.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center}.bar-fill{width:100%;max-width:60px;position:relative;transition:all .3s ease}.bar-fill:hover{transform:translateY(-3px)}.bar-val{position:absolute;top:-22px;left:50%;transform:translate(-50%);font-size:12px;font-weight:600;color:#64748b}.bar-label{margin-top:10px;font-size:13px;font-weight:600;color:#94a3b8}:root{--primary: #2D5BFF;--primary-light: #EEF2FF;--primary-dark: #1E3A8A;--secondary: #FF6B35;--secondary-light: #FFF4F0;--success: #06D6A0;--success-light: #E8FBF5;--warning: #FFD23F;--warning-light: #FFFBEA;--danger: #EF476F;--danger-light: #FFF0F3;--bg: #FAFBFC;--surface: #FFFFFF;--border: #E8ECEF;--border-light: #F3F5F7;--text: #1A2332;--text-secondary: #6B7A90;--text-muted: #9BA8B8;--shadow-sm: 0 1px 2px rgba(26, 35, 50, .04);--shadow-md: 0 4px 12px rgba(26, 35, 50, .08);--shadow-lg: 0 12px 32px rgba(26, 35, 50, .12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--font-sans: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "IBM Plex Mono", "SF Mono", monospace;--space-xs: 6px;--space-sm: 12px;--space-md: 20px;--space-lg: 32px;--space-xl: 48px;--space-2xl: 64px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}*{-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}a{text-decoration:none}.app{display:flex;min-height:100vh;overflow-x:hidden;width:100%}.sidebar{width:260px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;left:0;top:0;bottom:0;z-index:100;transition:transform .3s cubic-bezier(.4,0,.2,1)}.sidebar.collapsed{transform:translate(-100%)}.sidebar-logo{padding:var(--space-lg) var(--space-md);border-bottom:1px solid var(--border-light);flex-shrink:0}.logo-mark{display:flex;align-items:center;gap:var(--space-sm)}.logo-icon{width:40px;height:40px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center}.logo-text{font-size:18px;font-weight:700;letter-spacing:-.5px;color:var(--text)}.logo-sub{font-size:11px;color:var(--text-muted);letter-spacing:.5px;text-transform:uppercase;margin-top:2px;font-weight:500}.nav{padding:var(--space-md);flex:1;overflow-y:auto}.nav-section{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text);letter-spacing:1px;text-transform:uppercase;padding:16px 12px 8px;margin-top:20px;margin-bottom:8px;font-weight:700}.nav-section:first-of-type{margin-top:12px}.nav-section .section-icon{font-size:18px;color:var(--text);font-weight:600}.nav-item{display:flex;align-items:center;gap:var(--space-sm);padding:10px var(--space-sm);border-radius:var(--radius-sm);cursor:pointer;color:var(--text-secondary);font-size:14px;font-weight:500;transition:all .2s ease;margin-bottom:4px}.nav-item:hover{background:var(--primary-light);color:var(--primary)}.nav-item.active{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}.nav-item .icon{width:20px;text-align:center;font-size:20px}.nav-item .badge{margin-left:auto;background:var(--danger);color:#fff;font-size:11px;font-weight:600;padding:2px 8px;border-radius:12px;min-width:20px;text-align:center}.sidebar-footer{padding:var(--space-md);border-top:1px solid var(--border-light);font-size:12px;color:var(--text-secondary);margin-top:auto;flex-shrink:0}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--success);margin-right:var(--space-xs);animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.main{flex:1;overflow-y:auto;padding:var(--space-xl) var(--space-lg);max-width:1600px;margin-left:260px;min-height:100vh;transition:margin-left .3s cubic-bezier(.4,0,.2,1)}.main.expanded{margin-left:0}.top-navbar{display:flex;align-items:center;gap:var(--space-md);margin-bottom:var(--space-md);padding-bottom:0;border-bottom:none}.top-navbar-title{font-weight:600;font-size:16px;color:var(--text-secondary);display:none}#sidebar-toggle{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 