.page-content {
    height: calc(100vh - 48px); /* Full height minus header */
    margin-top: 48px; /* Push down below header */
    overflow-y: auto; /* Enable scrolling here */
    width: 100%;
    position: relative;
    overflow-y: scroll;
}

.container {
    max-width: 1400px;
    margin: 20px auto;
    padding: 0 15px;
    position: relative;
    z-index: var(--z-base);
}

.controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: var(--space-2);
}

.actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    flex-wrap: nowrap;
    width: 100%;
}

.action-buttons {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: nowrap;
}

/* Ensure hidden class works properly */
.hidden {
    display: none !important;
}

.folder-tags-container {
    position: relative;
    width: 100%;
    margin-bottom: 8px; /* Add margin to ensure space for the button */
}

.folder-tags {
    display: flex;
    gap: 4px;
    padding: 2px 0;
    flex-wrap: wrap;
    transition: max-height 0.3s ease, opacity 0.2s ease;
    max-height: 150px; /* Limit height to prevent overflow */
    opacity: 1;
    overflow-y: auto; /* Enable vertical scrolling */
    margin-bottom: 5px; /* Add margin below the tags */
}

.folder-tags.collapsed {
    max-height: 0;
    opacity: 0;
    margin: 0;
    padding-bottom: 0;
    overflow: hidden;
}

.toggle-folders-container {
    margin-left: auto;
}

/* Toggle Folders Button */
.toggle-folders-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.toggle-folders-btn:hover {
    background: var(--lora-accent);
    color: white;
    transform: translateY(-2px);
}

.toggle-folders-btn i {
    transition: transform 0.3s ease;
}

/* Icon-only button style */
.icon-only {
    min-width: unset !important;
    width: 36px !important;
    padding: 0 !important;
}

/* Rotate icon when folders are collapsed */
.folder-tags.collapsed ~ .actions .toggle-folders-btn i {
    transform: rotate(180deg);
}

/* Add custom scrollbar for better visibility */
.folder-tags::-webkit-scrollbar {
    width: 6px;
}

.folder-tags::-webkit-scrollbar-track {
    background: var(--card-bg);
    border-radius: 3px;
}

.folder-tags::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.folder-tags::-webkit-scrollbar-thumb:hover {
    background: var(--lora-accent);
}

.tag {
    cursor: pointer;
    padding: 2px 8px;
    margin: 2px;
    border: 1px solid #ccc;
    border-radius: var(--border-radius-xs);
    display: inline-block;
    line-height: 1.2;
    font-size: 14px;
}

.tag.active {
    background-color: #007bff;
    color: white;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var (--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: var(--z-overlay);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var (--lora-accent);
    color: white;
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .actions {
        flex-wrap: wrap;
        gap: var(--space-1);
    }
    
    .action-buttons {
        flex-wrap: wrap;
        gap: var(--space-1);
        width: 100%;
    }
    
    .toggle-folders-container {
        margin-left: 0;
        width: 100%;
        display: flex;
        justify-content: flex-end;
    }
    
    .folder-tags-container {
        order: -1;
    }
    
    .toggle-folders-btn:hover {
        transform: none; /* 移动端下禁用hover效果 */
    }

    .back-to-top {
        bottom: 60px; /* Give some extra space from bottom on mobile */
    }
}

/* Standardize button widths in controls */
.control-group button {
    min-width: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}