.presentation-pdf-container {
    max-width: 100%;
    background: #f5f7fb;
    padding: 15px;
    border-radius: 18px;
    box-shadow: 0px 10px 26px rgba(16, 24, 40, 0.08);
    border: 1px solid #e6e9f2;
    overflow: hidden;
}

.pdf-viewer-header {
    display: flex;
    justify-content: space-between;
    align-items: end;
    padding: 5px 0;
    border-bottom: 1px solid #e6e9f2;
    margin-bottom: 5px;
}

.pdf-viewer-header h2 {
    font-size: 2em;
    color: #333;
    font-weight: 800;
}

.download-btn {
    padding: 10px 20px;
    background-color: #ffb14a;
    color: #111827;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 800;
    border: 1px solid #ffb14a;
}

.download-btn:hover {
    background-color: #800080;
    color: #fff;
}


.pdf-canvas-container {
    width: 100%;
    height: auto;
    overflow-y: auto;
    background-color: #ffffff;
    padding: 20px;
    box-shadow: 0 10px 26px rgba(16, 24, 40, 0.08);
    border-radius: 18px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.pdf-navigation {
    display: flex;
    justify-content: center;
    margin-top: 10px;
    gap: 10px;
}

.nav-btn {
    background-color: #ffb14a;
    color: white;
    padding: 10px 25px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.nav-btn:hover {
    background-color: #800080;
}

.pdf-canvas-container canvas {
    width: 100% !important;
    height: auto !important;
    display: block;
    margin-bottom: 10px;
}

@media (max-width: 992px) {
    .presentation-pdf-container {
        max-width: 100%;
    }

     .presentation-pdf-container {
  padding: 8px;
                    }

    .pdf-canvas-container {
        height: auto;
    }
}

@media (max-width: 576px) {
    .pdf-navigation {
        flex-direction: column;
    }

    .presentation-pdf-container {
  padding: 8px;
                    }

    .nav-btn {
        font-size: 14px;
       padding: 10px 25px;
    }
}