/**
 * DataFlex AI Chat Styles
 * Matches MkDocs Material theme
 */

/* Chat Container */
.chat-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 200px);
    min-height: 500px;
    max-height: 800px;
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 8px;
    overflow: hidden;
    background: var(--md-default-bg-color);
}

/* Chat Header */
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
}

.chat-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 500;
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    opacity: 0.9;
}

.chat-status::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

.chat-status--online::before {
    background: #4caf50;
}

.chat-status--offline::before {
    background: #f44336;
}

.chat-status--streaming::before {
    background: #ff9800;
    animation: pulse 1s ease-in-out infinite;
}

.chat-status--error::before {
    background: #f44336;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Messages Area */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Welcome Message */
.chat-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
    color: var(--md-default-fg-color--light);
}

.chat-welcome .welcome-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    color: var(--md-primary-fg-color);
}

.chat-welcome .welcome-icon svg {
    width: 100%;
    height: 100%;
}

.chat-welcome h3 {
    margin: 0 0 8px 0;
    color: var(--md-default-fg-color);
}

.chat-welcome p {
    margin: 0 0 20px 0;
    max-width: 400px;
}

.welcome-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.suggestion-chip {
    padding: 8px 16px;
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 20px;
    background: transparent;
    color: var(--md-default-fg-color);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.suggestion-chip:hover {
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
    border-color: var(--md-primary-fg-color);
}

/* Individual Messages */
.chat-message {
    display: flex;
    gap: 12px;
    max-width: 85%;
}

.chat-message--user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-message--assistant {
    align-self: flex-start;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chat-message--user .message-avatar {
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
}

.chat-message--assistant .message-avatar {
    background: var(--md-default-fg-color--lightest);
    color: var(--md-default-fg-color);
}

.message-avatar svg {
    width: 20px;
    height: 20px;
}

.message-wrapper {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.message-content {
    padding: 12px 16px;
    border-radius: 12px;
    line-height: 1.5;
    font-size: 0.9rem;
}

.chat-message--user .message-content {
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
    border-bottom-right-radius: 4px;
}

.chat-message--assistant .message-content {
    background: var(--md-default-fg-color--lightest);
    color: var(--md-default-fg-color);
    border-bottom-left-radius: 4px;
}

/* Content Styling */
.message-content p {
    margin: 0 0 12px 0;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content code {
    background: rgba(0, 0, 0, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--md-code-font-family);
    font-size: 0.85em;
}

.chat-message--user .message-content code {
    background: rgba(255, 255, 255, 0.2);
}

.message-content pre {
    margin: 12px 0;
    padding: 12px;
    border-radius: 6px;
    overflow-x: auto;
    background: var(--md-code-bg-color);
    white-space: pre !important;
    position: relative;
}

.message-content pre code {
    background: none;
    padding: 0;
    font-size: 0.85rem;
    color: var(--md-code-fg-color);
    white-space: pre !important;
    display: block;
}

/* Ensure highlighted code preserves whitespace */
.message-content pre code.highlighted {
    white-space: pre !important;
}

/* Code line wrapper for syntax-highlighted code */
.message-content pre code .code-line {
    display: block;
    white-space: pre;
    min-height: 1.2em;
}

.code-copy-btn {
    position: absolute;
    top: 6px;
    right: 8px;
    width: 28px;
    height: 28px;
    padding: 0;
    border-radius: 6px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--md-default-fg-color--light);
    cursor: pointer;
    opacity: 0.45;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.code-copy-btn:hover {
    color: var(--md-accent-fg-color);
    border-color: var(--md-default-fg-color--lightest);
    background: rgba(0, 0, 0, 0.04);
    opacity: 0.9;
}

.code-copy-btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.code-copy-btn.copied {
    color: var(--md-primary-fg-color);
    opacity: 1;
}

.code-copy-btn.error {
    color: #b00020;
    opacity: 1;
}

.message-content ul,
.message-content ol {
    margin: 8px 0;
    padding-left: 24px;
}

.message-content li {
    margin: 4px 0;
}

.message-content h2,
.message-content h3,
.message-content h4 {
    margin: 16px 0 8px 0;
    font-weight: 600;
}

