.page {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem 2rem;
}

.header {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--ifm-color-emphasis-200);
}

.backLink {
    color: var(--ifm-color-primary);
    font-size: 0.875rem;
    text-decoration: none;
}

.backLink:hover {
    text-decoration: underline;
}

.messages {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem 0;
}

.empty {
    padding: 2rem 0;
    color: var(--ifm-color-emphasis-500);
    font-size: 0.95rem;
    text-align: center;
}

.messageRow {
    display: flex;
}

.messageRowUser {
    justify-content: flex-end;
}

.messageRowAssistant {
    justify-content: flex-start;
}

.bubble {
    max-width: 75%;
    padding: 10px 14px;
    font-size: 0.9rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    border-radius: var(--ifm-global-radius);
}

.userBubble {
    color: var(--ifm-color-primary-contrast-foreground);
    background: var(--ifm-color-primary);
}

.assistantBubble {
    color: var(--ifm-font-color-base);
    background: var(--ifm-background-surface-color);
    border: 1px solid var(--ifm-color-emphasis-200);
}

.bubbleContent {
    margin-bottom: 0;
}

.sources {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--ifm-color-emphasis-200);
}

.sourcesLabel {
    margin-bottom: 4px;
    color: var(--ifm-color-emphasis-600);
    font-weight: var(--ifm-font-weight-semibold);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.sourceLink {
    display: block;
    overflow: hidden;
    color: var(--ifm-color-primary);
    font-size: 0.8rem;
    white-space: nowrap;
    text-decoration: none;
    text-overflow: ellipsis;
}

.sourceLink:hover {
    text-decoration: underline;
}

.loadingBubble {
    display: flex;
    gap: 4px;
    align-items: center;
    padding: 12px 16px;
}

.loadingDot {
    display: inline-block;
    width: 7px;
    height: 7px;
    background: var(--ifm-color-emphasis-400);
    border-radius: 50%;
    animation: bounce 1.2s infinite;
}

.loadingDot:nth-child(2) {
    animation-delay: 0.2s;
}

.loadingDot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes bounce {
    0%,
    60%,
    100% {
        transform: translateY(0);
    }

    30% {
        transform: translateY(-5px);
    }
}

.errorRow {
    display: flex;
    justify-content: center;
}

.errorText {
    padding: 8px 14px;
    color: var(--ifm-color-danger);
    font-size: 0.85rem;
    background: var(--ifm-color-danger-contrast-background);
    border: 1px solid var(--ifm-color-danger);
    border-radius: var(--ifm-global-radius);
}

.inputRow {
    display: flex;
    gap: 0.5rem;
    align-items: flex-end;
    padding: 0.75rem 0;
    border-top: 1px solid var(--ifm-color-emphasis-200);
}

.input {
    flex: 1;
    padding: 8px 12px;
    color: var(--ifm-font-color-base);
    font-size: var(--ifm-font-size-base);
    font-family: inherit;
    background: var(--ifm-background-surface-color);
    border: 1px solid var(--ifm-color-emphasis-300);
    border-radius: var(--ifm-global-radius);
    outline: none;
    transition: border-color 0.2s ease;
    resize: none;
}

.input:focus {
    border-color: var(--ifm-color-primary);
}

.input:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.sendBtn {
    padding: 8px 18px;
    color: var(--ifm-color-primary-contrast-foreground);
    font-weight: var(--ifm-font-weight-semibold);
    font-size: 0.875rem;
    white-space: nowrap;
    background: var(--ifm-color-primary);
    border: none;
    border-radius: var(--ifm-global-radius);
    cursor: pointer;
    transition: opacity 0.15s ease;
}

.sendBtn:hover:not(:disabled) {
    opacity: 0.85;
}

.sendBtn:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}