 0.3px;
  color: var(--muted);
}
.switch::before {
  content: "";
  width: 7px;
  height: 7px;
  border: 1px solid var(--muted);
  flex: none;
  transition:
    background 0.15s ease,
    border-color 0.15s ease;
}
.switch:has(input:checked) {
  color: var(--text);
}
.switch:has(input:checked)::before {
  background: var(--accent);
  border-color: var(--accent);
}
.switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

#fab {
  position: fixed;
  top: 22px;
  right: 22px;
  z-index: 9;
  cursor: pointer;
  display: none;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
  border: 0;
  padding: 4px;
}
#fab:hover {
  color: var(--text);
}
body.panel-hidden #fab {
  display: block;
}

@media (max-width: 680px) {
  .panel {
    top: auto;
    bottom: 14px;
    left: 14px;
    right: 14px;
    width: auto;
    max-height: 46vh;
  }
  body.panel-hidden .panel {
    transform: translateY(120%);
  }
  #fab {
    top: auto;
    bottom: 16px;
    right: 16px;
  }
}