:root{--primary:#e31837;--primary-hover:#c4122d;--bg-main:#f8f9fc;--bg-card:#fff;--bg-sidebar:#fff;--text-main:#1e293b;--text-muted:#64748b;--text-light:#94a3b8;--border-color:#e2e8f0;--accent-yellow-bg:#fff5e0;--accent-yellow-text:#f59e0b;--accent-red-bg:#fff0f0;--accent-red-text:#e31837;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-card:0 4px 20px #00000008;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--transition-speed:.2s}[data-theme=dark]{--bg-main:#0f172a;--bg-card:#1e293b;--bg-sidebar:#1e293b;--text-main:#f8fafc;--text-muted:#cbd5e1;--text-light:#64748b;--border-color:#334155;--accent-yellow-bg:#452b02;--accent-yellow-text:#fbbf24;--accent-red-bg:#4a0c16;--accent-red-text:#ff7388}.metric-cards-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin-bottom:32px;display:grid}.metric-card{background:var(--bg-card,#fff);border:1px solid var(--border-color,#e5e7eb);border-radius:20px;justify-content:space-between;align-items:center;padding:24px;transition:transform .3s cubic-bezier(.4,0,.2,1),box-shadow .3s;display:flex;position:relative;overflow:hidden;box-shadow:0 10px 25px #0000000d}.metric-card:before{content:"";pointer-events:none;background:linear-gradient(135deg,#ffffff1a 0%,#fff0 100%);position:absolute;inset:0}.metric-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px 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#0000001a}.btn-save-attendance:hover:not(:disabled){background-color:var(--primary-hover);box-shadow:0 10px 15px -3px #0003}.btn-save-attendance:disabled{opacity:.5;cursor:not-allowed}.premium-search-input{border:1px solid var(--border-color);background-color:var(--bg-main);width:100%;color:var(--text-main);border-radius:.75rem;padding:.625rem 1rem .625rem 2.5rem;font-size:.875rem;transition:all .2s}.premium-search-input:focus{border-color:#4f46e5;outline:none;box-shadow:0 0 0 3px #4f46e51a}