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2px;cursor:pointer;color:var(--light);font-size:.62rem;font-weight:500;transition:color .15s;min-height:44px}.mobile-nav-item.active{color:var(--sage-dark)}.mobile-nav-icon{font-size:1.3rem;line-height:1}}@media (min-width: 769px) and (max-width: 1024px){.sidebar{width:220px}.main-content{margin-left:220px;padding:2rem;max-width:calc(100vw - 220px)}.cards-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 375px){.main-content{padding:1rem .75rem;padding-bottom:80px}.mobile-nav-item{font-size:.58rem}.page-header h2{font-size:1.3rem}.stat-value{font-size:1.5rem}}[data-theme=dark]{--warm-white: #1A1A1A;--cream: #242424;--sage: #7A9E75;--sage-light: #5A7A55;--sage-dark: #9ABE95;--charcoal: #E8E8E8;--mid: #A0A0A0;--light: #606060;--border: #333333;--clay: #C4917A}[data-theme=dark] body{background:#111;color:#e8e8e8}[data-theme=dark] .sidebar{background:#1a1a1a;border-right-color:#333}[data-theme=dark] .main-content{background:#111}[data-theme=dark] .card,[data-theme=dark] .class-card{background:#1a1a1a;border-color:#333}[data-theme=dark] .modal{background:#1a1a1a;border:1px solid #333}[data-theme=dark] .modal-overlay{background:#000000bf}[data-theme=dark] .form-input{background:#242424;border-color:#444;color:#e8e8e8}[data-theme=dark] .form-input:focus{border-color:var(--sage);background:#2a2a2a}[data-theme=dark] .table-wrapper table{background:#1a1a1a}[data-theme=dark] .table-wrapper th{background:#242424;color:#a0a0a0;border-bottom-color:#333}[data-theme=dark] .table-wrapper td{border-bottom-color:#2a2a2a;color:#e8e8e8}[data-theme=dark] .table-wrapper tr:hover td{background:#242424}[data-theme=dark] .nav-item{color:#a0a0a0}[data-theme=dark] .nav-item:hover{background:#242424;color:#e8e8e8}[data-theme=dark] .nav-item.active{background:#2a3a2a;color:var(--sage-dark)}[data-theme=dark] .btn-secondary{background:#2a2a2a;border-color:#444;color:#e8e8e8}[data-theme=dark] .btn-secondary:hover{background:#333}[data-theme=dark] .stat-card,[data-theme=dark] 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.auth-form-side{background:#1a1a1a}[data-theme=dark] thead{background:#242424}