:root{--bg: #0e1117;--bg-panel: #151a23;--bg-elevated: #1b2231;--bg-hover: #202a3c;--border: #263043;--border-strong: #33405a;--text: #e4e9f2;--text-muted: #8b95aa;--text-faint: #5d6678;--accent: #4f7cff;--accent-hover: #6b91ff;--accent-soft: rgba(79, 124, 255, .14);--success: #34d399;--success-soft: rgba(52, 211, 153, .14);--warning: #fbbf24;--warning-soft: rgba(251, 191, 36, .14);--danger: #f87171;--danger-soft: rgba(248, 113, 113, .14);--info: #38bdf8;--info-soft: rgba(56, 189, 248, .14);--radius: 10px;--radius-sm: 7px;--sidebar-width: 230px;--shadow: 0 8px 30px rgba(0, 0, 0, .35);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}.app-shell{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);flex-shrink:0;background:var(--bg-panel);border-right:1px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:20px 18px;font-size:16px;font-weight:700;letter-spacing:.3px;border-bottom:1px solid var(--border)}.sidebar-brand .logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#9d5cff);display:flex;align-items:center;justify-content:center;font-size:15px}.sidebar-nav{padding:12px 10px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}.nav-link{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);color:var(--text-muted);font-weight:500;transition:background .15s,color .15s}.nav-link:hover{background:var(--bg-hover);color:var(--text)}.nav-link.active{background:var(--accent-soft);color:var(--accent-hover)}.nav-link .nav-icon{width:18px;text-align:center}.main-area{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{height:58px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:var(--bg-panel);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}.topbar-title{font-size:15px;font-weight:600}.topbar-user{display:flex;align-items:center;gap:12px;color:var(--text-muted)}.topbar-user .avatar{width:30px;height:30px;border-radius:50%;background:var(--accent-soft);color:var(--accent-hover);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;text-transform:uppercase}.page{padding:24px;max-width:1280px;width:100%;margin:0 auto}.page-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}.page-title{margin:0;font-size:20px;font-weight:700}.page-subtitle{margin:4px 0 0;color:var(--text-muted);font-size:13px}.card{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px}.card+.card{margin-top:16px}.card-title{margin:0 0 14px;font-size:14px;font-weight:600}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:16px}.stat-card{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;display:flex;flex-direction:column;gap:6px}.stat-card .stat-label{color:var(--text-muted);font-size:12.5px;font-weight:500}.stat-card .stat-value{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums}.stat-card .stat-icon{align-self:flex-start;width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:16px;background:var(--accent-soft)}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-panel)}table.data-table{width:100%;border-collapse:collapse;font-size:13.5px}.data-table th{text-align:left;padding:11px 14px;color:var(--text-muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px;border-bottom:1px solid var(--border);white-space:nowrap}.data-table td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle}.data-table tbody tr:last-child td{border-bottom:none}.data-table tbody tr:hover{background:#ffffff04}.data-table .cell-mono{font-family:var(--mono);font-size:12.5px}.data-table .cell-muted{color:var(--text-muted)}.data-table .cell-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.table-empty{padding:36px 16px;text-align:center;color:var(--text-muted)}.badge{display:inline-flex;align-items:center;gap:5px;padding:2.5px 9px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}.badge-accent{background:var(--accent-soft);color:var(--accent-hover)}.badge-success{background:var(--success-soft);color:var(--success)}.badge-warning{background:var(--warning-soft);color:var(--warning)}.badge-danger{background:var(--danger-soft);color:var(--danger)}.badge-info{background:var(--info-soft);color:var(--info)}.badge-neutral{background:#8b95aa24;color:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid transparent;background:var(--accent);color:#fff;font-family:var(--font);font-size:13.5px;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s,color .15s,opacity .15s;white-space:nowrap}.btn:hover:not(:disabled){background:var(--accent-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--bg-elevated);border-color:var(--border-strong);color:var(--text)}.btn-secondary:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border-strong)}.btn-danger{background:transparent;border-color:var(--danger);color:var(--danger)}.btn-danger:hover:not(:disabled){background:var(--danger-soft)}.btn-ghost{background:transparent;color:var(--text-muted)}.btn-ghost:hover:not(:disabled){background:var(--bg-hover);color:var(--text)}.btn-sm{padding:4.5px 10px;font-size:12.5px}.input,.select,.textarea{width:100%;padding:8px 11px;background:var(--bg-elevated);border:1px solid var(--border-strong);border-radius:var(--radius-sm);color:var(--text);font-family:var(--font);font-size:13.5px;transition:border-color .15s,box-shadow .15s}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.input::placeholder,.textarea::placeholder{color:var(--text-muted);opacity:.7}.textarea{resize:vertical;min-height:70px;line-height:1.45}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238b95aa' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:28px;cursor:pointer}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field-label{font-size:12.5px;font-weight:600;color:var(--text-muted)}.field-hint{font-size:12px;color:var(--text-muted)}.form-error{background:var(--danger-soft);border:1px solid rgba(248,113,113,.35);color:var(--danger);border-radius:var(--radius-sm);padding:9px 12px;font-size:13px;margin-bottom:14px}.form-row{display:flex;gap:12px}.form-row>*{flex:1}.switch{position:relative;display:inline-block;width:38px;height:22px;flex-shrink:0}.switch input{opacity:0;width:0;height:0}.switch .slider{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--bg-hover);border:1px solid var(--border-strong);border-radius:999px;cursor:pointer;transition:background .15s,border-color .15s}.switch .slider:before{content:"";position:absolute;width:16px;height:16px;left:2px;top:2px;border-radius:50%;background:var(--text-muted);transition:transform .15s,background .15s}.switch input:checked+.slider{background:var(--accent);border-color:var(--accent)}.switch input:checked+.slider:before{transform:translate(16px);background:#fff}.switch input:disabled+.slider{opacity:.5;cursor:not-allowed}.