/* Messages Area */
.messages-area {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.message {
    display: flex;
    gap: var(--spacing-md);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-user {
    flex-direction: row-reverse;
    align-self: flex-end;
    max-width: 70%;
}

.message-assistant {
    flex-direction: row;
    align-self: flex-start;
    max-width: 80%;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.message-content {
    flex: 1;
}

.message-text {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    line-height: 1.6;
}

.message-user .message-text {
    background-color: var(--color-primary);
    color: white;
}

.message-assistant .message-text {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

.typing-dots {
    display: flex;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
}

.typing-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-text-secondary);
    animation: typing 1.4s infinite;
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        opacity: 0.3;
        transform: translateY(0);
    }
    30% {
        opacity: 1;
        transform: translateY(-10px);
    }
}

/* Input Area */
.input-area {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
    position: relative;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.2s;
}

.btn-icon:hover {
    background-color: var(--color-background);
}

.message-input {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    resize: vertical;
    min-height: 40px;
    max-height: 200px;
}

.message-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.char-counter {
    position: absolute;
    bottom: var(--spacing-xs);
    right: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background-color: var(--color-surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    z-index: 1001;
}

.modal-content h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.rating-criteria {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.rating-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.rating-row label {
    font-weight: 500;
    color: var(--color-text-primary);
}

.stars {
    display: flex;
    gap: var(--spacing-xs);
}

.star {
    cursor: pointer;
    font-size: 1.5rem;
    opacity: 0.3;
    transition: opacity 0.2s;
}

.star:hover,
.star.active {
    opacity: 1;
}

.rating-comment {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    resize: vertical;
    min-height: 100px;
    margin-bottom: var(--spacing-lg);
}

.rating-comment:focus {
    outline: none;
    border-color: var(--color-primary);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}