:root{--bg-base: #0b1120;--bg-surface: #121a2e;--bg-surface-raised: #182342;--border-subtle: #22304f;--border-strong: #2e3f66;--text-primary: #e7ebf5;--text-secondary: #a3aecb;--text-muted: #6b7794;--accent-live: #2dd4bf;--accent-live-dim: #134e4a;--accent-warn: #f0b429;--accent-warn-dim: #4d3a10;--accent-danger: #f2555a;--accent-danger-dim: #4a1d1f;--accent-action: #5b7cfa;--accent-action-hover: #4763d6;--radius-sm: 4px;--radius-md: 8px;--font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg-base);color:var(--text-primary);font-family:var(--font-ui);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--accent-action);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:14px}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid var(--accent-action);outline-offset:2px}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--bg-surface-raised);color:var(--text-primary);font-size:13px;font-weight:500;transition:background .12s ease,border-color .12s ease}.btn:hover{background:#1f2c50}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent-action);border-color:var(--accent-action);color:#fff}.btn-primary:hover{background:var(--accent-action-hover)}.btn-danger{background:transparent;border-color:var(--accent-danger);color:var(--accent-danger)}.btn-danger:hover{background:var(--accent-danger-dim)}.btn-sm{padding:5px 10px;font-size:12px}.card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md)}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-subtle)}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field label{font-size:12px;color:var(--text-secondary);font-weight:500}.field input,.field select{background:var(--bg-base);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:9px 11px;color:var(--text-primary)}.field input:focus,.field select:focus{border-color:var(--accent-action);outline:none}.field .hint{font-size:11px;color:var(--text-muted)}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.02em}.badge-dot{width:6px;height:6px;border-radius:50%}.badge-online{background:var(--accent-live-dim);color:var(--accent-live)}.badge-online .badge-dot{background:var(--accent-live);box-shadow:0 0 6px var(--accent-live)}.badge-offline{background:var(--accent-danger-dim);color:var(--accent-danger)}.badge-offline .badge-dot{background:var(--accent-danger)}.badge-auth_failed{background:var(--accent-warn-dim);color:var(--accent-warn)}.badge-auth_failed .badge-dot{background:var(--accent-warn)}.badge-unknown{background:#1c2740;color:var(--text-muted)}.badge-unknown .badge-dot{background:var(--text-muted)}table{width:100%;border-collapse:collapse}th{text-align:left;font-size:11px;font-weight:600;color:var(--text-muted);padding:10px 16px;border-bottom:1px solid var(--border-subtle)}td{padding:12px 16px;border-bottom:1px solid var(--border-subtle);font-size:13px}tr:last-child td{border-bottom:none}tr:hover td{background:#ffffff04}.camera-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;padding:20px}.camera-tile{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);overflow:hidden}.camera-tile-preview{position:relative;aspect-ratio:16 / 9;background:linear-gradient(160deg,#0a0f1c,#0d1424);display:flex;align-items:center;justify-content:center;overflow:hidden}.camera-tile-scanlines{position:absolute;top:0;right:0;bottom:0;left:0;background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.015) 0px,rgba(255,255,255,.015) 1px,transparent 1px,transparent 3px);pointer-events:none}.camera-tile-video{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;width:100%;height:100%;object-fit:cover;background:#000}.camera-tile-status-text{position:absolute;z-index:2;font-size:12px;color:var(--text-muted);background:#0a0f1cbf;padding:4px 10px;border-radius:20px}.camera-tile-error{color:var(--accent-danger);padding:6px 12px;text-align:center}.camera-tile-live-dot{position:absolute;top:10px;right:10px;width:8px;height:8px;border-radius:50%;z-index:1}.camera-tile-live-dot.is-live{background:var(--accent-live);box-shadow:0 0 8px var(--accent-live)}.camera-tile-live-dot.is-offline{background:var(--accent-danger)}.camera-tile-playback-btn{position:absolute;bottom:8px;right:8px;z-index:2;width:26px;height:26px;border-radius:50%;border:1px solid var(--border-strong);background:#0a0f1cbf;color:var(--text-secondary);display:flex;align-items:center;justify-content:center}.camera-tile-playback-btn:hover{color:var(--accent-live);border-color:var(--accent-live)}.camera-tile-play-btn{position:relative;z-index:2;width:48px;height:48px;border-radius:50%;border:2px