:root {
  color-scheme: dark;
  --bg: #0b0d0f;
  --panel: #14171a;
  --panel-border: #2a3036;
  --text: #edf2f4;
  --muted: #96a0aa;
  --accent: #20d6aa;
  --accent-2: #84f3d5;
  --danger: #ffcc66;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Arial, sans-serif;
}

button,
input,
select {
  font: inherit;
}

.app {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  min-height: 100vh;
}

.viewport {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: #050607;
}

.camera,
.overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.camera {
  transform: scaleX(-1);
  filter: contrast(1.04) saturate(0.92);
}

.overlay {
  pointer-events: auto;
}

.hud {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: rgba(237, 242, 244, 0.9);
  pointer-events: none;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.65);
}

.hud-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 22px;
  font-weight: 700;
}

.hud-subline {
  font-size: 13px;
  color: rgba(237, 242, 244, 0.7);
}

.status {
  position: absolute;
  left: 20px;
  top: 18px;
  max-width: calc(100% - 40px);
  padding: 8px 10px;
  border: 1px solid rgba(132, 243, 213, 0.28);
  background: rgba(3, 6, 8, 0.62);
  color: rgba(237, 242, 244, 0.82);
  font-size: 13px;
}

.panel {
  border-left: 1px solid var(--panel-border);
  background: var(--panel);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow: auto;
}

.brand {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

h1 {
  margin: 0 0 4px;
  font-size: 18px;
  line-height: 1.2;
}

p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.primary,
.segmented button {
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  background: #1c2227;
  color: var(--text);
  cursor: pointer;
}

.primary {
  flex: 0 0 auto;
  padding: 9px 12px;
  border-color: rgba(32, 214, 170, 0.45);
  background: rgba(32, 214, 170, 0.16);
  color: var(--accent-2);
  font-weight: 650;
}

.primary:hover,
.segmented button:hover {
  border-color: rgba(132, 243, 213, 0.55);
}

.control-group,
.control-grid {
  display: grid;
  gap: 10px;
}

.control-grid {
  gap: 14px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

select {
  width: 100%;
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 9px 10px;
  background: #0d1114;
  color: var(--text);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

output {
  justify-self: end;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

.segmented button {
  padding: 8px 10px;
}

.segmented button.active {
  border-color: rgba(32, 214, 170, 0.55);
  background: rgba(32, 214, 170, 0.14);
  color: var(--accent-2);
}

.projection-mode {
  grid-template-columns: 1fr 1fr 1fr;
}

.preview-box {
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  overflow: hidden;
  background: #050607;
}

#jbdPreview {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
}

@media (max-width: 920px) {
  .app {
    grid-template-columns: 1fr;
  }

  .viewport {
    min-height: 62vh;
  }

  .panel {
    border-left: 0;
    border-top: 1px solid var(--panel-border);
  }
}