/* Chat Interface Styles */

/* Chat Area */
.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    overflow: hidden;
}

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

/* Welcome Message */
.welcome-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100%;
    padding: var(--spacing-2xl);
}

.welcome-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: var(--color-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-accent);
}

.welcome-message h1 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.welcome-message p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    max-width: 500px;
}

/* Message Styles */
.message {
    display: flex;
    gap: var(--spacing-md);
    max-width: 100%;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.message.user .message-avatar {
    background: var(--color-accent-light);
    color: var(--color-accent);
}

.message.assistant .message-avatar {
    background: var(--color-background);
    color: var(--color-text-secondary);
}

.message-content {
    flex: 1;
    min-width: 0;
}

.message-text {
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--color-text-primary);
}

.message.user .message-text {
    background: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-sm);
}

.message.assistant .message-text {
    background: var(--color-background);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-top-left-radius: var(--radius-sm);
}

/* Citations */
.citations {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.citations-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.citation-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.citation-item {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 2px 8px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--color-accent);
    text-decoration: none;
    transition: all 0.2s ease;
}

.citation-item:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent);
}

.citation-item svg {
    width: 12px;
    height: 12px;
}

/* Chat Input */
.chat-input-container {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    background: var(--color-white);
}

.chat-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
    background: var(--color-input-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
}

#chatInput {
    flex: 1;
    border: none;
    background: transparent;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    resize: none;
    outline: none;
    min-height: 24px;
    max-height: 150px;
    padding: var(--spacing-xs) var(--spacing-sm);
}

#chatInput::placeholder {
    color: var(--color-text-muted);
}

.send-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-accent);
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.send-btn:hover:not(:disabled) {
    background: #0056b3;
}

.send-btn:disabled {
    background: var(--color-border);
    cursor: not-allowed;
}

.input-hint {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-align: center;
}

#scopeIndicator {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Loading Animation */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: var(--spacing-md);
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--color-text-muted);
    border-radius: var(--radius-full);
    animation: typing 1.4s infinite ease-in-out;
}

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

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

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    30% {
        transform: translateY(-4px);
        opacity: 1;
    }
}