styles.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Liter';
}

@font-face {
    font-family: 'Liter';
    src: url('Liter-Regular.ttf');
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #343541;
    color: #fff;
    height: 100vh;
    overflow: hidden;
}

.app {
    display: flex;
    height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: 260px;
    background: #202123;
    border-right: 1px solid #565869;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1000;
}

.sidebar-header {
    padding: 8px;
    border-bottom: 1px solid #565869;
}

.new-chat-btn {
    width: 100%;
    padding: 12px;
    background: transparent;
    color: #fff;
    border: 1px solid #565869;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    transition: background-color 0.2s;
}

.new-chat-btn:hover {
    background: #40414f;
}

.chat-history {
    flex: 1;
    padding: 8px;
    overflow-y: auto;
}

.chat-item {
    padding: 12px;
    border-radius: 6px;
    cursor: pointer;
    margin-bottom: 4px;
    font-size: 14px;
    color: #ececf1;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-item-content {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0; /* Allow text truncation */
}

.chat-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.delete-chat-btn {
    opacity: 0;
    background: none;
    border: none;
    color: #dc3545;
    padding: 4px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.delete-chat-btn:hover {
    background: rgba(220, 53, 69, 0.1);
    color: #ff4757;
}

.chat-item:hover .delete-chat-btn {
    opacity: 1;
}

.chat-item:hover {
    background: #343541;
}

.chat-item.active {
    background: #343541;
}

.chat-item.active .delete-chat-btn {
    opacity: 0.7;
}

.chat-item.deleting {
    transform: translateX(-100%);
    opacity: 0;
    pointer-events: none;
}

.chat-item i {
    font-size: 16px;
    color: #8e8ea0;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid #565869;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #ececf1;
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: #565869;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Main Content Styles */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #343541;
    overflow-x: hidden;
}

.header {
    padding: 12px 20px;
    border-bottom: 1px solid #565869;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-toggle {
    background: transparent;
    border: none;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
    position: relative;
    z-index: 1001;
}

.sidebar-toggle:hover {
    background: #40414f;
}

/* Hamburger menu icon animation */
.sidebar-toggle i {
    transition: transform 0.3s ease;
}

.sidebar-toggle.active i {
    transform: rotate(90deg);
}

.model-selector {
    display: flex;
    align-items: center;
    gap: 4px;
}

.model-selector select {
    flex: 1;
    background: #40414f;
    color: #fff;
    border: 1px solid #565869;
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 14px;
    cursor: pointer;
    min-width: 140px;
}

.model-selector select:focus {
    outline: none;
    border-color: #10a37f;
}

.refresh-models-btn {
    background: transparent;
    border: 1px solid #565869;
    color: #8e8ea0;
    padding: 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.refresh-models-btn:hover {
    background: #40414f;
    color: #fff;
    border-color: #8e8ea0;
}

.refresh-models-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.refresh-models-btn.loading i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* GitHub Link */
.github-link {
    background: transparent;
    border: 1px solid #565869;
    color: #8e8ea0;
    padding: 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 16px;
    min-width: 36px;
    height: 36px;
}

.github-link:hover {
    background: #565869;
    color: #fff;
    border-color: #6c6c80;
}

.github-link:active {
    transform: scale(0.95);
}

.model-selector select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.model-selector select option[value=""] {
    color: #8e8ea0;
    font-style: italic;
}

/* Chat Container */
.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

/* Mobile-specific chat item improvements */
@media (max-width: 768px) {
    .chat-container {
        padding: 20px 16px;
    }

    .chat-item {
        padding: 16px 12px;
        margin-bottom: 8px;
    }

    .chat-item-content {
        gap: 10px;
    }

    .delete-chat-btn {
        opacity: 1; /* Always visible on mobile */
        width: 32px;
        height: 32px;
        margin-left: 8px;
    }

    .chat-title {
        font-size: 13px;
    }

    .header-controls {
        flex-direction: column;
        gap: 8px;
        align-items: flex-end;
    }

    .model-selector select {
        min-width: 120px;
        font-size: 12px;
        padding: 6px 8px;
    }

    .example-prompts {
        grid-template-columns: 1fr;
    }

    .chat-container {
        padding: 20px 16px;
    }
}

/* Welcome Section */
.welcome-section {
    text-align: center;
    padding: 40px 20px;
}

.welcome-title h1 {
    font-size: 32px;
    margin-bottom: 8px;
    color: #fff;
}

