html, body {
    height: 100%;
    margin: 0;
    overflow-x: hidden;
    overflow-y: auto;
}

.custom-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    max-width: 100%;
    overflow: visible;
}

section.row {
    flex: 1;
    margin: 0;
    width: 100%;
    justify-content: center;
}

article.col-8 {
    max-width: 1600px;
}

@media (max-width: 1800px) {
    article.col-8 {
        flex: 0 0 auto;
        width: 95%;
    }
}

@media (max-width: 768px) {
    .custom-container {
        height: auto;
        min-height: initial;
    }
    
    section.row {
        flex: 0 0 auto;
    }
    
    footer {
        margin-top: 20px;
        position: relative;
    }
    
    body {
        height: auto;
        min-height: initial;
    }
    
    article {
        padding-bottom: 20px;
    }
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    table-layout: fixed;
}

th, td {
    padding: 10px;
    border: 1px solid #ddd;
    text-align: left;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.dropzone {
    width: 100%;
    padding: 20px;
    border: 2px dashed #007bff;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 20px;
    cursor: pointer;
    box-sizing: border-box;
}

.dropzone.dragover {
    background-color: #e0f7fa;
}

.action-buttons {
    margin-bottom: 15px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.action-buttons button {
    margin-right: 0;
}

body {
    min-width: 500px;
}

.hover-effect {
    transition: opacity 0.3s ease;
}

.hover-effect:hover {
    opacity: 0.8;
}

.theme-light .dark-logo {
    display: none;
}

.theme-dark .light-logo {
    display: none;
}

footer {
    margin-top: auto;
    padding: 20px;
    border-top: 1px solid #ddd;
    width: 100%;
}

/* Give the SFTP file browser its own surface, distinct from the outer page. */
article.col-8 {
    background: linear-gradient(145deg, var(--sftp-bg-start), var(--sftp-bg-end));
    border-color: rgba(77, 145, 255, 0.3) !important;
    border-radius: 1rem !important;
    box-shadow: 0 12px 32px rgba(3, 8, 18, 0.2);
}

html[data-bs-theme="light"] article.col-8 {
    background: linear-gradient(145deg, #ffffff, #edf3fb);
    border-color: rgba(59, 130, 246, 0.4) !important;
    box-shadow: 0 18px 48px rgba(31, 58, 92, 0.1);
}