:root{--accent:#0a6;--bg:#f6f8fa;--card:#fff}
*{box-sizing:border-box}
body{font-family:Inter,system-ui,Arial,sans-serif;margin:0;background:var(--bg);color:#111}
header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:white;box-shadow:0 1px 4px rgba(0,0,0,.06)}
h1{margin:0;font-size:20px}
nav button{margin-left:8px;padding:8px 10px;border-radius:8px;border:1px solid #ddd;background:#fff;cursor:pointer}
main{padding:16px;max-width:980px;margin:18px auto}
.col{display:grid;gap:12px;background:var(--card);padding:16px;border-radius:10px;box-shadow:0 6px 18px rgba(12,12,12,.04)}
#scanner-area{display:grid;gap:8px}
video{width:100%;max-height:360px;border-radius:8px;background:#000;object-fit:cover}
label{display:block}
input,select,button{padding:8px;border:1px solid #ddd;border-radius:8px}
.form-actions{display:flex;gap:8px}
#quick-buttons{display:flex;gap:8px;flex-wrap:wrap}
.quick-btn{padding:6px 10px;border-radius:8px;border:1px solid #ddd;background:#fafafa;cursor:pointer}
.list-controls{display:flex;gap:8px;align-items:center;margin-bottom:8px}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{padding:8px;border-bottom:1px solid #eee;text-align:left}
th{background:#fafafa}
footer{max-width:980px;margin:10px auto;padding:6px 16px;color:#666;font-size:13px}
.hint{font-size:13px;color:#666}