:root{--bg:#0e7c66}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,Segoe UI,Roboto,Inter,Arial;background:#f7f7f8;color:#222}
header{background:var(--bg);color:#fff;padding:16px 20px}
h1{margin:0;font-size:20px}
.container{max-width:1024px;margin:18px auto;padding:0 16px}
.card{background:#fff;border-radius:16px;box-shadow:0 10px 28px rgba(0,0,0,.06);padding:16px;margin-bottom:16px}
.row{display:flex;gap:16px;flex-wrap:wrap}
.col{flex:1 1 320px}
video,canvas{width:100%;border-radius:12px;background:#000}
.btn{display:inline-flex;gap:8px;align-items:center;border:none;border-radius:10px;padding:10px 14px;font-weight:600;cursor:pointer}
.btn-primary{background:var(--bg);color:#fff}
.btn-tonal{background:#e9f4f1;color:#0e7c66}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#eef3ff;color:#1f4fff;font-weight:600;font-size:12px}
.small{font-size:12px;opacity:.75}
input,select{padding:10px 12px;border:1px solid #ddd;border-radius:8px;width:100%}
.code{font-family:ui-monospace,Consolas,monospace;background:#f2f2f2;border-radius:8px;padding:2px 6px}
.kv{display:grid;grid-template-columns:140px 1fr;gap:6px}