/* Chat messages, markdown, code blocks, mermaid, KaTeX, HTML preview,
 * message actions, thinking blocks, queued message indicator.
 * Extracted from styles.css lines 844-2247.
 */

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

.message-wrapper {
    display: flex;
    flex-direction: column;
    max-width: 85%;
    min-width: 0; /* Allow shrinking below content width */
    animation: fadeIn 0.3s ease-in;
}

.message-wrapper.user {
    align-self: flex-end;
}

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

/* Greyed-out messages (outside history window) */
.message-wrapper.outside-history {
    opacity: 0.4;
    position: relative;
    transition: opacity 0.3s ease;
}

.message-wrapper.outside-history::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(128, 128, 128, 0.05);
    pointer-events: none;
    border-radius: 12px;
}

.message-wrapper.outside-history:hover {
    opacity: 0.6;
}

/* Optional: Add a tooltip indicator for outside-history messages */
.message-wrapper.outside-history .message-content::before {
    content: 'Outside context window';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.75);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 1000;
}

.message-wrapper.outside-history .message-content:hover::before {
    opacity: 1;
}

.model-label {
    font-size: 12px;
    color: #64748b;
    margin-bottom: 4px;
    margin-left: 48px;
    font-weight: 500;
}

.message {
    display: flex;
    gap: 12px;
    width: 100%;
    min-width: 0; /* Allow shrinking below content width */
}

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

.message.user {
    flex-direction: row-reverse;
}

.message.assistant {
    flex-direction: row;
}

.message.thinking {
    flex-direction: row;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 18px;
    font-weight: 500;
}

.message.user .message-avatar {
    background: #0369a1;
    color: white;
}

.message.assistant .message-avatar {
    background: #94a3b8;
    color: white;
}

.message.thinking .message-avatar {
    background: #cbd5e1;
    color: #64748b;
}

.message-content {
    background-color: var(--bg-panel);
    padding: 12px 16px;
    border-radius: 18px;
    border: none;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    min-width: 0; /* Allow shrinking below content width */
    overflow-x: auto; /* Allow horizontal scroll for oversized content */
}

.message.user .message-content {
    background: #0369a1;
    color: #ffffff;
}

.message.assistant .message-content {
    background-color: var(--bg-panel);
}

.message-text {
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    word-wrap: break-word;
    overflow-wrap: break-word; /* Break long words if needed */
    min-width: 0; /* Allow shrinking below content width */
}

/* Markdown Styles - Tables */
.message-text table {
    width: 100%;
    max-width: 100%; /* Prevent table from overflowing */
    border-collapse: collapse;
    margin: 1em 0;
    font-size: 0.95em;
    box-shadow: 0 2px 8px rgba(3, 105, 161, 0.08);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    display: table; /* Ensure proper table rendering */
}

.message-text th,
.message-text td {
    padding: 12px 16px;
    text-align: left;
    vertical-align: middle;
    border: none;
}

.message-text th:last-child,
.message-text td:last-child {
    border-right: 0;
}

.message-text thead th {
    background-color: var(--bg-button);
    color: var(--text-primary);
    font-weight: 600;
    border-bottom: none;
}

.message-text tbody tr {
    background-color: var(--bg-panel);
    transition: background-color 0.2s ease;
}

.message-text tbody tr:nth-of-type(even) {
    background-color: var(--bg-main);
}

.message-text tbody tr:hover {
    background-color: var(--bg-hover);
}

.message-text tbody tr:last-of-type td {
    border-bottom: 0;
}

.message-text td ul,
.message-text td ol {
    margin: 0;
    padding-left: 20px;
}

.message-text td p {
    margin: 0 0 0.5em 0;
}

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

/* Mermaid Diagram Styles */
.message-text .mermaid-preview-wrapper {
    margin: 1em 0;
}

/* The code block stays as-is with existing styles */
.message-text .mermaid-preview-wrapper > pre {
    margin-bottom: 0;
}

/* Preview container - similar to HTML preview */
.message-text .mermaid-preview-container {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 0.5em;
    background-color: var(--bg-main);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(3, 105, 161, 0.08);
}

.message-text .mermaid-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    background-color: var(--bg-hover);
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-family);
}

.message-text .mermaid-preview-title {
    display: flex;
    align-items: center;
    gap: 6px;
}

.message-text .mermaid-preview-title svg {
    color: var(--blue-accent);
}

.message-text .mermaid-open-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--bg-button);
    color: var(--blue-accent);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-family);
}

