/* ===========================================
   Component: Sidebar — Soelya
   Historique des conversations
   =========================================== */

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100%;
    background: rgba(12, 12, 18, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--color-border);
    z-index: 200;
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar--open {
    transform: translateX(0);
}

.sidebar__header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.sidebar__new-chat {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: rgba(124, 92, 252, 0.08);
    border: 1px solid rgba(124, 92, 252, 0.2);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.sidebar__new-chat:hover {
    background: rgba(124, 92, 252, 0.15);
    border-color: rgba(124, 92, 252, 0.4);
}

.sidebar__conversations {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: var(--space-2) 0;
}

.sidebar__conv-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all 0.15s ease;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.sidebar__conv-item:hover {
    background: rgba(124, 92, 252, 0.06);
    color: var(--color-text-primary);
}

.sidebar__conv-item--active {
    background: rgba(124, 92, 252, 0.1);
    color: var(--color-text-primary);
}

.sidebar__conv-icon {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    opacity: 0.5;
}

.sidebar__conv-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar__conv-date {
    font-size: 0.7rem;
    opacity: 0.4;
    flex-shrink: 0;
}

.sidebar__footer {
    padding: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.sidebar__user {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) 0;
    margin-bottom: var(--space-2);
}

.sidebar__user-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-primary);
}

.sidebar__logout {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    color: var(--color-text-tertiary);
    background: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.sidebar__logout:hover {
    color: #f87171;
    background: rgba(248, 113, 113, 0.1);
}

.sidebar__auth-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-2) var(--space-3);
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all 0.2s ease;
}

.sidebar__auth-btn:hover {
    border-color: rgba(124, 92, 252, 0.3);
    color: var(--color-text-primary);
}

/* Overlay pour mobile */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 199;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.sidebar-overlay--visible {
    opacity: 1;
    pointer-events: auto;
}

.sidebar__empty {
    padding: var(--space-8) var(--space-4);
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: var(--font-size-xs);
}