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.toolbar .input,.toolbar .select{width:auto}.toolbar .search-input{width:260px}.tabs{display:inline-flex;gap:4px;padding:3px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm)}.tab{padding:6px 14px;border:none;border-radius:5px;background:transparent;color:var(--text-muted);font-family:var(--font);font-size:13px;font-weight:600;cursor:pointer;transition:background .15s,color .15s}.tab:hover{color:var(--text)}.tab.active{background:var(--accent);color:#fff}.pagination{display:flex;align-items:center;gap:10px;justify-content:flex-end;padding:12px 2px 0;flex-wrap:wrap}.pagination .page-indicator{font-variant-numeric:tabular-nums;color:var(--text-muted);font-size:13px;min-width:48px;text-align:center}.pagination .pager-btn{width:30px;height:30px;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--bg-elevated);color:var(--text);font-size:15px;cursor:pointer;transition:background .15s}.pagination .pager-btn:hover:not(:disabled){background:var(--bg-hover)}.pagination .pager-btn:disabled{opacity:.4;cursor:not-allowed}.pagination .select{width:auto;padding-top:5px;padding-bottom:5px}.pagination .total-label{color:var(--text-muted);font-size:12.5px;margin-right:auto}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#05080eb3;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal{background:var(--bg-panel);border:1px solid var(--border-strong);border-radius:var(--radius);box-shadow:var(--shadow);width:100%;max-width:520px;max-height:90vh;display:flex;flex-direction:column}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}.modal-title{margin:0;font-size:15px;font-weight:700}.modal-close{background:none;border:none;color:var(--text-muted);font-size:18px;cursor:pointer;padding:2px 6px;border-radius:6px}.modal-close:hover{background:var(--bg-hover);color:var(--text)}.modal-body{padding:18px 20px;overflow-y:auto}.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid var(--border)}.toast-host{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:10px;z-index:200;max-width:360px}.toast{display:flex;align-items:flex-start;gap:10px;padding:12px 15px;border-radius:var(--radius-sm);background:var(--bg-elevated);border:1px solid var(--border-strong);box-shadow:var(--shadow);font-size:13.5px;animation:toast-in .2s ease-out}.toast-success{border-left:3px solid var(--success)}.toast-error{border-left:3px solid var(--danger)}.toast-info{border-left:3px solid var(--info)}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:radial-gradient(1000px 500px at 50% -10%,rgba(79,124,255,.12),transparent),var(--bg)}.login-card{width:100%;max-width:380px;background:var(--bg-panel);border:1px solid var(--border);border-radius:14px;padding:32px 30px;box-shadow:var(--shadow)}.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}.login-brand .logo{width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,var(--accent),#9d5cff);display:flex;align-items:center;justify-content:center;font-size:20px}.login-brand h1{margin:0;font-size:18px}.login-brand p{margin:2px 0 0;color:var(--text-muted);font-size:12.5px}.loading-state{padding:40px;text-align:center;color:var(--text-muted)}.spinner{display:inline-block;width:18px;height:18px;border:2px solid var(--border-strong);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;vertical-align:middle}@keyframes spin{to{transform:rotate(360deg)}}.masked-value{font-family:var(--mono);font-size:12.5px;color:var(--text-muted);background:var(--bg-elevated);border:1px solid var(--border);border-radius:6px;padding:3px 8px}.two-col{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:16px;align-items:start}@media (max-width: 1100px){.two-col{grid-template-columns:1fr}}.truncate{max-width:320px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.setting-editor{display:flex;align-items:center;gap:8px}.setting-editor .input{min-width:200px}.progress-text{font-variant-numeric:tabular-nums;color:var(--text-muted);font-size:12.5px}.text-muted{color:var(--text-muted)}.row-click{cursor:pointer}.modal.modal-wide{max-width:760px}.timeline{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}.timeline-item{display:flex;gap:10px;align-items:flex-start}.timeline-icon{width:26px;height:26px;flex-shrink:0;border-radius:50%;background:var(--bg-elevated);border:1px solid var(--border-strong);display:flex;align-items:center;justify-content:center;font-size:12px}.timeline-content{flex:1;min-width:0}.timeline-meta{color:var(--text-muted);font-size:12px}.timeline-text{margin:2px 0 0;white-space:pre-wrap;word-break:break-word}.ticket-body-text{margin:0;padding:10px 12px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);white-space:pre-wrap;word-break:break-word}.device-status-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.metric{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;display:flex;flex-direction:column;gap:2px}.metric-label{color:var(--text-muted);font-size:12px;font-weight:500}.metric-value{font-size:18px;font-weight:700;font-variant-numeric:tabular-nums}