.message-text .mermaid-open-btn:hover {
    background: var(--bg-button-hover);
    border-color: var(--blue-accent);
    transform: translateY(-1px);
}

.message-text .mermaid-open-btn svg {
    flex-shrink: 0;
}

.message-text .mermaid-preview-content {
    padding: 2em 1em;
    background: var(--bg-panel);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.message-text .mermaid-preview-content .mermaid {
    display: flex;
    justify-content: center;
    width: 100%;
    max-width: 100%;
    overflow: visible;
}

.message-text .mermaid-preview-content .mermaid.mermaid-rendered {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.message-text .mermaid-preview-content .mermaid svg {
    max-width: 100%;
    height: auto;
    overflow: visible;
}

.message-text .mermaid-preview-content .mermaid svg .edgeLabel text {
    fill: var(--text-primary) !important;
}

/* Additional Mermaid SVG styling overrides */
.message-text .mermaid-preview-content .mermaid svg .node rect {
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.05));
    rx: 12px !important;  /* Rounded corners */
    ry: 12px !important;  /* Rounded corners */
    stroke: none !important;  /* Remove border */
    stroke-width: 0 !important;  /* Remove border */
}

.message-text .mermaid-preview-content .mermaid svg .node circle,
.message-text .mermaid-preview-content .mermaid svg .node polygon {
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.05));
    stroke: none !important;  /* Remove border */
    stroke-width: 0 !important;  /* Remove border */
}

/* Diamond shapes (decision nodes) */
.message-text .mermaid-preview-content .mermaid svg .node polygon {
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.05));
}

.message-text .mermaid-preview-content .mermaid svg .edgeLabel {
    /* Note: background-color doesn't work on SVG <g> elements */
}

.message-text .mermaid-preview-content .mermaid svg .edgeLabel rect {
    fill: white !important;
    stroke: none !important;
    opacity: 0.95;
}

.message-text .mermaid-preview-content .mermaid svg text {
    font-family: var(--font-family) !important;
    word-wrap: break-word;
    white-space: pre-wrap;
}

/* Styling for htmlLabels in Mermaid to force word wrapping */
.message-text .mermaid-preview-content .mermaid svg .node div {
    white-space: normal !important;
    word-wrap: break-word !important;
    text-align: center !important;
    display: table-cell !important;
    vertical-align: middle !important;
    width: 100% !important;
}

/* Cluster/subgraph backgrounds */
.message-text .mermaid-preview-content .mermaid svg .cluster rect {
    rx: 12px !important;
    ry: 12px !important;
    stroke: none !important;
}

/* Markdown Styles - Headings */
.message-text h1,
.message-text h2,
.message-text h3,
.message-text h4,
.message-text h5,
.message-text h6 {
    color: var(--blue-accent);
    line-height: 1.3;
    font-weight: 600;
    margin-top: 2em;
    margin-bottom: 0.8em;
}

.message-text h1 { font-size: 1.5em; }
.message-text h2 { font-size: 1.4em; }
.message-text h3 { font-size: 1.2em; }

.message-text h1:first-child,
.message-text h2:first-child,
.message-text h3:first-child {
    margin-top: 0;
}

.message-text p {
    margin-top: 0.8em;
    margin-bottom: 0.8em;
}

.message-text p:first-child {
    margin-top: 0;
}

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

.message-text ul,
.message-text ol {
    margin-bottom: 1em;
    padding-left: 28px;
    margin-top: 1em;
}

.message-text h1 + ul, .message-text h1 + ol,
.message-text h2 + ul, .message-text h2 + ol,
.message-text h3 + ul, .message-text h3 + ol {
    margin-top: 0.8em;
}

.message-text li {
    margin-bottom: 0.6em;
    padding-left: 8px;
    line-height: 1.6;
}

.message-text li::marker {
    color: var(--blue-accent);
}

.message-text ul ul,
.message-text ol ul,
.message-text ul ol,
.message-text ol ol {
    margin-top: 0.5em;
    padding-left: 25px;
}

.message-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.message-text > *:first-child {
    margin-top: 0;
}

.message-text > *:last-child {
    margin-bottom: 1.0em;
}

/* Code Container with Header */
.message-text .code-container {
    position: relative;
    margin: 1em 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(3, 105, 161, 0.08);
    max-width: 100%; /* Prevent container from overflowing */
}

.message-text .code-container pre {
    background-color: #1e293b;
    color: #e2e8f0;
    padding: 2.5em 1em 1em 1em;
    border-radius: 0 0 8px 8px;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin: 0;
    max-height: 500px;
    max-width: 100%; /* Prevent pre from overflowing */
    overflow-y: auto;
    overflow-x: auto; /* Allow horizontal scrolling for long lines */
}

