:root {
  --bg: #0b0d12;
  --fg: #e8ebf0;
  --muted: #9aa3b2;
  --accent: #6aa3ff;
  --card: #131722;
  --border: #202736;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, Apple Color Emoji, Segoe UI Emoji;
  color: var(--fg);
  background: radial-gradient(1200px 800px at 20% 0%, #0f1220 0%, #0b0d12 60%);
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.2);
  position: sticky;
  top: 0;
}
header h1 { margin: 0; font-size: 18px; }
.env-note { color: var(--muted); font-size: 12px; }

main {
  max-width: 960px;
  margin: 24px auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.card h2 { margin-top: 0; font-size: 16px; }

label { display: block; margin: 8px 0; font-size: 13px; color: var(--muted); }
input[type="text"] {
  margin-top: 6px;
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0f1420;
  color: var(--fg);
}
button {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid #2a3550;
  background: linear-gradient(180deg, #6aa3ff, #4a7be6);
  color: white;
  cursor: pointer;
}
button:hover { filter: brightness(1.05); }
.secondary { background: transparent; border-color: var(--border); color: var(--muted); }
.secondary:hover { background: rgba(255,255,255,0.04); }

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-size: 12px; white-space: pre-wrap; }
.error { color: #ff7a7a; margin-top: 8px; min-height: 18px; }
.badge { display: inline-block; padding: 4px 10px; border-radius: 999px; background: #1a2336; border: 1px solid var(--border); font-size: 12px; color: var(--muted); }

.video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 10px;
}
video {
  width: 100%;
  background: #0f1420;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.controls { margin-top: 10px; }