/* Tools & Panels CSS */

/* --- File Browser --- */
.file-browser {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.file-path {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-secondary);
}

.file-path i {
    color: var(--accent);
}

.file-path input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: monospace;
    font-size: 0.9rem;
}

.file-path input:focus {
    outline: none;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    transition: var(--transition-fast);
}

.file-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
}

.file-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
    cursor: pointer;
    min-width: 0;
}

.file-item.dir .file-info i {
    color: var(--accent);
}

.file-item.file .file-info i {
    color: var(--primary-light);
}

.file-item-name {
    font-size: 0.9rem;
    color: var(--text-primary);
    white-space: normal;
    overflow-wrap: break-word;
    overflow: visible;
}

.file-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.file-item-size {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
}

.file-action-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    transition: var(--transition-fast);
}

.file-action-btn:hover {
    color: var(--text-primary);
}

.file-action-btn.delete:hover {
    color: var(--danger);
}

.file-action-btn.download:hover {
    color: var(--secondary);
}

/* --- Collapsible Todo List (Refactored) --- */
.todo-collapsible-container {
    width: 100%;
    /* Max width requirement */
    max-width: 768px; 
    margin: 0.5rem 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.todo-collapsible-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-card-hover);
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
    border-bottom: 1px solid transparent; /* Prepare for border transition */
}

.todo-collapsible-header:hover {
    background: var(--bg-hover);
}

.todo-collapsible-container.expanded .todo-collapsible-header {
    border-bottom-color: var(--border-color);
}

.todo-summary-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.todo-summary-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.todo-toggle-icon {
    transition: transform 0.2s ease;
}

.todo-collapsible-container.expanded .todo-toggle-icon {
    transform: rotate(180deg);
}

.todo-list-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-in-out, opacity 0.2s;
    opacity: 0;
    background: var(--bg-card);
}

.todo-collapsible-container.expanded .todo-list-body {
    /* Large max-height to allow expansion. 
       Note: For precise animation, JS height calculation is better, 
       but CSS max-height is requested/acceptable for simple toggle */
    max-height: 2000px; 
    opacity: 1;
    overflow-x: auto; /* Allow horizontal scroll if needed */
}

/* List Items */
.todo-list-content {
    background: var(--bg-card);
    /* Ensure it integrates well within tool-call-body */
    border-top: 1px solid var(--border-color); /* Separator from header if needed */
}

.todo-list-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.5;
    /* Ensure no wrap as per "one line per item" */
    white-space: nowrap; 
    min-width: fit-content; /* Ensure row takes needed space */
}

.todo-list-row:last-child {
    border-bottom: none;
}

.todo-list-row.completed {
    opacity: 0.6;
}

.todo-list-row.completed .todo-row-title {
    text-decoration: line-through;
    color: var(--text-muted);
}

.todo-row-icon {
    flex-shrink: 0;
    width: 20px;
    text-align: center;
}

.todo-row-title {
    flex: 1;
    min-width: 150px; /* Minimum width for title */
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}

.todo-row-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* Badges */
.todo-badge {
    font-size: 0.75rem;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    background: var(--bg-darker);
    color: var(--text-muted);
    white-space: nowrap;
}

.todo-badge.priority-high { color: var(--danger); background: rgba(239, 68, 68, 0.1); }
.todo-badge.priority-medium { color: var(--accent); background: rgba(245, 158, 11, 0.1); }
.todo-badge.priority-low { color: var(--secondary); background: rgba(16, 185, 129, 0.1); }

.todo-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
}

/* Responsive */
@media (max-width: 480px) {
    /* On very small screens, allow scrolling but keep single line look */
    .todo-list-body, .todo-list-content {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* --- Memory List --- */
.memory-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.memory-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
}

.memory-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.memory-content {
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.5;
}

/* --- Settings Panel --- */
.setting-section {
    margin-bottom: 2rem;
}

.setting-section h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}