.message-text .code-container pre code {
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    padding: 0;
    background: transparent;
    color: inherit;
}

.message-text .code-container pre code.hljs {
    background: transparent !important;
    color: #e2e8f0;
}

.message-text .code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--text-primary);
    padding: 8px 16px;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.message-text .code-header-buttons {
    display: flex;
    gap: 8px;
}

.message-text .language-name {
    color: var(--text-secondary);
    font-size: 0.75em;
    font-family: var(--font-family);
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.message-text .copy-code-button {
    background-color: transparent;
    color: #94a3b8;
    border: 1px solid #475569;
    border-radius: 4px;
    padding: 4px 10px;
    cursor: pointer;
    font-size: 0.75em;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s;
    font-weight: 500;
}

.message-text .copy-code-button:hover {
    background-color: var(--blue-accent);
    color: white;
    border-color: var(--blue-accent);
}

.message-text .copy-code-button:active {
    transform: scale(0.95);
}

/* Table Container with Header */
.message-text .table-container {
    position: relative;
    margin: 1em 0;
    border-radius: 8px;
    overflow-x: auto; /* Allow horizontal scrolling for wide tables */
    overflow-y: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    max-width: 100%; /* Prevent container from overflowing */
    border: 1px solid var(--border-color);
}

.message-text .table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(248, 250, 252, 0.5);
    padding: 4px 12px;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.message-text .table-label {
    color: #94a3b8;
    font-size: 0.7em;
    font-family: var(--font-family);
    text-transform: uppercase;
    font-weight: 400;
    letter-spacing: 0.3px;
}

.message-text .copy-table-button {
    background-color: transparent;
    color: #94a3b8;
    border: none;
    border-radius: 4px;
    padding: 3px 8px;
    cursor: pointer;
    font-size: 0.7em;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s;
    font-weight: 400;
    opacity: 0.7;
}

.message-text .copy-table-button:hover {
    background-color: rgba(3, 105, 161, 0.1);
    color: var(--blue-accent);
    opacity: 1;
}

.message-text .copy-table-button:active {
    transform: scale(0.95);
}

.message-text .table-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.message-text .download-table-button {
    background-color: transparent;
    color: #94a3b8;
    border: none;
    border-radius: 4px;
    padding: 3px 8px;
    cursor: pointer;
    font-size: 0.7em;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s;
    font-weight: 400;
    opacity: 0.7;
}

.message-text .download-table-button:hover {
    background-color: rgba(3, 105, 161, 0.1);
    color: var(--blue-accent);
    opacity: 1;
}

.message-text .download-table-button:active {
    transform: scale(0.95);
}

.message-text .table-container table {
    margin: 0 !important;
    border-radius: 0 !important;
}

/* User message table styles */
.message.user .message-text .table-container {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.message.user .message-text .table-header {
    background-color: rgba(0, 0, 0, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.message.user .message-text .table-label {
    color: rgba(255, 255, 255, 0.6);
}

.message.user .message-text .copy-table-button {
    color: rgba(255, 255, 255, 0.6);
    border: none;
    opacity: 0.7;
}

.message.user .message-text .copy-table-button:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    opacity: 1;
}

.message.user .message-text .download-table-button {
    color: rgba(255, 255, 255, 0.6);
    border: none;
    opacity: 0.7;
}

.message.user .message-text .download-table-button:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    opacity: 1;
}

/* Inline code - not in code blocks */
.message-text code {
    background-color: var(--bg-hover);
    color: var(--blue-accent);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
    border: 1px solid var(--border-color);
}

/* Override for code blocks */
.message-text pre code,
.message-text .code-container code {
    background: transparent !important;
    color: inherit !important;
    padding: 0 !important;
    border: none !important;
}

/* Blockquotes */
.message-text blockquote {
    border-left: 4px solid var(--blue-accent);
    background-color: var(--bg-button);
    padding: 12px 16px;
    margin-left: 0;
    margin: 1em 0;
    color: var(--text-secondary);
    font-style: italic;
    border-radius: 4px;
}

/* Links */
.message-text a {
    color: var(--text-link);
    text-decoration: none;
}

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

/* Images */
.message-text img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 8px 0;
}

/* Horizontal rules */
.message-text hr {
    border: none;
    border-top: 2px solid var(--border-color);
    margin: 1.5em 0;
    opacity: 0.5;
}