.welcome-title p {
    font-size: 18px;
    color: #8e8ea0;
    margin-bottom: 40px;
}

.example-prompts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.prompt-card {
    background: #444654;
    border: 1px solid #565869;
    border-radius: 8px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: left;
}

.prompt-card:hover {
    background: #40414f;
    border-color: #8e8ea0;
}

.prompt-card i {
    font-size: 16px;
    color: #10a37f;
}

.prompt-card span {
    font-size: 14px;
    color: #ececf1;
}

/* Message Styles */
.message {
    margin-bottom: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.user-message .message-avatar {
    background: #5436da;
}

.assistant-message {
    background: #444654;
    margin-left: -20px;
    margin-right: -20px;
    padding: 20px;
}

.assistant-message .message-avatar {
    background: #10a37f;
}

.message-content {
    flex: 1;
    font-size: 16px;
    line-height: 1.5;
}

.message-content pre {
    background: #000;
    border-radius: 6px;
    padding: 16px;
    margin: 12px 0;
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.message-content code {
    background: #000;
    padding: 2px 4px;
    border-radius: 3px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.message-content pre code {
    background: transparent;
    padding: 0;
}

.message-images {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 8px 0;
}

.message-image {
    max-width: 300px;
    max-height: 300px;
    border-radius: 8px;
    border: 1px solid #565869;
    cursor: pointer;
    transition: transform 0.2s;
}

.message-image:hover {
    transform: scale(1.02);
}

.message-text {
    margin-top: 2px;
    line-height: 1.6;
}

.message-text h1,
.message-text h2,
.message-text h3,
.message-text h4,
.message-text h5,
.message-text h6 {
    margin: 1.5em 0 0.5em 0;
    font-weight: 600;
    line-height: 1.3;
}

.message-text h1 {
    font-size: 1.8em;
    border-bottom: 2px solid #565869;
    padding-bottom: 0.3em;
}

.message-text h2 {
    font-size: 1.5em;
    border-bottom: 1px solid #565869;
    padding-bottom: 0.3em;
}

.message-text h3 {
    font-size: 1.3em;
}

.message-text h4 {
    font-size: 1.1em;
}

.message-text h5,
.message-text h6 {
    font-size: 1em;
}

.message-text p {
    margin: 0.8em 0;
}

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

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

.message-text strong {
    font-weight: 600;
    color: #fff;
}

.message-text em {
    font-style: italic;
    color: #d1d5db;
}

.message-text code {
    background: #2d3748;
    color: #e2e8f0;
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', monospace;
    font-size: 0.9em;
    border: 1px solid #4a5568;
}

.message-text pre {
    background: #1a202c;
    border: 1px solid #4a5568;
    border-radius: 8px;
    padding: 1em;
    margin: 1em 0;
    overflow-x: auto;
    position: relative;
}

.message-text pre code {
    background: transparent;
    color: #e2e8f0;
    padding: 0;
    border: none;
    font-size: 0.9em;
    line-height: 1.5;
    display: block;
    overflow-x: auto;
}

.message-text blockquote {
    border-left: 4px solid #10a37f;
    margin: 1em 0;
    padding: 0.5em 1em;
    background: rgba(16, 163, 127, 0.1);
    border-radius: 0 6px 6px 0;
}

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

.message-text ul,
.message-text ol {
    margin: 1em 0;
    padding-left: 2em;
}

.message-text ul {
    list-style-type: disc;
}

.message-text ol {
    list-style-type: decimal;
}

.message-text li {
    margin: 0.5em 0;
    line-height: 1.6;
}

.message-text ul ul,
.message-text ol ol,
.message-text ul ol,
.message-text ol ul {
    margin: 0.5em 0;
}

.message-text table {
    border-collapse: collapse;
    margin: 1em 0;
    width: 100%;
    overflow-x: auto;
    display: block;
    white-space: nowrap;
}

.message-text table thead {
    background: #2d3748;
}

.message-text table th,
.message-text table td {
    border: 1px solid #4a5568;
    padding: 0.5em 1em;
    text-align: left;
}

.message-text table th {
    font-weight: 600;
    color: #fff;
}

.message-text table tbody tr:nth-child(even) {
    background: rgba(45, 55, 72, 0.3);
}

.message-text a {
    color: #10a37f;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.message-text a:hover {
    border-bottom-color: #10a37f;
}

.message-text hr {
    border: none;
    border-top: 1px solid #565869;
    margin: 2em 0;
}

.message-text img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 0.5em 0;
}