.message-content h2 { font-size: 1.1rem; }
.message-content h3 { font-size: 1rem; }
.message-content h4 { font-size: 0.95rem; }

.message-content a {
    color: var(--md-accent-fg-color);
    text-decoration: none;
}

.message-content a:hover {
    text-decoration: underline;
}

.message-content .error {
    color: #f44336;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 4px 0;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--md-default-fg-color--light);
    animation: typing 1.4s ease-in-out infinite;
}

.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); }
    30% { transform: translateY(-6px); }
}

/* Sources */
.message-sources {
    font-size: 0.8rem;
}

.sources-details {
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 6px;
    padding: 8px 12px;
    background: var(--md-default-bg-color);
}

.sources-details summary {
    cursor: pointer;
    font-weight: 500;
    color: var(--md-default-fg-color--light);
}

.sources-details[open] summary {
    margin-bottom: 8px;
}

.sources-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.sources-list li {
    padding: 6px 0;
    color: var(--md-default-fg-color--light);
    font-size: 0.8rem;
    word-break: break-word;
    line-height: 1.4;
}

.source-number {
    color: var(--md-primary-fg-color);
    font-weight: 600;
    margin-right: 6px;
}

.source-link {
    color: var(--md-accent-fg-color);
    text-decoration: none;
    font-family: inherit;
    font-size: 0.8rem;
}

.source-link:hover {
    text-decoration: underline;
    color: var(--md-primary-fg-color);
}

.source-file {
    font-family: inherit;
    font-size: 0.8rem;
    color: var(--md-default-fg-color--light);
}

.source-type {
    color: var(--md-default-fg-color--lighter);
    font-size: 0.7rem;
    margin-left: 4px;
}

.source-platform {
    color: var(--md-primary-fg-color);
    font-size: 0.7rem;
    font-weight: 500;
    margin-left: 4px;
}

.source-ref {
    margin-left: 2px;
}

.source-ref-sep {
    margin-left: 2px;
}

.source-ref-link {
    color: var(--md-accent-fg-color);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 600;
}

.source-ref-link:hover {
    text-decoration: underline;
    color: var(--md-primary-fg-color);
}

/* Input Area */
.chat-input-area {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid var(--md-default-fg-color--lightest);
    background: var(--md-default-bg-color);
}

#chat-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 20px;
    font-family: inherit;
    font-size: 0.9rem;
    resize: none;
    min-height: 40px;
    max-height: 200px;
    background: var(--md-default-bg-color);
    color: var(--md-default-fg-color);
    outline: none;
    transition: border-color 0.2s ease;
}

#chat-input:focus {
    border-color: var(--md-primary-fg-color);
}

#chat-input::placeholder {
    color: var(--md-default-fg-color--light);
}

.chat-buttons {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

#send-button,
#clear-button {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

#send-button {
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
}

#send-button:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

#send-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#clear-button {
    background: transparent;
    color: var(--md-default-fg-color--light);
    border: 1px solid var(--md-default-fg-color--lightest);
}

#clear-button:hover {
    background: var(--md-default-fg-color--lightest);
    color: var(--md-default-fg-color);
}

#send-button svg,
#clear-button svg {
    width: 20px;
    height: 20px;
}

/* Dark mode adjustments */
[data-md-color-scheme="slate"] .chat-message--assistant .message-content {
    background: rgba(255, 255, 255, 0.05);
}

[data-md-color-scheme="slate"] .message-content code {
    background: rgba(255, 255, 255, 0.1);
}

[data-md-color-scheme="slate"] .sources-details {
    background: rgba(255, 255, 255, 0.02);
}

/* Responsive */
@media (max-width: 768px) {
    .chat-container {
        height: calc(100vh - 150px);
        border-radius: 0;
        border-left: none;
        border-right: none;
    }

    .chat-message {
        max-width: 95%;
    }

    .welcome-suggestions {
        flex-direction: column;
    }

    .suggestion-chip {
        width: 100%;
    }
}

/* ===========================================
   Ask AI Button (Header)
   =========================================== */