12px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}#sidebar-toggle:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}.sidebar-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:90;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);opacity:0;transition:opacity .3s ease}.sidebar-overlay.show{display:block;opacity:1}@media(max-width:992px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main{margin-left:0!important;width:100%;padding:var(--space-md)}.three-col{grid-template-columns:1fr}}@media(max-width:768px){.page-header{flex-direction:column;gap:var(--space-md)}.header-actions{width:100%;flex-wrap:wrap}.att-table td,.att-table th{padding:var(--space-sm);font-size:13px}}@media(min-width:993px){.mobile-only-btn{display:none!important}}.page-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:var(--space-xl)}.page-title{font-size:32px;font-weight:700;letter-spacing:-.8px;color:var(--text);line-height:1.2}.page-sub{color:var(--text-secondary);font-size:15px;margin-top:var(--space-xs)}.header-actions{display:flex;gap:var(--space-sm);align-items:center}.btn{padding:10px 20px;border-radius:var(--radius-sm);font-size:14px;font-family:var(--font-sans);font-weight:600;cursor:pointer;border:none;transition:all .2s ease;display:inline-flex;align-items:center;gap:6px}.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--primary-dark);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1.5px solid var(--border)}.btn-ghost:hover{background:var(--surface);border-color:var(--text-secondary);color:var(--text)}.btn-danger{background:var(--danger-light);color:var(--danger);border:1.5px solid transparent}.btn-danger:hover{background:var(--danger);color:#fff}.btn-sm{padding:7px 14px;font-size:13px}.filter-btn{background:transparent;color:var(--text-secondary);border:1.5px solid var(--border);padding:7px 14px;font-size:13px;border-radius:var(--radius-sm);cursor:pointer;font-weight:500;transition:all .2s ease}.filter-btn:hover{background:var(--surface);border-color:var(--text-secondary);color:var(--text)}.filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.stats-grid{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:auto auto;gap:var(--space-md);margin-bottom:var(--space-xl)}.stat-card:first-child{grid-row:span 2;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;padding:var(--space-lg)}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-md);transition:all .3s ease;position:relative;overflow:hidden}.stat-card:not(:first-child):hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-card:first-child .stat-label{color:#fffc;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:1px;margin-bottom:var(--space-sm)}.stat-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.8px;font-weight:600;margin-bottom:var(--space-xs)}.stat-card:first-child .stat-value{font-size:56px;font-weight:800;margin:var(--space-md) 0;font-family:var(--font-mono);letter-spacing:-2px;color:#fff}.stat-value{font-size:36px;font-weight:700;margin:var(--space-sm) 0;font-family:var(--font-mono);letter-spacing:-1px;color:var(--text)}.stat-card:first-child .stat-delta{color:#ffffffe6;font-size:15px}.stat-delta{font-size:13px;color:var(--text-secondary);font-weight:500}.stat-delta .up{color:var(--success);font-weight:600}.stat-delta .down{color:var(--danger);font-weight:600}.stat-card:first-child .stat-icon{position:absolute;right:var(--space-lg);bottom:var(--space-lg);font-size:80px;opacity:.15;color:#fff}.stat-icon{position:absolute;right:var(--space-md);top:var(--space-md);font-size:32px;opacity:.2;color:var(--primary)}.three-col{display:grid;grid-template-columns:1.8fr 1fr;gap:var(--space-md)}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-sm);margin-bottom:28px;overflow-x:auto}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-md);padding-bottom:var(--space-sm);border-bottom:2px solid