:root {
  color-scheme: dark;
  --bg: #14161a;
  --panel: #1d2026;
  --border: #2c313a;
  --text: #e8eaed;
  --muted: #9aa0a8;
  --accent: #4f8cff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}

header h1 { font-size: 16px; margin: 0; font-weight: 600; }

.badge {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
}

main {
  flex: 1;
  display: flex;
  min-height: 0;
}

.screen {
  flex: 1;
  background: #000;
  min-width: 0;
}

.screen iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.controls {
  width: 320px;
  flex-shrink: 0;
  overflow-y: auto;
  border-left: 1px solid var(--border);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.panel h2 {
  font-size: 13px;
  margin: 0 0 8px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}

.row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.row.small {
  font-size: 12px;
  color: var(--muted);
}

.row + .row { margin-top: 8px; }

button, select, input[type="text"] {
  background: #262a32;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 13px;
}

button {
  cursor: pointer;
}

button:hover { border-color: var(--accent); }

label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
  flex: 1;
}

label.switch {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
}

input[type="range"] { width: 100%; }