/* Code syntax highlighting (GitHub Dark theme) */
.message-text .hljs {
    background: #0d1117 !important;
    color: #c9d1d9 !important;
}

.message-text .hljs-comment,
.message-text .hljs-quote {
    color: #8b949e;
    font-style: italic;
}

.message-text .hljs-keyword,
.message-text .hljs-selector-tag,
.message-text .hljs-type {
    color: #ff7b72;
}

.message-text .hljs-variable,
.message-text .hljs-template-variable,
.message-text .hljs-tag,
.message-text .hljs-name,
.message-text .hljs-selector-id,
.message-text .hljs-selector-class,
.message-text .hljs-regexp,
.message-text .hljs-deletion {
    color: #ffa657;
}

.message-text .hljs-number,
.message-text .hljs-built_in,
.message-text .hljs-literal,
.message-text .hljs-params,
.message-text .hljs-meta,
.message-text .hljs-link {
    color: #79c0ff;
}

.message-text .hljs-attribute {
    color: #79c0ff;
}

.message-text .hljs-string,
.message-text .hljs-symbol,
.message-text .hljs-bullet,
.message-text .hljs-addition {
    color: #a5d6ff;
}

.message-text .hljs-title,
.message-text .hljs-section {
    color: #d2a8ff;
}

.message-text .hljs-emphasis {
    font-style: italic;
}

.message-text .hljs-strong {
    font-weight: bold;
}

/* Copy button for code blocks */
.message-text pre {
    position: relative;
}

.message-text pre:hover .copy-btn {
    opacity: 1;
}

.copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: #4a5568;
    color: #e2e8f0;
    border: none;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 12px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s, background-color 0.2s;
}

.copy-btn:hover {
    background: #2d3748;
}

.copy-btn.copied {
    background: #10a37f;
    color: white;
}

/* Task lists */
.message-text ul.task-list {
    list-style: none;
    padding-left: 1.5em;
}

.message-text ul.task-list li {
    position: relative;
}

.message-text ul.task-list li input[type="checkbox"] {
    position: absolute;
    left: -1.5em;
    top: 0.3em;
}

/* Math expressions (if MathJax is added later) */
.message-text .math {
    color: #d1d5db;
}

/* Responsive adjustments for markdown */
@media (max-width: 768px) {
    .message-text pre {
        font-size: 0.8em;
        padding: 0.8em;
    }
    
    .message-text table {
        font-size: 0.9em;
    }
    
    .message-text h1 {
        font-size: 1.5em;
    }
    
    .message-text h2 {
        font-size: 1.3em;
    }
    
    .message-text h3 {
        font-size: 1.1em;
    }
}

/* Input Area */
.input-area {
    padding: 20px;
    border-top: 1px solid #565869;
    overflow-x: hidden;
}

.input-container {
    max-width: 768px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.input-wrapper {
    position: relative;
    background: #40414f;
    border-radius: 12px;
    border: 1px solid #565869;
    display: flex;
    align-items: flex-end;
    padding: 12px;
    gap: 8px;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.input-wrapper:focus-within {
    border-color: #8e8ea0;
}

#messageInput {
    flex: 1;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 16px;
    line-height: 1.5;
    resize: none;
    outline: none;
    max-height: 200px;
    font-family: inherit;
    min-height: 24px;
    padding: 4px 0;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

#messageInput::placeholder {
    color: #8e8ea0;
}

.input-wrapper .settings-btn {
    width: 32px;
    height: 32px;
    background: #10a37f;
    border: 1px solid #10a37f;
    border-radius: 6px;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.input-wrapper .settings-btn:hover {
    background: #0ea76e;
    border-color: #0ea76e;
    transform: rotate(90deg);
}

.input-wrapper .upload-btn {
    width: 32px;
    height: 32px;
    background: #6c757d;
    border: 1px solid #6c757d;
    border-radius: 6px;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.input-wrapper .upload-btn:hover {
    background: #5a6268;
    border-color: #5a6268;
}

.uploaded-images {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 2px;
    padding: 8px;
    background: #40414f;
    border-radius: 8px;
    border: 1px solid #565869;
}

.uploaded-image {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid #565869;
}

.uploaded-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uploaded-image .remove-image {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 20px;
    height: 20px;
    background: #dc3545;
    border: none;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    opacity: 0.9;
}

.uploaded-image .remove-image:hover {
    opacity: 1;
}

/* Glow effect for connection errors */
.input-wrapper .settings-btn.connection-error {
    background: #dc3545;
    border-color: #dc3545;
    animation: settings-glow 2s ease-in-out infinite;
}

