/* Sidebar Styles */
#sidebar { 
    width: var(--sidebar-width); 
    background-color: var(--bg-sidebar); 
    display: flex; 
    flex-direction: column; 
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); 
    border-right: 1px solid var(--border-color); 
    flex-shrink: 0; 
    z-index: 100; 
}

.sidebar-header { 
    padding: 1.25rem 1rem; 
    display: flex; 
    align-items: center; 
    justify-content: space-between;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.sidebar-content { 
    flex: 1; 
    padding: 0.75rem; 
    overflow-y: auto; 
    display: flex; 
    flex-direction: column; 
    gap: 0.5rem; 
}

/* Custom scrollbar for sidebar */
.sidebar-content::-webkit-scrollbar {
    width: var(--scrollbar-width);
}

.sidebar-content::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
    transition: background 0.2s ease;
}

.sidebar-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.sidebar-content::-webkit-scrollbar-thumb:active {
    background: var(--text-primary);
}

.sidebar-footer { 
    padding: 1rem; 
    border-top: 1px solid var(--border-color); 
}

/* Saved Chats List */
.saved-chats-list { 
    display: flex; 
    flex-direction: column; 
    gap: 5px; 
    margin-top: 10px; 
}

.chat-item {
    padding: 10px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    margin-bottom: 2px;
    position: relative;
}

.chat-item:hover { 
    background-color: var(--bg-secondary); 
    color: var(--text-primary); 
}

.chat-item.active { 
    background-color: var(--bg-secondary); 
    color: var(--text-primary);
}

.chat-item .chat-more-btn {
    opacity: 0;
    transition: opacity 0.2s;
    padding: 2px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-item:hover .chat-more-btn {
    opacity: 0.7;
}

.chat-item .chat-more-btn:hover {
    opacity: 1;
    background-color: var(--hover-light);
}

/* Context Menu */
.context-menu {
    position: fixed;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 4px;
    z-index: 1000;
    min-width: 140px;
    display: none;
}

.context-menu.active {
    display: block;
}

.context-item {
    padding: 8px 12px;
    font-size: 0.875rem;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    border-radius: var(--radius-sm);
    transition: background 0.2s;
}

.context-item:hover {
    background: var(--hover-light);
}

.context-item.danger {
    color: var(--danger);
}

.context-item.danger:hover {
    background: var(--danger-bg);
}