/* 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: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.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);
}

/* --- Todo List --- */
.todo-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.todo-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    transition: var(--transition-fast);
}

.todo-item:hover {
    border-color: var(--border-light);
}

.todo-item.completed {
    opacity: 0.7;
}

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

.todo-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-light);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: default; /* Read-only view in panel */
}

.todo-item.completed .todo-checkbox {
    background: var(--secondary);
    border-color: var(--secondary);
}

.todo-checkbox i {
    font-size: 0.7rem;
    color: white;
    display: none;
}

.todo-item.completed .todo-checkbox i {
    display: block;
}

.todo-title {
    flex: 1;
    font-size: 0.95rem;
    color: var(--text-primary);
    min-width: 0;
    overflow-wrap: break-word;
}

.todo-status {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 1rem;
    background: var(--bg-darker);
    color: var(--text-muted);
}

.todo-status.in_progress {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary-light);
}

.todo-status.completed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--secondary);
}

/* --- 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);
    font-size: 1rem;
}

.theme-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.theme-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-card);
    border: 2px solid transparent;
    border-radius: 0.5rem;
    padding: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    color: var(--text-secondary);
}

.theme-btn:hover {
    background: var(--bg-card-hover);
}

.theme-btn.active {
    border-color: var(--primary);
    color: var(--primary-light);
    background: rgba(139, 92, 246, 0.05);
}

/* Avatar Gallery */
.avatar-gallery-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
}

.avatar-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.avatar-option {
    aspect-ratio: 1;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-fast);
    background: var(--bg-darker);
}

.avatar-option:hover {
    border-color: var(--primary-light);
    transform: scale(1.05);
}

.avatar-option img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Loading Spinner */
.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    gap: 1rem;
    color: var(--text-muted);
}

.spinner {
    width: 30px;
    height: 30px;
    border: 3px solid var(--border-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    text-align: center;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.empty-state p {
    font-size: 0.9rem;
}

/* Toast Notification */
.toast-success {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    animation: fadeIn 0.3s ease;
    font-weight: 500;
}