body,html{margin:0;padding:0;font-family:Helvetica Neue,Arial,sans-serif}.app-container{min-height:100vh;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);display:flex;justify-content:center;align-items:center}.glass-card{background:rgba(255,255,255,.85);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:20px;box-shadow:0 10px 30px #0003;border:1px solid rgba(255,255,255,.3)}.login-box{width:340px;padding:40px;text-align:center}.brand{color:#4a5568;margin-bottom:30px}.brand span{color:#667eea}.input-group{text-align:left;margin-bottom:20px}.input-group label{font-size:13px;font-weight:700;color:#4a5568;display:block;margin-bottom:6px}.input-group input{width:100%;padding:12px;border-radius:10px;border:1px solid #e2e8f0;box-sizing:border-box}.dashboard{width:850px;padding:30px}.db-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #edf2f7;padding-bottom:20px;margin-bottom:20px}.node-info{display:flex;align-items:center;gap:10px;font-weight:700}.status-dot{width:10px;height:10px;border-radius:50%}.online{background:#48bb78;box-shadow:0 0 8px #48bb78}.offline{background:#a0aec0}.main-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:30px}.card h3{margin-top:0;font-size:18px;color:#2d3748}.field input{width:100%;padding:10px;border-radius:8px;border:1px solid #e2e8f0;margin:10px 0}.btn-primary,.btn-toggle{width:100%;padding:14px;border:none;border-radius:12px;color:#fff;font-weight:700;cursor:pointer;transition:.3s}.btn-primary{background:#667eea}.btn-success{background:#48bb78}.btn-danger{background:#f56565}.btn-toggle:disabled{opacity:.5;cursor:not-allowed}.ip-list{height:260px;overflow-y:auto;background:rgba(0,0,0,.03);border-radius:10px;padding:10px}.ip-item{display:flex;justify-content:space-between;padding:10px;background:#fff;margin-bottom:8px;border-radius:8px;font-size:14px}.del{color:#f56565;cursor:pointer;font-weight:700;font-size:18px}.add-bar{display:flex;gap:10px;margin-bottom:15px}.add-bar input{flex:1;padding:10px;border-radius:8px;border:1px solid #e2e8f0}.add-bar button{width:45px;background:#667eea;color:#fff;border:none;border-radius:8px;font-size:20px;cursor:pointer}.btn-exit{background:none;border:1px solid #e2e8f0;padding:5px 15px;border-radius:8px;cursor:pointer}