:root{--bg: #f4f5f7;--card: #ffffff;--border: #e2e4e8;--text: #1f2430;--muted: #6b7280;--primary: #2563eb;--primary-hover: #1d4ed8;--error: #dc2626;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button{cursor:pointer;border:none;border-radius:6px;padding:10px 16px;font-size:14px;font-weight:600;background:var(--primary);color:#fff}button:hover:not(:disabled){background:var(--primary-hover)}button:disabled{opacity:.6;cursor:not-allowed}.error{color:var(--error);font-size:14px}.login-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:32px;width:320px;display:flex;flex-direction:column;gap:16px;box-shadow:0 6px 24px #0000000d}.login-card h1{margin:0 0 8px;font-size:20px}.login-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--muted)}.login-card input{padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px}.users-page{max-width:960px;margin:40px auto;padding:0 20px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-header h1{margin:0;font-size:24px}.page-header-left{display:flex;align-items:center;gap:20px}.page-header-actions{display:flex;align-items:center;gap:10px}.nav{display:flex;gap:8px}.nav a{text-decoration:none;color:var(--muted);font-size:14px;font-weight:600;padding:6px 10px;border-radius:6px}.nav a:hover{background:#eef0f3}.nav a.active{color:var(--primary);background:#e8effe}.logout{background:#e5e7eb;color:var(--text)}.logout:hover:not(:disabled){background:#d1d5db}.user-table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--border);border-radius:10px;overflow:hidden}.user-table th,.user-table td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--border);font-size:14px}.user-table th{background:#f9fafb;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}.user-table tr:last-child td{border-bottom:none}.user-table .masked{letter-spacing:2px;color:var(--muted)}.empty{color:var(--muted)}.notice{background:#ecfdf5;border:1px solid #a7f3d0;color:#047857;padding:10px 14px;border-radius:8px;font-size:14px;margin:0 0 16px}.secondary{background:#e5e7eb;color:var(--text)}.secondary:hover:not(:disabled){background:#d1d5db}.danger{background:#fee2e2;color:var(--error)}.danger:hover:not(:disabled){background:#fecaca}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:center;justify-content:center;padding:20px}.modal-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:28px;width:380px;display:flex;flex-direction:column;gap:16px;box-shadow:0 12px 40px #0000002e}.modal-card h2{margin:0;font-size:18px}.modal-subtitle{margin:0;font-size:14px;color:var(--muted)}.modal-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--muted)}.modal-card input,.modal-card select{padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;width:100%;background:var(--card);color:var(--text)}.row-actions{display:flex;gap:8px;flex-wrap:wrap}.totp-qr{display:block;width:200px;height:200px;align-self:center;border:1px solid var(--border);border-radius:8px}.tag{display:inline-block;margin-left:8px;padding:1px 6px;border-radius:4px;background:#fef3c7;color:#92400e;font-size:11px;font-weight:700;letter-spacing:.03em;text-transform:uppercase}.checkbox-group{border:1px solid var(--border);border-radius:6px;padding:10px 12px;margin:0;display:flex;flex-direction:column;gap:8px}.checkbox-group legend{font-size:13px;font-weight:600;color:var(--muted);padding:0 4px}.checkbox-row{display:flex;flex-direction:row;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--text)}.checkbox-row input{width:auto}.input-row{display:flex;gap:8px}.input-row input{flex:1}.modal-actions{display:flex;justify-content:flex-end;gap:10px}