/* ---------------------------------- */
/* ШАПКА ПАНЕЛИ (АВАТАР, КНОПКИ)      */
/* ---------------------------------- */

.panel-header {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    padding: 12px 12px;
    border-bottom: 1px solid var(--border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: nowrap;
    min-width: 0;
}

.user-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 18px;
    cursor: pointer;
    background-size: cover;
    background-position: center;
    transition: transform var(--transition), box-shadow var(--transition);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.user-avatar:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

.btn-icon {
    background: rgba(255, 255, 255, 0.05);
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.btn-icon:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.05);
}

/* Адаптация для мобильных устройств */
@media (max-width: 768px) {
    .panel-header {
        padding: 8px 8px;
    }
    .user-info {
        gap: 8px;
    }
    .user-avatar {
        width: 38px;
        height: 38px;
        font-size: 16px;
    }
    .btn-icon {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
}

/* Уважение prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .user-avatar,
    .btn-icon {
        transition: none;
    }
    .user-avatar:hover,
    .btn-icon:hover {
        transform: none;
    }
}