:root{--ink: #14161c;--paper: #f5f6f3;--teal: #0e6e63;--teal-700: #0b574e;--border: #e4e4dd;--muted: #5a6067;--red: #a12b23;font-family:Inter,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);line-height:1.6}.wrap{max-width:720px;margin:0 auto;padding:24px 20px 60px}.card{max-width:460px;margin:8vh auto 0;background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px}h1{font-size:1.6rem;margin:0 0 6px}h2{font-size:1.15rem;margin:28px 0 10px}p{margin:8px 0}label{display:block;font-weight:600;font-size:.9rem;margin:14px 0 6px}input{width:100%;border:1px solid var(--border);border-radius:10px;padding:.7rem .8rem;font:inherit}button{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:999px;padding:.7rem 1.2rem;font:inherit;font-weight:600;cursor:pointer;background:var(--teal);color:#fff}button:hover{background:var(--teal-700)}button:disabled{opacity:.5;cursor:default}button.ghost{background:#fff;color:var(--ink);border-color:var(--border)}.full{width:100%;margin-top:18px;padding:.85rem;font-size:1rem}.msg{margin-top:14px;padding:.75rem 1rem;border-radius:10px;font-size:.92rem}.msg.err{background:#fdeceb;color:var(--red);border:1px solid #f3c9c5}.msg.ok{background:#e7f1ef;color:var(--teal-700);border:1px solid #bfe0da}.msg.info{background:#eef1f4;color:#33404d;border:1px solid #d6dde4}.muted{color:var(--muted);font-size:.88rem}.link{background:none;border:none;color:var(--teal);padding:0;font-weight:600;cursor:pointer}.reflink{display:flex;gap:8px;align-items:center;margin-top:6px}.reflink code{background:var(--paper);border:1px solid var(--border);border-radius:8px;padding:.5rem .7rem;font-size:.85rem;overflow-wrap:anywhere;flex:1}table{width:100%;border-collapse:collapse;margin-top:8px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);font-size:.92rem}th{color:var(--muted);font-weight:600}.qr{width:200px;height:200px;border:1px solid var(--border);border-radius:10px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}