var(--border-light)}.section-title{font-size:18px;font-weight:700;color:var(--text);letter-spacing:-.3px}.section-sub{font-size:13px;color:var(--text-muted);margin-top:2px}.att-table{width:100%;border-collapse:separate;border-spacing:0}.att-table th{text-align:left;font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.8px;font-weight:700;padding:var(--space-sm);border-bottom:2px solid var(--border-light)}.att-table td{padding:var(--space-md) var(--space-sm);border-bottom:1px solid var(--border-light);font-size:14px}.att-table tr:last-child td{border-bottom:none}.att-table tbody tr{transition:background .15s ease}.att-table tbody tr:hover{background:var(--primary-light)}.avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0;border:2px solid var(--surface);box-shadow:var(--shadow-sm)}.mahasiswa-cell{display:flex;align-items:center;gap:var(--space-sm)}.mhs-name{font-weight:600;font-size:14px;color:var(--text)}.mhs-dept{font-size:12px;color:var(--text-muted);margin-top:2px}.badge{padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;display:inline-block}.badge-green{background:var(--success-light);color:var(--success)}.badge-yellow{background:var(--warning-light);color:#d4a017}.badge-red{background:var(--danger-light);color:var(--danger)}.badge-blue{background:var(--primary-light);color:var(--primary)}.badge-gray{background:var(--border-light);color:var(--text-secondary)}.badge-orange{background:#fff4f0;color:#e05a00}.badge-warning{background:var(--warning-light);color:#d4a017;font-size:11px;padding:2px 8px}.btn-danger{background:var(--danger);color:#fff;border:none}.btn-danger:hover{background:#c73059}textarea.form-input{resize:vertical;min-height:80px;font-family:var(--font-sans)}.time-val{font-family:var(--font-mono);font-size:13px;color:var(--primary);font-weight:500}.time-dash{font-family:var(--font-mono);font-size:13px;color:var(--text-muted)}.camera-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-md)}.camera-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all .3s ease}.camera-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary)}.camera-feed{aspect-ratio:16/9;background:linear-gradient(135deg,#f5f7fa,#e8ecef);position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}.camera-feed video,.camera-feed canvas,.camera-feed img{width:100%;height:100%;object-fit:cover}.feed-placeholder{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);gap:var(--space-sm);padding:var(--space-md);text-align:center}.feed-icon{font-size:48px;opacity:.3;color:var(--text-muted)}.feed-text{font-size:14px;font-weight:600;color:var(--text-secondary)}.feed-rtsp{font-family:var(--font-mono);font-size:11px;color:var(--text-muted);word-break:break-all}.camera-name-bar{padding:var(--space-md);display:flex;align-items:center;justify-content:space-between;background:var(--surface)}.cam-name{font-size:14px;font-weight:600;color:var(--text)}.cam-online{color:var(--success);font-weight:600}.cam-offline{color:var(--text-muted)}.cam-fps{font-size:11px;color:var(--text-muted);font-family:var(--font-mono)}.trend-chart{height:140px;position:relative}.bar-chart{display:flex;align-items:flex-end;gap:var(--space-xs);height:100%;padding-top:var(--space-md)}.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:var(--space-xs);height:100%}.bar-fill{flex:1;width:100%;background:var(--primary);border-radius:var(--radius-sm) var(--radius-sm) 0 0;opacity:.7;transition:all .2s ease;min-height:8px;position:relative}.bar-fill:hover{opacity:1;background:var(--secondary);cursor:pointer}.bar-label{font-size:11px;color:var(--text-muted);font-weight:600}.bar-val{font-size:11px;color:var(--primary);font-family:var(--font-mono);font-weight:600;position:absolute;top:-18px;left:50%;transform:translate(-50%)}.dept-item{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) 0;border-bottom:1px solid var(--border-light)}.dept-item:last-child{border-bottom:none}.dept-bar-wrap{flex:1;height:8px;background:var(--border-light);border-radius:20px;overflow:hidden}.dept-bar-fill{height:100%;border-radius:20px;transition:width .5s ease}.dept-name{font-size:13px;font-weight:600;min-width:100px;color:var(--text)}.dept-count{font-size:13px;color:var(--text-secondary);font-family:var(--font-mono);font-weight:600;min-width:30px;text-align:right}.modal-backdrop{display:none;position:fixed;inset:0;z-index:100;background:#1a233299;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);align-items:center;justify-content:center}.modal-backdrop.show{display:flex}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:var(--space-xl);width:480px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.modal-title{font-size:24px;font-weight:700;margin-bottom:var(--space-lg);color:var(--text);letter-spacing:-.5px}.form-row{margin-bottom:var(--space-md)}.form-label{font-size:13px;color:var(--text-secondary);margin-bottom:var(--space-xs);display:block;font-weight:600}.form-input{width:100%;padding:10px var(--space-sm);background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:14px;font-family:var(--font-sans);outline:none;transition:all .2s ease}.form-input:focus{border-color:var(--primary);background:var(--surface);box-shadow:0 0 0 3px var(--primary-light)}.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-sm)}.modal-actions{display:flex;gap:var(--space-sm);justify-content:flex-end;margin-top:var(--space-lg)}.qr-result{display:none;text-align:center;padding:var(--space-md) 0}.qr-result.show{display:block}.qr-img{border-radius:var(--radius-md);border:3px solid var(--border);box-shadow:var(--shadow-md)}.qr-code-label{font-family:var(--font-mono);font-size:12px;color:var(--text-muted);margin-top:var(--space-sm);font-weight:600}#toast{position:fixed;bottom:var(--space-lg);right:var(--space-lg);z-index:999;background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--success);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg);max-width:360px;box-shadow:var(--shadow-lg);transform:translateY(100px);opacity:0;transition:all .3s cubic-bezier(.17,.67,.42,1.2);pointer-events:none}#toast.show{transform:translateY(0);opacity:1;pointer-events:all}#toast.error{border-left-color:var(--danger)}.toast-title{font-size:14px;font-weight:700;color:var(--text)}.toast-msg{font-size:13px;color:var(--text-secondary);margin-top:4px}.material-symbols-outlined{font-variation-settings:"FILL" 0,"wght" 400,"GRAD" 0,"opsz" 24}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:20px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.spinner{width:48px;height:48px;border:4px solid var(--border-light);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.skeleton-loader{padding:32px 40px;max-width:960px}.skeleton-line{height:14px;background:linear-gradient(90deg,var(--border-light) 25%,var(--bg) 50%,var(--border-light) 75%);background-size:200% 100%;animation:skeleton-pulse 1.4s ease infinite;border-radius:6px;margin-bottom:14px}.skeleton-line.title{width:40%;height:28px;margin-bottom:8px}.skeleton-line.subtitle{width:30%;height:14px;margin-bottom:28px}.skeleton-line.filter{width:55%;height:38px;margin-bottom:24px;border-radius:8px}.skeleton-table{border-radius:12px;overflow:hidden;background:var(--surface);border:1px solid var(--border)}.skeleton-row{display:flex;gap:16px;padding:16px;border-bottom:1px solid var(--border-light)}.skeleton-row:last-child{border-bottom:none}.skeleton-cell{height:14px;background:linear-gradient(90deg,var(--border-light) 25%,var(--bg) 50%,var(--border-light) 75%);background-size:200% 100%;animation:skeleton-pulse 1.4s ease infinite;border-radius:4px}.skeleton-cell:nth-child(1){width:4%}.skeleton-cell:nth-child(2){width:24%}.skeleton-cell:nth-child(3){width:8%}.skeleton-cell:nth-child(4){width:10%}.skeleton-cell:nth-child(5){width:10%}.skeleton-cell:nth-child(6){width:10%}.skeleton-cell:nth-child(7){width:8%}.skeleton-cell:nth-child(8){width:18%}@keyframes skeleton-pulse{0%{background-position:200% 