/* Orbit — shared chrome (backend-agnostic).
 * Renderer-specific styling lives in canvas/canvas.css and svg/scene.css. */
:root {
  --bg: #04050b;
  --ink: #eaf0ff;
  --muted: #8a93b2;
  --line: rgba(140, 160, 210, 0.14);
  --panel: rgba(14, 18, 32, 0.72);
  --panel-brd: rgba(150, 170, 220, 0.16);
  --accent: #5ad1ff;
  --sans: 'Space Grotesk', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  height: 100%;
}
body {
  background:
    radial-gradient(1200px 800px at 70% -10%, rgba(40, 70, 130, 0.2), transparent 60%),
    radial-gradient(900px 700px at 15% 110%, rgba(70, 40, 120, 0.16), transparent 55%),
    radial-gradient(140% 100% at 50% 120%, rgba(8, 12, 26, 0.6), transparent 70%), var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* faint parallax starfield (DOM in both renderers) */
.stars {
  position: fixed;
  inset: -8%;
  pointer-events: none;
  opacity: 0.6;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 80% 20%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 60% 70%, rgba(255, 255, 255, 0.45), transparent),
    radial-gradient(1px 1px at 35% 80%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1.4px 1.4px at 90% 60%, rgba(255, 255, 255, 0.55), transparent),
    radial-gradient(1px 1px at 10% 65%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1.2px 1.2px at 50% 12%, rgba(255, 255, 255, 0.5), transparent);
}
.stars2 {
  opacity: 0.42;
  background-image:
    radial-gradient(1px 1px at 12% 18%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1.3px 1.3px at 72% 42%, rgba(200, 224, 255, 0.7), transparent),
    radial-gradient(1px 1px at 44% 58%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 88% 84%, rgba(255, 255, 255, 0.45), transparent),
    radial-gradient(1.1px 1.1px at 28% 90%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1px 1px at 64% 8%, rgba(255, 255, 255, 0.45), transparent);
}
@keyframes drift1 {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-2%, 1.5%, 0);
  }
}
@keyframes drift2 {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(2.4%, -1.8%, 0);
  }
}
@keyframes tw1 {
  0%,
  100% {
    opacity: 0.6;
  }
  50% {
    opacity: 0.34;
  }
}
@keyframes tw2 {
  0%,
  100% {
    opacity: 0.42;
  }
  50% {
    opacity: 0.68;
  }
}

.stage {
  position: fixed;
  inset: 0;
}

/* brand mark */
.brand {
  position: fixed;
  top: 26px;
  left: 30px;
  z-index: 5;
}
.brand .mark {
  display: flex;
  align-items: center;
  gap: 11px;
}
.brand .glyph {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(140deg, #5ad1ff, #7c6bff);
  display: grid;
  place-items: center;
  color: #04060e;
  font-weight: 700;
  font-size: 17px;
  box-shadow: 0 6px 24px rgba(90, 140, 255, 0.35);
}
.brand .name {
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand .name b {
  color: var(--accent);
  font-weight: 600;
}
.brand .tag {
  margin: 7px 0 0 41px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* control panel — demo only; the clean production hero hides it entirely */
body:not(.demo) .panel {
  display: none;
}
.panel {
  position: fixed;
  left: 30px;
  bottom: 28px;
  z-index: 6;
  width: 312px;
  background: var(--panel);
  border: 1px solid var(--panel-brd);
  border-radius: 16px;
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  padding: 16px 16px 14px;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.live {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.live .blip {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #36d399;
  box-shadow: 0 0 0 0 rgba(54, 211, 153, 0.6);
  animation: blip 1.8s ease-out infinite;
}
@keyframes blip {
  0% {
    box-shadow: 0 0 0 0 rgba(54, 211, 153, 0.55);
  }
  100% {
    box-shadow: 0 0 0 9px rgba(54, 211, 153, 0);
  }
}

.total {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin-bottom: 14px;
}
.total #total-count {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 34px;
  line-height: 1;
  color: #fff;
  font-variant-numeric: tabular-nums;
}
.total .total-lbl {
  font-size: 12px;
  color: var(--muted);
}

