:root{--bg: #f0f2f5;--card: #ffffff;--ink: #1f2937;--muted: #6b7280;--border: #e5e7eb;--primary: #2563eb;--primary-dark: #1d4ed8}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,sans-serif;background:var(--bg);color:var(--ink);font-size:14px}.loading,.empty{text-align:center;padding:48px 20px;color:var(--muted)}.empty span{display:block;font-size:2.5rem;margin-bottom:8px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-card{background:var(--card);border-radius:12px;padding:36px 32px;width:100%;max-width:360px;box-shadow:0 10px 30px #0000001a}.login-card h1{margin:0;font-size:1.3rem;text-align:center}.login-sub{text-align:center;color:var(--muted);margin:6px 0 24px}.login-card label{display:block;font-size:.8rem;font-weight:600;color:#374151;margin-bottom:14px}.login-card input{display:block;width:100%;margin-top:6px;padding:10px 12px;border:1px solid #d1d5db;border-radius:6px;font-size:.9rem}.login-card button{width:100%;margin-top:8px}.container{max-width:1100px;margin:0 auto;padding:28px 20px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.brand{display:flex;align-items:center;gap:12px}.brand h1{margin:0;font-size:1.4rem}.pill{font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:#dbeafe;color:var(--primary-dark);padding:3px 10px;border-radius:999px}.userbox{display:flex;align-items:center;gap:12px}.username{font-weight:600;color:#374151}.card{background:var(--card);border-radius:10px;padding:22px 24px;margin-bottom:22px;box-shadow:0 1px 3px #00000014}.card h2{margin:0 0 16px;font-size:.95rem;font-weight:600;color:#374151;padding-bottom:12px;border-bottom:1px solid var(--border)}.form-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.form-row input{flex:1;min-width:220px;max-width:400px;padding:9px 13px;border:1px solid #d1d5db;border-radius:6px;font-size:.9rem;transition:border-color .15s,box-shadow .15s}.form-row input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f62e}button{padding:9px 20px;background:var(--primary);color:#fff;border:none;border-radius:6px;font-size:.875rem;font-weight:600;cursor:pointer;transition:background .15s;white-space:nowrap}button:hover{background:var(--primary-dark)}button:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--border)}.btn-ghost:hover{background:#f3f4f6;color:var(--ink)}.alert{padding:11px 16px;border-radius:7px;margin-bottom:18px;font-size:.875rem;font-weight:500}.alert-ok{background:#d1fae5;color:#065f46;border:1px solid #a7f3d0}.alert-err{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}.stats{display:flex;gap:14px;margin-bottom:20px;flex-wrap:wrap}.stat{flex:1;min-width:110px;text-align:center;padding:14px 10px;border-radius:8px;background:#f9fafb;border:1px solid var(--border)}.stat .n{font-size:2rem;font-weight:700;line-height:1}.stat .l{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-top:4px}.n-total{color:#111827}.n-active{color:#059669}.n-pending{color:#d97706}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th{padding:9px 14px;text-align:left;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);border-bottom:2px solid var(--border);background:#f9fafb;white-space:nowrap}td{padding:11px 14px;border-bottom:1px solid #f3f4f6;vertical-align:middle}tr:last-child td{border-bottom:none}tbody tr:hover td{background:#fafafa}.serial{font-family:SF Mono,Fira Code,Courier New,monospace;font-weight:600;font-size:.85rem}.uuid{font-family:SF Mono,Fira Code,Courier New,monospace;font-size:.78rem;color:var(--muted);word-break:break-all}.dimmed{color:#9ca3af}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.72rem;font-weight:700}.badge-active{background:#d1fae5;color:#065f46}.badge-pending{background:#fef3c7;color:#92400e}