:root{--primary: #1e3a5f;--primary-light: #2d5a8e;--accent: #0ea5e9;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--bg: #f8fafc;--card-bg: #ffffff;--text: #1e293b;--text-muted: #64748b;--border: #e2e8f0;--radius: 8px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.app-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--primary);color:#fff;padding:24px 0;display:flex;flex-direction:column}.sidebar-logo{padding:0 20px 24px;font-size:20px;font-weight:700;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:16px}.sidebar-nav{flex:1}.sidebar-link{display:flex;align-items:center;gap:10px;padding:10px 20px;color:#ffffffb3;text-decoration:none;font-size:14px;transition:all .2s}.sidebar-link:hover,.sidebar-link.active{background:#ffffff1a;color:#fff}.sidebar-link.active{border-left:3px solid var(--accent)}.main-content{flex:1;padding:24px 32px;overflow-y:auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-header h1{font-size:24px;font-weight:600}.logout-btn{padding:8px 16px;border:1px solid var(--border);border-radius:var(--radius);background:#fff;color:var(--text);cursor:pointer;font-size:13px}.logout-btn:hover{background:var(--bg)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:32px}.stat-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.stat-card .label{font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:4px}.stat-card .value{font-size:28px;font-weight:700}.stat-card .value.success{color:var(--success)}.stat-card .value.warning{color:var(--warning)}.stat-card .value.danger{color:var(--danger)}.stat-card .value.accent{color:var(--accent)}.table-container{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.table-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border)}.table-header h2{font-size:16px;font-weight:600}table{width:100%;border-collapse:collapse}thead th{text-align:left;padding:12px 16px;font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);background:var(--bg);border-bottom:1px solid var(--border)}tbody td{padding:12px 16px;font-size:14px;border-bottom:1px solid var(--border)}tbody tr:hover{background:#f1f5f9}.badge{display:inline-block;padding:2px 10px;border-radius:12px;font-size:12px;font-weight:500}.badge-active{background:#dcfce7;color:#166534}.badge-expired{background:#fef3c7;color:#92400e}.badge-revoked{background:#fee2e2;color:#991b1b}.badge-monthly{background:#e0e7ff;color:#3730a3}.badge-6months{background:#ede9fe;color:#5b21b6}.badge-yearly{background:#fce7f3;color:#9d174d}.btn{padding:8px 16px;border:none;border-radius:var(--radius);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:#0284c7}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#16a34a}.btn-sm{padding:4px 10px;font-size:12px}.btn-outline{background:#fff;border:1px solid var(--border);color:var(--text)}.btn-outline:hover{background:var(--bg)}.actions{display:flex;gap:6px}.search-bar{display:flex;gap:12px;margin-bottom:16px}.search-input{flex:1;padding:8px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;outline:none}.search-input:focus{border-color:var(--accent)}select.filter-select{padding:8px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;background:#fff}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--primary)}.login-card{background:#fff;border-radius:12px;padding:40px;width:400px;max-width:90%}.login-card h1{font-size:24px;margin-bottom:4px}.login-card p{color:var(--text-muted);margin-bottom:24px;font-size:14px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:4px}.form-group input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;outline:none}.form-group input:focus{border-color:var(--accent)}.btn-full{width:100%;padding:12px;font-size:15px}.error-msg{color:var(--danger);font-size:13px;margin-top:8px}.pagination{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;border-top:1px solid var(--border);font-size:13px;color:var(--text-muted)}.pagination-btns{display:flex;gap:6px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:#fff;border-radius:12px;padding:24px;width:440px;max-width:90%}.modal h3{margin-bottom:16px}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:20px}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:40px;color:var(--text-muted)}