.act-row {
  display: grid;
  grid-template-columns: 22px 1fr auto 26px;
  align-items: center;
  gap: 10px;
  padding: 5px 0;
}
.act-row.off {
  opacity: 0.4;
}
.swatch {
  position: relative;
  width: 18px;
  height: 18px;
  border-radius: 5px;
  background: var(--c);
  cursor: pointer;
  box-shadow:
    0 0 10px -1px var(--c),
    inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}
.swatch input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
  border: 0;
  padding: 0;
}
.act-name {
  font-size: 13px;
  color: var(--ink);
}
.act-count {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.eye {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 6px;
  width: 26px;
  height: 22px;
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
  transition: 0.15s;
}
.eye .eye-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  transition: 0.15s;
}
.eye[aria-pressed='false'] .eye-dot {
  background: #444b63;
  box-shadow: none;
}
.eye:hover {
  border-color: var(--accent);
}

.divider {
  height: 1px;
  background: var(--line);
  margin: 12px 0;
}

.ctrl {
  margin: 9px 0;
}
.ctrl-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.ctrl-top label {
  font-size: 12px;
  color: var(--muted);
}
.ctrl-top .val {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
}
input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), #7c6bff);
  outline: none;
  cursor: pointer;
}
input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(90, 209, 255, 0.25);
  cursor: pointer;
}
input[type='range']::-moz-range-thumb {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #fff;
  border: 0;
  box-shadow: 0 0 0 4px rgba(90, 209, 255, 0.25);
  cursor: pointer;
}

.row-btns {
  display: flex;
  gap: 8px;
  margin-top: 13px;
}
.btn {
  flex: 1;
  appearance: none;
  border: 1px solid var(--panel-brd);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  border-radius: 10px;
  padding: 9px 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  transition: 0.15s;
}
.btn:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--accent);
}
.btn .ico {
  width: 12px;
  height: 12px;
  display: inline-block;
}
#pause .pp-pause {
  display: inline-block;
}
#pause .pp-play {
  display: none;
}
#pause.paused .pp-pause {
  display: none;
}
#pause.paused .pp-play {
  display: inline-block;
}

.fw-row {
  display: grid;
  grid-template-columns: 26px auto 1fr;
  align-items: center;
  gap: 9px;
  margin-top: 12px;
}
.fw-row.off {
  opacity: 0.5;
}
.fw-label {
  font-size: 13px;
  color: var(--ink);
  white-space: nowrap;
}
.fw-select {
  justify-self: end;
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink);
  border: 1px solid var(--panel-brd);
  border-radius: 8px;
  padding: 6px 8px;
  font-family: var(--sans);
  font-size: 12px;
  cursor: pointer;
  max-width: 130px;
  -webkit-appearance: none;
  appearance: none;
}
.fw-select:focus {
  outline: none;
  border-color: var(--accent);
}
.fw-select option {
  background: #0e1220;
  color: var(--ink);
}
.hint {
  margin-top: 11px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--muted);
  text-align: center;
  letter-spacing: 0.04em;
  opacity: 0.8;
}

