* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; background: #0b0d12; color: #e8e8e8; }
.wrap { max-width: 980px; margin: 0 auto; padding: 24px; }
h1 { margin: 0 0 16px; font-size: 24px; }
h2 { margin: 0 0 10px; font-size: 16px; }

.card { background: #141826; border: 1px solid #232943; border-radius: 12px; padding: 16px; margin: 12px 0; }
.panel { background: #0f1320; border: 1px solid #232943; border-radius: 12px; padding: 12px; }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.space { justify-content: space-between; }
.grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 12px; }
@media (max-width: 860px) { .grid { grid-template-columns: 1fr; } }

label { min-width: 120px; }
input { background: #0b0d12; color: #e8e8e8; border: 1px solid #2a3152; border-radius: 10px; padding: 10px 12px; outline: none; width: 360px; max-width: 100%; }
button { background: #2b5cff; color: white; border: none; border-radius: 10px; padding: 10px 12px; cursor: pointer; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.hidden { display: none; }
.box { margin-top: 10px; padding: 12px; border: 1px dashed #2a3152; border-radius: 12px; }

video { width: 100%; max-height: 520px; background: black; border-radius: 10px; border: 1px solid #2a3152; }

ul { margin: 0; padding-left: 18px; }
.muted { opacity: 0.8; font-size: 13px; }
.log pre, pre { background: #0b0d12; border: 1px solid #2a3152; border-radius: 12px; padding: 10px; overflow: auto; min-height: 130px; }
.footer { margin-top: 18px; }