:root{--brand:#10abc0;--brand2:#0c7190;--nav:#172338;--bg:#f4f7fb;--card:#fff;--text:#1f2937;--muted:#6b7280;--ok:#198754;--danger:#dc3545;--warn:#f59e0b}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.top{height:68px;background:linear-gradient(90deg,var(--brand2),var(--brand));color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 28px;box-shadow:0 4px 18px #0002}.brand{font-size:21px;font-weight:800}.navlinks{display:flex;gap:10px}.navlinks a{padding:9px 13px;border-radius:10px;background:#ffffff1a}.wrap{max-width:1250px;margin:28px auto;padding:0 18px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat,.card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;box-shadow:0 7px 22px #18253b0b}.stat{padding:20px}.stat b{display:block;font-size:28px;margin-top:8px}.muted{color:var(--muted)}.card{padding:20px;margin-top:18px}.toolbar{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:10px 15px;font-weight:700;cursor:pointer}.btn-primary{background:var(--brand);color:#fff}.btn-dark{background:#223149;color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-warning{background:var(--warn);color:#fff}.btn-light{background:#eef2f7;color:#243244}.table-wrap{overflow:auto;margin-top:16px}table{width:100%;border-collapse:collapse;min-width:950px}th,td{padding:13px 10px;border-bottom:1px solid #edf0f4;text-align:left;font-size:14px}th{font-size:12px;text-transform:uppercase;color:#6b7280}.badge{display:inline-block;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800}.active{background:#dcfce7;color:#166534}.suspended{background:#fef3c7;color:#92400e}.blocked,.expired{background:#fee2e2;color:#991b1b}.input,.select,.textarea{width:100%;border:1px solid #dbe1ea;border-radius:10px;padding:11px 12px;background:#fff;font:inherit}.textarea{min-height:90px;resize:vertical}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}.full{grid-column:1/-1}.flash{padding:12px 15px;border-radius:12px;margin-bottom:16px}.flash.success{background:#dcfce7;color:#166534}.flash.error{background:#fee2e2;color:#991b1b}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(145deg,#0c7190,#11b4c8)}.login-box{width:min(430px,92vw);background:#fff;border-radius:22px;padding:28px;box-shadow:0 25px 70px #0003}.login-box h1{margin:0 0 6px}.login-logo{width:72px;height:72px;border-radius:18px;background:linear-gradient(135deg,var(--brand2),var(--brand));display:grid;place-items:center;color:#fff;font-weight:900;font-size:24px;margin-bottom:18px}.actions{display:flex;gap:7px;flex-wrap:wrap}.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f1f5f9;padding:5px 7px;border-radius:7px}.empty{padding:40px;text-align:center;color:#6b7280}@media(max-width:850px){.grid{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.full{grid-column:auto}.top{padding:0 14px}.navlinks a{font-size:12px}}@media(max-width:520px){.grid{grid-template-columns:1fr}.brand{font-size:17px}}