solid rgba(255,255,255,.3);background:#0a0f1c99;color:#fff;display:flex;align-items:center;justify-content:center;transition:background .15s ease,border-color .15s ease}.camera-tile-play-btn:hover{background:#2dd4bf40;border-color:var(--accent-live)}.camera-tile-footer{padding:10px 14px}.camera-tile-name{font-size:13px;font-weight:500;color:var(--text-primary)}.camera-tile-device{font-size:11px;color:var(--text-muted);margin-top:2px}.app-shell{display:flex;height:100vh}.app-sidebar{width:220px;flex-shrink:0;background:var(--bg-surface);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column}.app-sidebar-brand{padding:20px;font-size:18px;font-weight:700;letter-spacing:.01em;border-bottom:1px solid var(--border-subtle);display:flex;align-items:baseline;gap:8px}.app-sidebar-brand{align-items:center;cursor:pointer;color:var(--accent-action)}.app-sidebar-brand:hover{text-decoration:none;opacity:.88}.app-sidebar-brand-logo{width:22px;height:22px;flex-shrink:0}.app-sidebar-brand-vms{font-size:15px;color:var(--accent-live);font-weight:500}.app-sidebar-nav{flex:1;padding:12px 0;display:flex;flex-direction:column;gap:2px}.app-sidebar-link{display:flex;align-items:center;gap:10px;padding:10px 20px;color:var(--text-secondary);font-size:13px;font-weight:500;border-left:2px solid transparent}.app-sidebar-link:hover{color:var(--text-primary);text-decoration:none;background:#ffffff05}.app-sidebar-link.active{color:var(--text-primary);border-left-color:var(--accent-action);background:#5b7cfa14}.app-sidebar-footer{padding:16px 20px;border-top:1px solid var(--border-subtle)}.app-sidebar-user{font-size:12px;color:var(--text-secondary);margin-bottom:8px}.app-sidebar-user-role{display:block;color:var(--text-muted);font-size:11px;text-transform:capitalize}.app-main{flex:1;overflow-y:auto;display:flex;flex-direction:column}.app-topbar{height:56px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:0 24px;border-bottom:1px solid var(--border-subtle)}.app-topbar-title{font-size:15px;font-weight:600}.app-content{flex:1;padding:24px}.login-page{height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at top,#101b33 0%,var(--bg-base) 60%)}.login-card{width:380px;padding:32px}.login-brand{text-align:center;margin-bottom:28px;display:flex;flex-direction:column;align-items:center}.login-brand-icon{width:56px;height:56px;margin-bottom:12px}.login-brand-name{font-size:24px;font-weight:700;color:var(--accent-action)}.login-brand-vms{font-size:22px;color:var(--accent-live)}.login-brand-tagline{font-size:12px;color:var(--text-muted);margin-top:4px}.login-error{background:var(--accent-danger-dim);color:var(--accent-danger);padding:10px 12px;border-radius:var(--radius-sm);font-size:12px;margin-bottom:16px}.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted);font-size:13px}.section-title{font-size:13px;font-weight:600;color:var(--text-secondary);margin:24px 0 12px;text-transform:uppercase;letter-spacing:.04em}.checkbox-row{display:flex;align-items:center;gap:8px;padding:6px 0;font-size:13px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#050810b3;display:flex;align-items:center;justify-content:center;z-index:100}.modal-box{width:480px;max-height:85vh;overflow-y:auto;padding:24px}.modal-title{font-size:16px;font-weight:600;margin-bottom:18px}.text-muted{color:var(--text-muted)}.text-danger{color:var(--accent-danger)}.text-live{color:var(--accent-live)}.flex-between{display:flex;align-items:center;justify-content:space-between}.gap-8{display:flex;gap:8px}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:6px}.camera-expanded-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#050810d9;display:flex;align-items:center;justify-content:center;z-index:200}.camera-expanded-box{width:90vw;max-width:1100px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:8px;overflow:hidden}.camera-expanded-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border-subtle)}.camera-expanded-name{font-size:15px;font-weight:600}.camera-expanded-device{font-size:12px;color:var(--text-muted);margin-top:2px}.camera-expanded-video-wrap{position:relative;aspect-ratio:16 / 9;background:#000;display:flex;align-items:center;justify-content:center}.camera-expanded-video{width:100%;height:100%}.dashboard-stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:16px}.stat-card{padding:18px 