@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Bebas+Neue&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --bg: #090b10;
  --surface: #0f121d;
  --panel: #0b0e17;
  --border: #1a1f33;
  --border-lit: #2d3659;
  --accent: #00f2ff;
  --cyan: #00f2ff;
  --lime: #c8ff00;
  --amber: #ffaa00;
  --danger: #ff4466;
  --text: #e8ecf8;
  --text-dim: #6b7699;
  --text-faint: #3c4460;
}

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

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

header {
  border-bottom: 1px solid var(--border-lit);
  padding: 12px 24px;
  display: flex;
  align-items: baseline;
  gap: 14px;
  background: var(--bg);
  z-index: 20;
  flex-shrink: 0;
}

.site-label {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

header h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 28px;
  letter-spacing: 0.06em;
  color: var(--accent);
  line-height: 1;
}

.tag {
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  border: 1px solid var(--border-lit);
  padding: 2px 6px;
  text-transform: uppercase;
}
.tag.accent { border-color: var(--accent); color: var(--accent); }

.header-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  color: var(--text-dim);
}
.live-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.safety-banner {
  flex-shrink: 0;
  padding: 8px 24px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
}
.safety-banner.info { background: #081824; color: var(--cyan); }
.safety-banner.warn { background: #221a08; color: var(--amber); }

main {
  flex: 1;
  display: grid;
  grid-template-columns: 360px 1fr;
  overflow: hidden;
}

.panel {
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.panel-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 5;
}

.panel-title {
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.panel-content {
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.control-group {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 14px;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.control-group-title {
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lime);
  border-bottom: 1px dashed var(--border-lit);
  padding-bottom: 6px;
  margin-bottom: 2px;
}
.control-group-title.cyan { color: var(--cyan); }

.param-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.param-info {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
}

.param-label { color: var(--text-dim); }
.param-value {
  font-family: 'Share Tech Mono', monospace;
  color: var(--accent);
  font-size: 11px;
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: var(--border-lit);
  border-radius: 2px;
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 0 6px var(--accent);
}

.hint {
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.4;
  margin-top: 4px;
}

.readout-box {
  background: #06080e;
  border: 1px solid var(--border-lit);
  padding: 10px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  color: var(--lime);
  border-radius: 3px;
  line-height: 1.5;
}

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

.btn {
  background: var(--surface);
  border: 1px solid var(--border-lit);
  color: var(--text);
  padding: 8px 12px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.15s ease;
  border-radius: 3px;
}

.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 8px rgba(0, 242, 255, 0.2);
}

.btn.primary {
  background: rgba(0, 242, 255, 0.1);
  border-color: var(--accent);
  color: var(--accent);
}

.btn.primary:hover {
  background: var(--accent);
  color: #000;
  box-shadow: 0 0 12px var(--accent);
}

#viewport-container {
  position: relative;
  width: 100%;
  height: 100%;
}

#canvas3d {
  width: 100%;
  height: 100%;
  display: block;
}

.overlay-stats {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: rgba(15, 18, 29, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-lit);
  padding: 12px 16px;
  border-radius: 4px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  color: var(--text-dim);
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.overlay-stats span {
  color: var(--cyan);
}