/* scene settings (expander) */
.scene-expander {
  margin-top: 13px;
  width: 100%;
  appearance: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 12px;
  border-radius: 11px;
  border: 1px solid var(--panel-brd);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  transition: 0.15s;
}
.scene-expander:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--accent);
}
.scene-expander .gear-ico {
  width: 15px;
  height: 15px;
  color: var(--accent);
  flex: none;
}
.scene-expander .se-label {
  flex: 1;
  text-align: left;
}
.scene-expander .chev {
  width: 13px;
  height: 13px;
  color: var(--muted);
  transition: transform 0.2s;
}
.scene-expander[aria-pressed='true'] {
  border-color: var(--accent);
  background: rgba(90, 209, 255, 0.08);
}
.scene-expander[aria-pressed='true'] .chev {
  transform: rotate(180deg);
  color: var(--accent);
}
.scene {
  margin-top: 12px;
  border-top: 1px solid var(--line);
  padding-top: 6px;
  max-height: 46vh;
  overflow-y: auto;
  overflow-x: hidden;
}
.scene::-webkit-scrollbar {
  width: 7px;
}
.scene::-webkit-scrollbar-thumb {
  background: rgba(150, 170, 220, 0.22);
  border-radius: 4px;
}
.scene[hidden] {
  display: none;
}
.sec-h {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 14px 0 6px;
  opacity: 0.8;
}
.sec-h:first-child {
  margin-top: 6px;
}
.sc-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 5px 0;
}
.sc-row .sc-lbl {
  font-size: 12.5px;
  color: var(--ink);
}
.sc-slider {
  padding: 2px 0 9px;
}
.sc-slider .sc-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.sc-slider .sc-lbl {
  font-size: 12.5px;
  color: var(--muted);
}
.sc-slider .sc-val {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--accent);
}
.sc-seg {
  display: flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 3px;
}
.sc-seg button {
  flex: 1;
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 11.5px;
  padding: 5px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.13s;
  white-space: nowrap;
}
.sc-seg button.on {
  background: rgba(90, 209, 255, 0.16);
  color: var(--ink);
}
.sw {
  appearance: none;
  border: 0;
  width: 38px;
  height: 22px;
  border-radius: 12px;
  background: rgba(120, 135, 170, 0.35);
  position: relative;
  cursor: pointer;
  transition: 0.18s;
  flex: none;
}
.sw::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  transition: 0.18s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}
.sw[aria-pressed='true'] {
  background: linear-gradient(90deg, var(--accent), #7c6bff);
}
.sw[aria-pressed='true']::after {
  left: 18px;
}

/* live ticker (top-right) */
.ticker {
  position: fixed;
  top: 26px;
  right: 30px;
  z-index: 5;
  width: 286px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  pointer-events: none;
}
.tk-line {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border-radius: 11px;
  background: rgba(14, 18, 32, 0.5);
  border: 1px solid rgba(150, 170, 220, 0.12);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.32);
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink);
  animation: tkin 0.5s cubic-bezier(0.2, 0.75, 0.2, 1) both;
  overflow: hidden;
}
.tk-line .tk-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: none;
  box-shadow: 0 0 9px currentColor;
}
.tk-line .tk-txt {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.01em;
}
.tk-line .tk-city {
  color: var(--muted);
}
.tk-line.tk-surge {
  border-color: rgba(90, 209, 255, 0.4);
  background: rgba(20, 34, 52, 0.6);
  color: #dff4ff;
  font-weight: 600;
  letter-spacing: 0.02em;
}
@keyframes tkin {
  from {
    opacity: 0;
    transform: translateY(-9px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* FPS meter */
.fps-meter {
  position: fixed;
  top: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 7;
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 10px;
  background: rgba(14, 18, 32, 0.6);
  border: 1px solid var(--panel-brd);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-family: var(--mono);
  color: var(--ink);
  pointer-events: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.32);
}
.fps-meter .fps-num {
  font-size: 17px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: #5cffb0;
}
.fps-meter .fps-unit {
  font-size: 10px;
  color: var(--muted);
}
.fps-meter .fps-ms {
  font-size: 11px;
  color: var(--muted);
  margin-left: 4px;
}
.fps-meter .fps-tag {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-left: 8px;
  padding-left: 8px;
  border-left: 1px solid var(--line);
}
.fps-meter.warn .fps-num {
  color: #ffd166;
}
.fps-meter.bad .fps-num {
  color: #ff8a8a;
}

/* loading */
#loading {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 20;
  background: var(--bg);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px;
}
.spinner {
  width: 30px;
  height: 30px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 14px;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.load-err {
  color: #ff8a8a;
  text-align: center;
  line-height: 1.6;
}

@media (max-width: 560px) {
  .panel {
    left: 12px;
    right: 12px;
    bottom: 12px;
    width: auto;
  }
  .brand {
    top: 14px;
    left: 16px;
  }
  .ticker {
    display: none;
  }
  .fps-meter {
    top: auto;
    bottom: 12px;
    left: 12px;
    transform: none;
  }
}