/* ===== PDF SECTION RESPONSIVE ===== */
    .pdf-page {
        padding: 10px;
        border-radius: 12px;
        background: #f9faff;
    }

    .pdf-page .pdf-section {
        display: flex;
        gap: 15px;
        height: 75vh;
    }

    .pdf-page .pdf-sidebar {
        width: 260px;
        padding: 20px;
        background: rgba(255, 255, 255, 0.65);
        backdrop-filter: blur(15px);
        border-radius: 16px;
        border: 1px solid rgba(255, 255, 255, 0.3);
    }

    .pdf-page .pdf-sidebar h4 {
        font-weight: 600;
        margin-bottom: 15px;
    }

    .pdf-page .pdf-item {
        padding: 12px 14px;
        margin-bottom: 10px;
        background: rgba(255, 255, 255, 0.5);
        border-radius: 10px;
        cursor: pointer;
        transition: all 0.25s ease;
    }

    .pdf-page .pdf-item:hover {
        background: rgba(26, 188, 156, 0.2);
        transform: translateX(4px);
    }

    .pdf-page .pdf-item.active {
        background: rgba(26, 188, 156, 0.35);
        color: #0f3d3e;
        font-weight: 500;
    }

    .pdf-page .pdf-viewer {
        flex: 1;
        display: flex;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.65);
        backdrop-filter: blur(15px);
        border-radius: 16px;
        overflow: auto;
    }

    .pdf-page .pdf-toolbar {
        background: rgba(255, 255, 255, 0.55);
        backdrop-filter: blur(10px);
        padding: 10px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .pdf-page .pdf-toolbar button {
        margin: 5px;
        padding: 6px 12px;
        border: none;
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.7);
        cursor: pointer;
        transition: all 0.2s ease;
    }

    .pdf-page .pdf-toolbar button:hover {
        background: rgba(26, 188, 156, 0.3);
    }

    .pdf-page canvas {
        margin: 15px auto;
        max-width: 95%;
        border-radius: 10px;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    }

    @media(max-width:992px) {
        .pdf-page .pdf-section {
            flex-direction: column;
            height: auto;
        }

        .pdf-page .pdf-sidebar {
            width: 100%;
        }

        .pdf-page .pdf-viewer {
            width: 100%;
            min-height: 500px;
        }
    }

    @media(max-width:768px) {
        .pdf-page .pdf-section {
            flex-direction: column;
            height: auto;
        }

        .pdf-page .pdf-sidebar {
            width: 100%;
            padding: 15px;
        }

        .pdf-page .pdf-item {
            font-size: 14px;
        }

        .pdf-page .pdf-viewer {
            min-height: 400px;
        }

        .pdf-page canvas {
            width: 100% !important;
            height: auto !important;
        }

        .pdf-page .pdf-toolbar {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }

        .pdf-page .pdf-toolbar button {
            font-size: 12px;
            padding: 5px 8px;
        }
    }