        /* Document Cards */
        .doc-card {
            background: #fff;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
            border: 1px solid #e9ecef;
            transition: all 0.3s ease;
            height: 100%;
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .doc-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            border-color: #fbc531;
        }

        .doc-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 15px;
        }

        .doc-icon {
            width: 50px;
            height: 50px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            flex-shrink: 0;
        }

        .doc-icon.pdf {
            background: rgba(220, 53, 69, 0.1);
            color: #dc3545;
        }

        .doc-icon.word {
            background: rgba(0, 123, 255, 0.1);
            color: #007bff;
        }

        .doc-icon.excel {
            background: rgba(40, 167, 69, 0.1);
            color: #28a745;
        }

        .doc-category {
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            background: #f0f4f8;
            color: #051937;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .doc-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: #051937;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .doc-desc {
            font-size: 0.85rem;
            color: #6c757d;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .doc-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px dashed #e9ecef;
            padding-top: 15px;
            margin-top: auto;
        }

        .doc-size {
            font-size: 0.8rem;
            font-weight: 600;
            color: #999;
        }

        .btn-download {
            background-color: #051937;
            color: #fff;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 20px;
            transition: 0.3s;
        }

        .btn-download:hover {
            background-color: #fbc531;
            color: #051937;
            text-decoration: none;
        }

        /* Search Section */
        .search-container {
            background: #fff;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
            margin-top: -40px;
            position: relative;
            z-index: 10;
            margin-bottom: 50px;
        }