/* KaTeX/LaTeX Styles */
.message-text .katex {
    font-size: 1.1em;
}

.message-text .katex-display {
    margin: 1em 0;
    overflow-x: auto;
    overflow-y: hidden;
    text-align: center;
}

.message-text .katex-inline {
    font-size: 1em;
}

.message-text .katex-html {
    white-space: nowrap;
}

.message-text .katex-display > .katex {
    display: inline-block;
    white-space: nowrap;
    max-width: 100%;
}

.message-text td .katex,
.message-text th .katex {
    font-size: 0.95em;
}

/* HTML Preview Styles */
.message-text .html-preview-wrapper {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 1em;
    background-color: var(--bg-main);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(3, 105, 161, 0.08);
}

.message-text .html-preview-header {
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    background-color: var(--bg-hover);
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-family);
}

.message-text .html-inline-preview {
    width: 100%;
    height: 300px;
    max-height: 500px;
    border: none;
    margin: 0;
    background-color: white;
    resize: vertical;
    overflow: auto;
    display: block;
}

.message.user .message-text {
    color: #ffffff;
    font-weight: 400;
    white-space: pre-wrap;
}

.message.user .message-text code {
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.3);
}

.message.user .message-text pre code,
.message.user .message-text .code-container code {
    background: transparent !important;
    color: inherit !important;
}

.message.user .message-text h1,
.message.user .message-text h2,
.message.user .message-text h3 {
    color: #ffffff;
}

.message.user .message-text strong {
    color: #ffffff;
}

.message.user .message-text a {
    color: #e0f2fe;
    text-decoration: underline;
}

.message.user .message-text blockquote {
    background-color: rgba(255, 255, 255, 0.1);
    border-left-color: rgba(255, 255, 255, 0.5);
    color: rgba(255, 255, 255, 0.9);
}

.message.user .message-text .code-container {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.message.user .message-text .code-container pre {
    background-color: rgba(0, 0, 0, 0.4);
    color: #ffffff;
}

.message.user .message-text .code-header {
    background-color: rgba(0, 0, 0, 0.5);
}

.message.user .message-text .language-name {
    color: rgba(255, 255, 255, 0.8);
}

.message.user .message-text .copy-code-button {
    color: rgba(255, 255, 255, 0.8);
    border-color: rgba(255, 255, 255, 0.3);
}

.message.user .message-text .copy-code-button:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.5);
}

.message.user .message-text li::marker {
    color: rgba(255, 255, 255, 0.9);
}

.message.user .message-text table {
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.message.user .message-text th,
.message.user .message-text td {
    border: none;
}

.message.user .message-text thead th {
    background-color: rgba(0, 0, 0, 0.2);
    color: #ffffff;
    border-bottom: none;
}

.message.user .message-text tbody tr {
    background-color: rgba(255, 255, 255, 0.05);
}

.message.user .message-text tbody tr:nth-of-type(even) {
    background-color: rgba(255, 255, 255, 0.1);
}

.message.user .message-text tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.message-time {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
    display: block;
    text-align: right;
}

.message.user .message-time {
    color: rgba(255, 255, 255, 0.85);
}

/* Message Actions */
.message-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
}

.message-action-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 13px;
    transition: background-color 0.2s, color 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-family);
}

.message-action-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.message-action-btn svg {
    flex-shrink: 0;
}

.message.user .message-actions {
    border-top-color: rgba(255, 255, 255, 0.3);
}

.message.user .message-action-btn {
    color: rgba(255, 255, 255, 0.85);
}

.message.user .message-action-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 1);
}

/* Download button — reset <a> element to look like an action button */
a.message-action-btn.download-btn {
    text-decoration: none;
}

a.message-action-btn.download-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

/* Delete button specific styles */
.message-action-btn.delete-btn:hover {
    background-color: #fee;
    color: #c53030;
}

.message.user .message-action-btn.delete-btn:hover {
    background-color: rgba(255, 100, 100, 0.3);
    color: #fff;
}

/* Edit button specific styles */
.message-action-btn.edit-btn:hover {
    background-color: var(--bg-hover);
    color: var(--accent-color, #6366f1);
}

.message.user .message-action-btn.edit-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

/* Edit mode — inline textarea */
.message-edit-textarea {
    width: 100%;
    min-height: 60px;
    padding: 8px 10px;
    border-radius: 8px;
    border: 2px solid var(--accent-color, #6366f1);
    background: var(--bg-primary, #fff);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 14px;
    line-height: 1.5;
    resize: none;
    outline: none;
    box-sizing: border-box;
    margin-bottom: 4px;
}

.message.user .message-edit-textarea {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.7);
}

