:root{--bg:#f3f6fb;--card:#fff;--text:#172033;--muted:#6c778b;--border:#dfe5ee;--blue:#1559c7;--blue2:#0e459b;--green:#127a35;--red:#b42318;--orange:#a75d00}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}a{color:var(--blue);text-decoration:none}.top{background:#fff;border-bottom:1px solid var(--border)}.top .in{max-width:1120px;margin:auto;padding:15px 18px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-weight:800;font-size:20px}.nav{display:flex;gap:15px;align-items:center;flex-wrap:wrap}.wrap{max-width:1120px;margin:auto;padding:26px 18px}.card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px;margin-bottom:18px;box-shadow:0 6px 22px rgba(18,34,61,.05)}h1,h2,h3{margin-top:0}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}@media(max-width:760px){.grid,.grid3{grid-template-columns:1fr}}label{display:block;font-weight:700;margin:12px 0 6px}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #cad4e1;border-radius:8px;font-size:15px;background:#fff}textarea{min-height:90px}.btn{display:inline-block;border:0;border-radius:9px;background:var(--blue);color:white;padding:11px 16px;font-weight:700;font-size:15px;cursor:pointer}.btn:hover{background:var(--blue2)}.btn.alt{background:#eaf1fb;color:#1a477f}.btn.danger{background:var(--red)}.notice{padding:12px 14px;border-radius:9px;margin:12px 0;background:#eef5ff;border:1px solid #cce0fb}.ok{background:#eaf7ee;border-color:#c9ebd2;color:#116b31}.err{background:#fff0ef;border-color:#f1c5c1;color:#9b251d}.warn{background:#fff5e6;border-color:#f2d7ae;color:#8a5000}.small{font-size:13px;color:var(--muted)}.code{font-family:Consolas,monospace;font-size:12px;word-break:break-all}.badge{display:inline-block;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:700;background:#edf2f8}.badge.created{color:#45556d}.badge.sent,.badge.opened,.badge.otp_verified{background:#fff2df;color:#925400}.badge.signed{background:#e8f6ed;color:#116b31}.badge.expired{background:#fff0ef;color:#9b251d}table{width:100%;border-collapse:collapse}th,td{padding:10px 9px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}th{font-size:13px;color:#58657a}.pdf{height:67vh;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:#e8ebef}.pdf iframe{width:100%;height:100%;border:0}.kv{display:grid;grid-template-columns:200px 1fr;gap:7px 12px}@media(max-width:650px){.kv{grid-template-columns:1fr}}hr{border:0;border-top:1px solid var(--border);margin:20px 0}.center{max-width:620px;margin:40px auto}.steps{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.step{padding:7px 10px;border-radius:999px;background:#edf2f8;font-size:13px}.step.on{background:#1559c7;color:#fff}.secret{background:#fff8e8;border:1px solid #efd9a7;padding:10px;border-radius:8px}