.explorer-body {
    padding: 0 !important;
    display: flex;
    overflow: hidden;
}

.explorer-sidebar {
    width: 140px;
    border-right: 1px solid var(--window-border);
    background: rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    padding: 8px;
    gap: 4px;
    user-select: none;
    flex-shrink: 0;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.78rem;
    color: var(--text-secondary);
    transition: background-color 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.sidebar-item.active {
    background: color-mix(in srgb, var(--accent) 15%, transparent);
    color: var(--accent);
    font-weight: 600;
}

.sidebar-icon {
    font-size: 1rem;
}

.explorer-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.explorer-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--window-border);
    background: rgba(0, 0, 0, 0.15);
    user-select: none;
}

.explorer-tool-btn {
    background: var(--item-bg);
    border: 1px solid var(--item-border);
    color: var(--text-primary);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.15s ease;
}

.explorer-tool-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent);
}

.explorer-tool-btn:disabled {
    opacity: 0.4;
    cursor: default;
}

.explorer-path-bar {
    flex: 1;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--item-border);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    outline: none;
    min-width: 100px;
}

.explorer-search-container {
    position: relative;
    display: flex;
    align-items: center;
}

.explorer-search {
    width: 120px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--item-border);
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    outline: none;
    transition: width 0.2s ease;
}

.explorer-search:focus {
    border-color: var(--accent);
    width: 150px;
}

.explorer-search-clear {
    position: absolute;
    right: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
    user-select: none;
}

.explorer-grid {
    flex: 1;
    padding: 16px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 16px;
    overflow-y: auto;
    align-content: start;
}

/* Traversal Grid Item */
.explorer-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 6px;
    padding: 10px 6px;
    border-radius: 8px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background-color 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
}

.explorer-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--window-border);
}

.explorer-item.selected {
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    border-color: var(--accent);
}

.explorer-item-icon {
    font-size: 1.5rem; /* 24px, matching start panel size-md icons */
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.explorer-item-label {
    font-size: 0.7rem;
    color: var(--text-primary);
    word-break: break-all;
    max-width: 100%;
    line-height: 1.2;
}

/* Disk Visualizers Styles */
.explorer-drive-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 12px;
    gap: 8px;
    min-width: 180px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--window-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
    grid-column: span 2;
}

.explorer-drive-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent);
}

.explorer-drive-header {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
}

.explorer-drive-icon {
    font-size: 1.6rem;
}

.explorer-drive-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.explorer-drive-name {
    font-size: 0.75rem, font-weight: 600, color: var(--text-primary);
    font-weight: 600;
}

.explorer-drive-capacity {
    font-size: 0.65rem;
    color: var(--text-secondary);
}

.explorer-drive-progress {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.explorer-drive-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
}

/* ─── File Explorer Responsiveness on Mobile ─── */
@media (max-width: 500px) {
    .explorer-sidebar {
        display: none !important; /* Hide sidebar to save space */
    }
    
    .explorer-toolbar {
        padding: 6px 8px !important;
        gap: 6px !important;
    }
    
    .explorer-search {
        width: 80px !important;
    }
    
    .explorer-search:focus {
        width: 110px !important;
    }
    
    .explorer-grid {
        padding: 10px !important;
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)) !important;
        gap: 12px !important;
    }
}