0}to{background-position:-200% 0}}.nav-loading .nav-item,.nav-loading .nav-section{display:none!important}.nav-loading #sidebar-skeleton{display:block}#sidebar-skeleton{display:none;padding:4px 0}.skeleton-nav-section{height:11px;width:35%;margin:18px 16px 10px;background:linear-gradient(90deg,var(--border-light) 25%,var(--bg) 50%,var(--border-light) 75%);background-size:200% 100%;animation:skeleton-pulse 1.4s ease infinite;border-radius:4px;text-transform:uppercase}.skeleton-nav-item{display:flex;align-items:center;gap:12px;padding:10px 16px;margin:2px 0}.skeleton-nav-icon{width:20px;height:20px;border-radius:6px;background:linear-gradient(90deg,var(--border-light) 25%,var(--bg) 50%,var(--border-light) 75%);background-size:200% 100%;animation:skeleton-pulse 1.4s ease infinite;flex-shrink:0}.skeleton-nav-text{height:13px;width:55%;background:linear-gradient(90deg,var(--border-light) 25%,var(--bg) 50%,var(--border-light) 75%);background-size:200% 100%;animation:skeleton-pulse 1.4s ease infinite;border-radius:4px}@media(max-width:1200px){.stats-grid{grid-template-columns:1fr 1fr}.stat-card:first-child{grid-column:span 2;grid-row:span 1}.three-col,.camera-grid{grid-template-columns:1fr}}@media(max-width:768px){.sidebar{width:220px}.main{margin-left:220px;padding:var(--space-md)}.stats-grid{grid-template-columns:1fr}.stat-card:first-child{grid-column:span 1}}.video-preview-container{position:relative;background:#000;border-radius:var(--radius-md);overflow:hidden;display:flex;justify-content:center;align-items:center;max-height:600px}#preview-video-player{display:block;max-width:100%;max-height:600px;width:auto;height:auto;background:#000}#preview-canvas-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none}.form-section{background:var(--bg);padding:16px;border-radius:var(--radius-md);border:1px solid var(--border);margin:12px 0}.form-hint{font-size:12px;color:var(--text-muted);margin-top:4px}.progress-bar{width:100%;height:8px;background:var(--border);border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary) 0%,var(--success) 100%);border-radius:4px;transition:width .3s ease}.excel-preview-table{font-size:13px}.excel-preview-table th,.excel-preview-table td{padding:8px 12px;white-space:nowrap}.status-valid{color:var(--success);font-weight:600}.status-invalid{color:var(--danger);font-weight:600}.status-duplicate{color:var(--warning);font-weight:600}.modal{max-width:800px;max-height:90vh;overflow-y:auto}.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.badge{display:inline-block;padding:4px 8px;border-radius:4px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge-success{background:var(--success-light);color:var(--success)}.badge-warning{background:var(--warning-light);color:var(--warning)}.badge-danger{background:var(--danger-light);color:var(--danger)}@media(max-width:768px){.form-row-2{grid-template-columns:1fr}.modal{max-width:95vw;margin:20px}.excel-preview-table{font-size:11px}.excel-preview-table th,.excel-preview-table td{padding:6px 8px}}.pagination{display:flex;padding-left:0;list-style:none;justify-content:center;gap:var(--space-xs);margin:0;flex-wrap:wrap}.page-item{margin:0}.page-link{position:relative;display:flex;align-items:center;justify-content:center;padding:8px 14px;margin-left:0;line-height:1.25;color:var(--text-secondary);background-color:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);font-weight:600;font-size:13px;transition:all .2s ease}.page-link:hover{z-index:2;color:var(--primary);text-decoration:none;background-color:var(--primary-light);border-color:var(--primary)}.page-item.active .page-link{z-index:3;color:#fff;background-color:var(--primary);border-color:var(--primary);box-shadow:var(--shadow-sm)}.page-item.disabled .page-link{color:var(--text-muted);pointer-events:none;cursor:auto;background-color:var(--bg);border-color:var(--border-light)}