.ask-ai-button {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    margin-right: 0.8rem;
    border-radius: 0.3rem;
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color) !important;
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ask-ai-button:hover {
    background: var(--md-accent-fg-color);
    color: white !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    text-decoration: none;
}

.ask-ai-icon {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
}

.ask-ai-text {
    line-height: 1;
}

/* Header layout - reorder: ... | Ask AI | Search | Dark/Light toggle */
.ask-ai-button { order: 5; }
.md-header__inner > .md-search { order: 6; margin-left: 0 !important; }
.md-header__inner > form[data-md-component="palette"],
.md-header__option { order: 7; margin-left: 0.4rem; }

/* Responsive - icon only on small screens */
@media screen and (max-width: 600px) {
    .ask-ai-button {
        padding: 0.4rem;
        margin-right: 0.4rem;
    }
    .ask-ai-text {
        display: none;
    }
}

/* ===========================================
   Feedback Bar
   =========================================== */

.feedback-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    font-size: 0.8rem;
    color: var(--md-default-fg-color--light);
    flex-wrap: wrap;
}

.feedback-label {
    font-size: 0.78rem;
}

.feedback-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 6px;
    background: transparent;
    color: var(--md-default-fg-color--light);
    cursor: pointer;
    transition: all 0.2s ease;
}

.feedback-btn:hover {
    border-color: var(--md-primary-fg-color);
    color: var(--md-primary-fg-color);
    background: rgba(0, 0, 0, 0.03);
}

.feedback-btn svg {
    width: 16px;
    height: 16px;
}

.feedback-thanks {
    font-size: 0.78rem;
    color: var(--md-default-fg-color--light);
}

.feedback-comment-area {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    margin-top: 4px;
}

.feedback-comment {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.82rem;
    resize: vertical;
    background: var(--md-default-bg-color);
    color: var(--md-default-fg-color);
    outline: none;
}

.feedback-comment:focus {
    border-color: var(--md-primary-fg-color);
}

.feedback-submit-btn {
    align-self: flex-end;
    padding: 5px 14px;
    border: none;
    border-radius: 6px;
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease;
}

.feedback-submit-btn:hover {
    opacity: 0.9;
}

/* ===========================================
   Consent Banner
   =========================================== */

.consent-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--md-default-bg-color);
    border-top: 1px solid var(--md-default-fg-color--lightest);
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.1);
    padding: 14px 24px;
}

.consent-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.consent-text {
    font-size: 0.85rem;
    color: var(--md-default-fg-color);
}

.consent-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.consent-btn {
    padding: 6px 16px;
    border: none;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.consent-btn--accept {
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
}

.consent-btn--accept:hover {
    opacity: 0.9;
}

.consent-btn--decline {
    background: transparent;
    color: var(--md-default-fg-color--light);
    border: 1px solid var(--md-default-fg-color--lightest);
}

.consent-btn--decline:hover {
    background: var(--md-default-fg-color--lightest);
    color: var(--md-default-fg-color);
}

.consent-learn-more {
    font-size: 0.8rem;
    color: var(--md-accent-fg-color);
    text-decoration: none;
}

.consent-learn-more:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    .consent-content {
        flex-direction: column;
        text-align: center;
    }
}

/* ===========================================
   Consent Notice (in welcome area)
   =========================================== */

.consent-notice {
    margin-top: 20px;
    padding: 20px;
    background: var(--md-default-fg-color--lightest);
    border-radius: 8px;
    max-width: 480px;
}

[data-md-color-scheme="slate"] .consent-notice {
    background: rgba(255, 255, 255, 0.05);
}

.consent-notice-text {
    font-size: 0.88rem;
    line-height: 1.5;
    color: var(--md-default-fg-color);
    margin: 0 0 16px 0;
}

.consent-notice-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 12px;
}

.consent-notice .consent-btn {
    padding: 8px 24px;
    font-size: 0.88rem;
}

.consent-notice .consent-learn-more {
    display: block;
    text-align: center;
    font-size: 0.8rem;
}

/* Disabled input state */
#chat-input:disabled {
    background: var(--md-default-fg-color--lightest);
    cursor: not-allowed;
    opacity: 0.7;
}

#chat-input:disabled::placeholder {
    color: var(--md-default-fg-color--light);
}