20px}.stat-card-value{font-size:30px;font-weight:700;line-height:1.1}.stat-card-label{font-size:12px;color:var(--text-muted);margin-top:6px}.device-site-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;padding:20px}.device-site-card{padding:18px;cursor:pointer;transition:border-color .15s ease}.device-site-card:hover{border-color:var(--accent-action)}.grid-size-picker{display:flex;gap:16px;flex-wrap:wrap}.grid-size-option{padding:16px;width:140px;cursor:pointer;text-align:center;color:var(--text-primary);transition:border-color .15s ease}.grid-size-option:hover{border-color:var(--accent-action)}.grid-size-preview{display:grid;gap:3px;height:70px}.grid-size-preview-cell{background:var(--border-strong);border-radius:2px}.site-viewer-layout{display:flex;height:calc(100vh - 56px);overflow:hidden}.site-viewer-sidebar{width:220px;flex-shrink:0;border-right:1px solid var(--border-subtle);padding:16px;overflow-y:auto}.site-viewer-camera-chip{padding:7px 10px;margin-bottom:4px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:4px;font-size:12px;cursor:grab}.site-viewer-camera-chip:active{cursor:grabbing}.site-viewer-grid{flex:1;display:grid;gap:6px;padding:6px;overflow:auto}.site-viewer-pane{position:relative;aspect-ratio:16 / 9;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:4px;overflow:hidden}.site-viewer-pane.is-drag-over{border-color:var(--accent-action);background:#5b7cfa14}.site-viewer-pane-content{position:relative;width:100%;height:100%}.site-viewer-pane-content .camera-tile{width:100%;height:100%}.site-viewer-pane-content .camera-tile-footer{display:none}.site-viewer-pane-clear{position:absolute;top:4px;left:4px;z-index:3;width:20px;height:20px;border-radius:50%;border:none;background:#0a0f1cbf;color:var(--text-secondary);font-size:11px;line-height:1}.site-viewer-pane-clear:hover{color:var(--accent-danger)}.site-viewer-pane-empty{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:12px;border:1px dashed var(--border-strong)}.site-status-bar{display:flex;flex-wrap:wrap;gap:20px}.site-status-chip{display:flex;align-items:center;gap:8px}.site-status-chip-label{font-size:13px;font-weight:500}.site-sidebar-header{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:4px;font-size:13px;font-weight:600;cursor:grab}.site-sidebar-header:active{cursor:grabbing}.camera-tile-stop-btn{position:absolute;top:8px;left:8px;z-index:3;width:22px;height:22px;border-radius:50%;border:1px solid var(--border-strong);background:#0a0f1cbf;color:var(--text-secondary);display:flex;align-items:center;justify-content:center}.camera-tile-stop-btn:hover{color:var(--accent-danger);border-color:var(--accent-danger)}.nav-sites-sublist{padding:4px 12px 10px 32px;max-height:280px;overflow-y:auto}.nav-site-item{display:flex;align-items:center;padding:6px;font-size:12px;color:var(--text-secondary);cursor:grab;border-radius:4px}.nav-site-item:hover{background:#ffffff08;color:var(--text-primary)}.nav-site-item:active{cursor:grabbing}.nav-site-cameras{margin-left:14px;margin-bottom:4px}.nav-camera-item{padding:4px 8px;font-size:11px;color:var(--text-muted);cursor:grab;border-radius:3px}.nav-camera-item:hover{background:#ffffff08;color:var(--text-secondary)}.nav-sites-empty{font-size:11px;color:var(--text-muted);padding:4px 6px}.devices-page-body{display:flex;flex-direction:column;height:calc(100vh - 56px);padding:16px 20px;box-sizing:border-box}.devices-grid-size-row{flex-shrink:0;margin-bottom:12px}.site-viewer-grid-fill{flex:1;display:grid;gap:6px;min-height:0}.site-viewer-pane-fill{position:relative;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:4px;overflow:hidden;min-height:0;min-width:0}.site-viewer-pane-fill.is-drag-over{border-color:var(--accent-action);background:#5b7cfa14}.site-viewer-pane-fill .site-viewer-pane-content,.site-viewer-pane-fill .camera-tile{position:relative;width:100%;height:100%}.site-viewer-pane-fill .camera-tile-preview{position:absolute;top:0;right:0;bottom:0;left:0;aspect-ratio:unset}.site-viewer-pane-fill .camera-tile-footer{display:none}.grid-size-select{background:var(--bg-surface-raised);border:1px solid var(--border-strong);border-radius:var(--radius-sm);color:var(--text-primary);padding:6px 10px;font-size:13px}.notification-bell-wrap{position:relative}.notification-bell-btn{position:relative;width:34px;height:34px;border-radius:50%;border:1px