*{box-sizing:border-box;margin:0;padding:0}body{color:#333;background:#f0f2f5;font-family:Segoe UI,Arial,sans-serif}.app{flex-direction:column;min-height:100vh;display:flex}.topbar{background:#007cb0;border-bottom:1px solid #006a99;flex-shrink:0;justify-content:space-between;align-items:center;height:48px;padding:0 20px;display:flex}.topbar-left{align-items:center;gap:24px;display:flex}.topbar-logo{color:#fff;font-size:18px;font-weight:700}.topbar-nav{gap:4px;display:flex}.topbar-nav a{color:#fffc;border-bottom:2px solid #0000;padding:12px 16px;font-size:14px;text-decoration:none;transition:all .2s}.topbar-nav a:hover,.topbar-nav a.active{color:#fff;border-bottom-color:#fff}.topbar-right{align-items:center;gap:12px;display:flex;position:relative}.topbar-avatar{color:#fff;cursor:pointer;background:#fff3;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;font-weight:600;display:flex}.topbar-user{color:#ffffffe6;font-size:13px}.app-body{flex:1;display:flex;overflow:hidden}.main{flex:1;padding:30px;overflow-y:auto}.page-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.page-header h1{color:#1a3a4a;font-size:24px;font-weight:600}.btn{cursor:pointer;border:none;border-radius:4px;padding:8px 16px;font-size:14px;text-decoration:none;transition:all .2s;display:inline-block}.btn-primary{color:#fff;background:#007cb0}.btn-primary:hover{background:#006a99}.btn-danger{color:#fff;background:#e74c3c}.btn-success{color:#fff;background:#27ae60}.btn-sm{padding:4px 10px;font-size:12px}.btn-outline{color:#007cb0;background:#fff;border:1px solid #007cb0}.card{background:#fff;border-radius:6px;margin-bottom:20px;padding:20px;box-shadow:0 1px 3px #00000014}table{border-collapse:collapse;background:#fff;border-radius:6px;width:100%;overflow:hidden;box-shadow:0 1px 3px #00000014}th{text-align:left;color:#1a3a4a;background:#e8f4f8;border-bottom:1px solid #cce5f0;padding:12px 16px;font-size:13px;font-weight:600}td{border-bottom:1px solid #f0f0f0;padding:12px 16px;font-size:14px}tr:hover{background:#f5fafc}.form-group{margin-bottom:15px}.form-group label{color:#555;margin-bottom:5px;font-size:13px;font-weight:500;display:block}.form-group input,.form-group select,.form-group textarea{border:1px solid #ddd;border-radius:4px;width:100%;padding:8px 12px;font-size:14px}.form-group input:focus,.form-group select:focus{border-color:#007cb0;outline:none}.modal-overlay{z-index:1000;background:#0006;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:#fff;border-radius:8px;width:500px;max-width:90%;max-height:80vh;padding:30px;overflow-y:auto}.modal h2{color:#1a3a4a;margin-bottom:20px}.result-block{white-space:pre-wrap;background:#f8f9fa;border:1px solid #e0e0e0;border-radius:4px;max-height:500px;padding:20px;font-family:Courier New,monospace;font-size:13px;line-height:1.6;overflow:auto}.login-page{background:#e8f4f8;justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:#fff;border-radius:8px;width:360px;padding:40px;box-shadow:0 2px 10px #0000001a}.login-card h1{text-align:center;color:#007cb0;margin-bottom:30px}.login-card .btn{width:100%;margin-top:10px;padding:12px}.dropdown{position:relative}.dropdown-menu{z-index:100;background:#fff;border:1px solid #e0e0e0;border-radius:4px;min-width:180px;display:none;position:absolute;top:100%;right:0;box-shadow:0 4px 12px #0000001a}.dropdown-menu.show{display:block}.dropdown-menu a{color:#333;cursor:pointer;padding:10px 16px;font-size:13px;text-decoration:none;display:block}.dropdown-menu a:hover{background:#e8f4f8}.dropdown-menu .divider{border-top:1px solid #e0e0e0;margin:4px 0}.subscription-cards{flex-wrap:wrap;gap:20px;display:flex}.sub-card{background:#fff;border:1px solid #e0e0e0;border-radius:8px;flex-direction:column;width:280px;padding:24px;display:flex}.sub-card.current{border-width:2px;border-color:#007cb0}.sub-card h3{color:#1a3a4a;margin-bottom:8px;font-size:18px}.sub-card .price{color:#007cb0;margin-bottom:4px;font-size:28px;font-weight:700}.sub-card .period{color:#999;margin-bottom:16px;font-size:13px}.sub-card ul{flex:1;margin-bottom:20px;list-style:none}.sub-card ul li{color:#555;padding:4px 0;font-size:13px}.sub-card ul li:before{content:"? ";color:#27ae60}.usage-bar{background:#e0e0e0;border-radius:3px;height:6px;margin:8px 0;overflow:hidden}.usage-bar-fill{border-radius:3px;height:100%}.usage-bar-fill.warn{background:#f39c12}.usage-bar-fill.danger{background:#e74c3c}.usage-bar-fill.ok{background:#007cb0}