.presensi-container {
        max-width: 1400px;
        margin: 0 auto;
        padding: 2rem 1rem;
    }

    .category-card {
        width: 100%;
        padding: 30px 20px;
        border: 2px solid var(--gray-200);
        border-radius: var(--border-radius);
        background-color: var(--white);
        text-align: center;
        cursor: pointer;
        transition: all 0.3s ease;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        min-height: 220px;
    }

    .category-card:hover {
        border-color: var(--primary-color);
        box-shadow: var(--shadow-md);
        transform: translateY(-4px);
    }

    .category-card.active {
        border-color: var(--primary-color);
        background-color: var(--primary-light);
        box-shadow: var(--shadow-lg);
    }

    .category-card i {
        color: var(--primary-color);
    }

    .category-card h5 {
        margin-bottom: 8px;
        color: var(--gray-900);
    }

    .category-card p {
        font-size: 14px;
    }

    .camera-preview {
        position: relative;
        width: 100%;
        max-width: 640px;
        margin: 0 auto;
        background-color: #000;
        border-radius: var(--border-radius);
        overflow: hidden;
    }

    #video {
        width: 100%;
        height: auto;
        display: block;
    }

    #overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
    }

    #qr-reader {
        border-radius: var(--border-radius);
        overflow: hidden;
    }

    /* Result card animation */
    #result {
        animation: slideInUp 0.5s ease-out;
    }

    @keyframes slideInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    #result .fa-check-circle {
        animation: scaleIn 0.6s ease-out;
    }

    @keyframes scaleIn {
        0% {
            transform: scale(0);
            opacity: 0;
        }
        50% {
            transform: scale(1.1);
        }
        100% {
            transform: scale(1);
            opacity: 1;
        }
    }

    @media (max-width: 768px) {
        .category-grid-mobile {
            display: grid !important;
            grid-template-columns: repeat(2, 1fr) !important;
            gap: 12px !important;
        }
        
        .category-grid-mobile > div {
            width: 100% !important;
            padding: 0 !important;
            margin: 0 !important;
        }

        .category-card {
            min-height: 120px;
            padding: 10px 5px;
            word-wrap: break-word;
            word-break: break-word;
            white-space: normal;
            height: 100%;
        }

        .category-card i {
            font-size: 1.5rem !important;
            margin-bottom: 0.5rem !important;
            color: var(--primary-color) !important;
        }
        
        .category-card h5 {
            font-size: 0.9rem;
            margin-bottom: 4px;
        }

        .category-card p {
            font-size: 11px;
            line-height: 1.2;
        }
    }