solid var(--border-strong);background:var(--bg-surface-raised);color:var(--text-secondary);display:flex;align-items:center;justify-content:center}.notification-bell-btn:hover{color:var(--text-primary)}.notification-bell-dot{position:absolute;top:6px;right:6px;width:8px;height:8px;border-radius:50%;background:var(--accent-danger);box-shadow:0 0 0 2px var(--bg-surface-raised)}.notification-dropdown{position:absolute;top:calc(100% + 8px);right:0;width:320px;max-height:400px;overflow-y:auto;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:8px;box-shadow:0 8px 24px #0006;z-index:50}.notification-dropdown-header{padding:12px 14px;font-size:12px;font-weight:600;color:var(--text-secondary);border-bottom:1px solid var(--border-subtle);text-transform:uppercase;letter-spacing:.04em;display:flex;align-items:center;justify-content:space-between}.notification-clear-btn{font-size:11px;font-weight:500;color:var(--text-muted);text-transform:none;letter-spacing:normal}.notification-clear-btn:hover{color:var(--accent-action)}.notification-dropdown-empty{padding:16px 14px;font-size:12px;color:var(--text-muted)}.notification-dropdown-row{padding:10px 14px;border-bottom:1px solid var(--border-subtle)}.notification-dropdown-row:last-child{border-bottom:none}.dashboard-page-body{display:flex;flex-direction:column;min-height:calc(100vh - 104px)}.downtime-card{flex:1;display:flex;flex-direction:column;min-height:220px}.downtime-chart-wrap{display:flex;flex-direction:column;flex:1;min-height:0}.downtime-chart{display:flex;gap:12px;flex:1;min-height:0}.downtime-chart-col{flex:1;display:flex;flex-direction:column;align-items:center;min-width:0;min-height:0}.downtime-chart-track{position:relative;width:100%;flex:1;min-height:60px;display:flex;align-items:flex-end;justify-content:center}.downtime-chart-bar{width:60%;max-width:36px;border-radius:4px 4px 0 0}.downtime-chart-count{position:absolute;top:-20px;font-size:12px;font-weight:600;color:var(--text-secondary)}.downtime-chart-weekday{font-size:12px;margin-top:10px}.downtime-chart-date{font-size:10px;color:var(--text-muted);margin-top:2px}[data-theme=light]{--bg-base: #f5f7fb;--bg-surface: #ffffff;--bg-surface-raised: #eef1f8;--border-subtle: #e1e6f0;--border-strong: #c7cee0;--text-primary: #16213e;--text-secondary: #4a5578;--text-muted: #8891ab;--accent-live: #0d9488;--accent-live-dim: #d1fae5;--accent-warn: #b45309;--accent-warn-dim: #fef3c7;--accent-danger: #dc2626;--accent-danger-dim: #fee2e2;--accent-action: #4f63d2;--accent-action-hover: #3b4ec2}[data-theme=light] .login-page{background:radial-gradient(ellipse at top,#e9edf8 0%,var(--bg-base) 60%)}[data-theme=light] ::-webkit-scrollbar-thumb{background:var(--border-strong)}.theme-toggle-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0}.theme-toggle-switch{position:relative;width:44px;height:24px;border-radius:12px;border:1px solid var(--border-strong);background:var(--bg-base);flex-shrink:0}.theme-toggle-switch-knob{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:var(--accent-action);transition:transform .15s ease}[data-theme=light] .theme-toggle-switch-knob{transform:translate(20px)}.app-sidebar-sub-nav{display:flex;flex-direction:column;padding:4px 0 8px 32px}.app-sidebar-sublink{color:var(--text-muted);font-size:13px;padding:6px 8px;border-radius:4px;text-decoration:none}.app-sidebar-sublink:hover{color:var(--text-primary);text-decoration:none}.app-sidebar-sublink.active{color:var(--accent-action);font-weight:500}.section-title[id]{scroll-margin-top:24px}.alerts-day-header{width:100%;display:flex;align-items:center;gap:10px;padding:12px 16px;background:none;border:none;text-align:left;cursor:pointer;color:var(--text-primary);font-size:13px}.alerts-day-header:hover{background:var(--bg-surface-raised)}.alerts-day-chevron{display:inline-block;color:var(--text-muted);transition:transform .15s ease;font-size:11px}.alerts-day-chevron.open{transform:rotate(90deg)}.site-status-chip-wrap{display:inline-flex;flex-direction:column;gap:4px;margin-right:16px}.site-status-down-cameras{display:flex;flex-wrap:wrap;gap:6px;padding-left:4px}.site-status-down-camera{font-size:11px;color:var(--accent-danger);background:var(--accent-danger-dim);padding:2px 8px;border-radius:10px}.dashboard-cams-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}