*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #1976d2;--primary-dark: #1565c0;--primary-light: #bbdefb;--accent: #ff5722;--success: #4caf50;--warning: #ff9800;--error: #f44336;--background: #f5f5f5;--surface: #ffffff;--text: #212121;--text-secondary: #757575;--border: #e0e0e0;--shadow: 0 2px 4px rgba(0,0,0,.1)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--background);color:var(--text);line-height:1.5}.app-layout{display:flex;min-height:100vh}.sidebar{width:250px;background:var(--surface);border-right:1px solid var(--border);padding:20px 0;position:fixed;height:100vh;overflow-y:auto}.main-content{flex:1;margin-left:250px;padding:24px}.nav-header{padding:0 20px 20px;border-bottom:1px solid var(--border);margin-bottom:20px}.nav-header h1{font-size:20px;color:var(--primary)}.nav-links{list-style:none}.nav-links a{display:flex;align-items:center;padding:12px 20px;color:var(--text);text-decoration:none;transition:background .2s}.nav-links a:hover{background:var(--primary-light)}.nav-links a.router-link-active{background:var(--primary);color:#fff}.nav-links svg{width:20px;height:20px;margin-right:12px}.card{background:var(--surface);border-radius:8px;box-shadow:var(--shadow);padding:20px;margin-bottom:20px}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.card-title{font-size:18px;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--surface);border-radius:8px;padding:20px;box-shadow:var(--shadow)}.stat-value{font-size:32px;font-weight:700;color:var(--primary)}.stat-label{font-size:14px;color:var(--text-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--border);color:var(--text)}.btn-danger{background:var(--error);color:#fff}.btn-sm{padding:6px 12px;font-size:12px}.form-group{margin-bottom:16px}.form-label{display:block;font-size:14px;font-weight:500;margin-bottom:6px}.form-input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;transition:border-color .2s}.form-input:focus{outline:none;border-color:var(--primary)}textarea.form-input{min-height:100px;resize:vertical}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:12px;text-align:left;border-bottom:1px solid var(--border)}th{font-weight:600;color:var(--text-secondary);font-size:12px;text-transform:uppercase}tr:hover{background:var(--background)}.badge{display:inline-block;padding:4px 8px;border-radius:4px;font-size:12px;font-weight:500}.badge-success{background:#e8f5e9;color:var(--success)}.badge-warning{background:#fff3e0;color:var(--warning)}.badge-error{background:#ffebee;color:var(--error)}.badge-info{background:#e3f2fd;color:var(--primary)}.status-online{color:var(--success)}.status-offline{color:var(--text-secondary)}.loading{display:flex;align-items:center;justify-content:center;padding:40px}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:40px;color:var(--text-secondary)}.pagination{display:flex;justify-content:center;gap:8px;margin-top:20px}.pagination button{padding:8px 12px;border:1px solid var(--border);background:var(--surface);border-radius:4px;cursor:pointer}.pagination button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--surface);border-radius:8px;padding:24px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-title{font-size:20px;font-weight:600}.modal-close{background:none;border:none;font-size:24px;cursor:pointer;color:var(--text-secondary)}.modal-footer{display:flex;justify-content:flex-end;gap:12px;margin-top:20px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%)}.login-card{background:var(--surface);padding:40px;border-radius:12px;width:100%;max-width:400px;box-shadow:0 4px 20px #0003}.login-title{font-size:24px;text-align:center;margin-bottom:8px}.login-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:32px}@media (max-width: 768px){.sidebar{display:none}.main-content{margin-left:0}.stats-grid{grid-template-columns:1fr}}