.message.user .message-edit-textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

/* Edit action buttons */
.message-edit-actions {
    flex-wrap: wrap;
}

.message-action-btn.edit-save-btn {
    color: var(--accent-color, #6366f1);
    font-weight: 600;
}

.message-action-btn.edit-save-btn:hover {
    background-color: var(--accent-color, #6366f1);
    color: #fff;
}

.message.user .message-action-btn.edit-save-btn {
    color: #fff;
    font-weight: 600;
}

.message.user .message-action-btn.edit-save-btn:hover {
    background-color: rgba(255, 255, 255, 0.3);
    color: #fff;
}

.message-action-btn.edit-cancel-btn:hover {
    background-color: #fee;
    color: #c53030;
}

.message.user .message-action-btn.edit-cancel-btn:hover {
    background-color: rgba(255, 100, 100, 0.3);
    color: #fff;
}

/* Thinking Block Styles */
.message.thinking .message-content {
    background-color: #f8f9fa;
    border: 1px solid #e2e8f0;
    cursor: pointer;
    user-select: none;
}

.message.thinking .message-text {
    color: #64748b;
    font-size: 14px;
    font-style: italic;
}

.thinking-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: #94a3b8;
    margin-bottom: 8px;
}

.thinking-icon {
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.thinking-icon svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
}

.thinking-toggle {
    font-size: 12px;
    transition: transform 0.2s;
}

.thinking-content {
    max-height: 500px;
    overflow-y: auto;
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

.thinking-content.collapsed {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

.thinking-content::-webkit-scrollbar {
    width: 6px;
}

.thinking-content::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 16px;
}

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

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

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

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

.chat-input-container {
    padding: 4px 16px 16px 16px;
    background-color: transparent;
    flex-shrink: 0;
}

.prompt-area {
    position: relative;
    margin-bottom: 0;
    padding: 4px;
    border: 1px solid var(--border-color);
    border-radius: 28px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    transition: box-shadow 0.2s;
    background-color: var(--bg-panel);
}

.prompt-area:focus-within {
    border-color: var(--blue-accent);
    box-shadow: 0 0 0 3px rgba(3, 105, 161, 0.1);
}

.prompt-input-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
}

.prompt-input {
    width: 100%;
    padding: 12px 20px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-family: var(--font-family);
    background-color: transparent;
    resize: none;
    min-height: 28px;
    max-height: 200px;
    overflow-y: hidden;
    overflow-wrap: break-word;
    line-height: 1.5;
}

.prompt-input:focus {
    outline: none;
}

.prompt-input.drag-over {
    background-color: var(--bg-hover);
    border: 2px dashed var(--blue-accent);
    border-radius: 28px;
}

.prompt-buttons {
    position: static;
    transform: none;
    display: flex;
    gap: 8px;
    align-items: center;
    padding-right: 8px;
}

.prompt-buttons button {
    background-color: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    font-size: 18px;
    color: var(--text-secondary);
}

.prompt-buttons button:hover {
    background-color: var(--bg-hover);
}

.prompt-buttons .run-btn {
    background-color: var(--bg-hover);
    padding: 8px 16px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}

.prompt-buttons .run-btn span {
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 500;
    display: none;
}

.prompt-buttons .run-btn:hover {
    background-color: #e0e0e0;
}

.prompt-buttons .run-btn svg {
    width: 16px;
    height: 16px;
}

.prompt-buttons .run-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Queue Button */
.prompt-buttons .queue-btn {
    background-color: var(--bg-hover);
    padding: 8px 16px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.prompt-buttons .queue-btn span {
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 500;
    display: none;
}

.prompt-buttons .queue-btn:hover {
    background-color: #e0e0e0;
}

.prompt-buttons .queue-btn svg {
    width: 16px;
    height: 16px;
}

.prompt-buttons .queue-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Queued Message Indicator */
.queued-message-indicator {
    background: #f1f5f9;
    border: none;
    border-radius: 14px;
    padding: 10px 14px;
    margin: 0 16px 8px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    animation: queueSlideIn 0.3s ease-out;
}

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

.queued-message-content {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.queued-icon {
    color: #3b82f6;
    flex-shrink: 0;
}

.queued-label {
    font-weight: 600;
    font-size: 13px;
    color: #475569;
    flex-shrink: 0;
}

.queued-preview {
    font-size: 13px;
    color: #64748b;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
    line-height: 1.5;
}

.clear-queue-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
    color: #94a3b8;
}

.clear-queue-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.clear-queue-btn svg {
    width: 13px;
    height: 13px;
}