.input-wrapper .settings-btn.connection-error:hover {
    background: #c82333;
    border-color: #c82333;
    transform: rotate(90deg);
}

@keyframes settings-glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(220, 53, 69, 0.5);
    }
    50% {
        box-shadow: 0 0 15px rgba(220, 53, 69, 0.8), 0 0 25px rgba(220, 53, 69, 0.4);
    }
}

.send-btn {
    width: 32px;
    height: 32px;
    background: #19c37d;
    border: none;
    border-radius: 6px;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
    flex-shrink: 0;
}

.send-btn:disabled {
    background: #565869;
    cursor: not-allowed;
}

.send-btn:not(:disabled):hover {
    background: #0ea76e;
}

.input-footer {
    text-align: center;
    margin-top: 2px;
}

.input-footer small {
    color: #8e8ea0;
    font-size: 12px;
}

/* Sidebar backdrop for mobile */
.sidebar-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.sidebar-backdrop.show {
    opacity: 1;
    visibility: visible;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        width: 100%;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .main-content.sidebar-open {
        transform: translateX(0);
    }

    .header-controls {
        flex-direction: column;
        gap: 8px;
        align-items: flex-end;
    }

    .model-selector select {
        min-width: 120px;
        font-size: 12px;
        padding: 6px 8px;
    }

    .example-prompts {
        grid-template-columns: 1fr;
    }

    .chat-container {
        padding: 20px 16px;
    }
}

/* Desktop sidebar collapse animation */
@media (min-width: 769px) {
    .sidebar {
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .sidebar.collapsed {
        width: 0;
        transform: translateX(-100%);
        overflow: hidden;
    }
    
    .main-content {
        transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .main-content.sidebar-collapsed {
        margin-left: 0;
    }
    
    .app {
        overflow: hidden;
    }
}

/* Mobile-specific chat item improvements */
@media (max-width: 768px) {
    .chat-item {
        padding: 16px 12px;
        margin-bottom: 8px;
    }

    .chat-item-content {
        gap: 10px;
    }

    .delete-chat-btn {
        opacity: 1; /* Always visible on mobile */
        width: 32px;
        height: 32px;
        margin-left: 8px;
    }

    .chat-title {
        font-size: 13px;
    }

    .input-area {
        padding: 16px;
    }

    .assistant-message {
        margin-left: -16px;
        margin-right: -16px;
        padding: 20px 16px;
    }

    .modal {
        width: 95%;
        margin: 20px;
    }

    .modal-footer {
        flex-direction: column;
        gap: 8px;
    }

    .modal-footer .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .header-controls {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 6px;
    }

    .model-selector {
        flex: 1;
        min-width: 100px;
    }
}

/* Scrollbar Styles */
.chat-history::-webkit-scrollbar,
.chat-container::-webkit-scrollbar {
    width: 4px;
}

.chat-history::-webkit-scrollbar-track,
.chat-container::-webkit-scrollbar-track {
    background: transparent;
}

.chat-history::-webkit-scrollbar-thumb,
.chat-container::-webkit-scrollbar-thumb {
    background: #565869;
    border-radius: 2px;
}

.chat-history::-webkit-scrollbar-thumb:hover,
.chat-container::-webkit-scrollbar-thumb:hover {
    background: #8e8ea0;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-overlay.show {
    display: flex;
}

.modal {
    background: #444654;
    border-radius: 12px;
    border: 1px solid #565869;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #565869;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    color: #fff;
    font-size: 18px;
    margin: 0;
}

.modal-close {
    background: transparent;
    border: none;
    color: #8e8ea0;
    font-size: 18px;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.2s;
}

.modal-close:hover {
    color: #fff;
}

.modal-content {
    padding: 20px;
}

.setting-group {
    margin-bottom: 20px;
}

.setting-group label {
    display: block;
    color: #ececf1;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}

.setting-group input {
    width: 100%;
    background: #40414f;
    border: 1px solid #565869;
    border-radius: 6px;
    padding: 10px 12px;
    color: #fff;
    font-size: 14px;
    transition: border-color 0.2s;
}

.setting-group select {
    width: 100%;
    background: #40414f;
    border: 1px solid #565869;
    border-radius: 6px;
    padding: 10px 12px;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    transition: border-color 0.2s;
}

.setting-group input:focus,
.setting-group select:focus {
    outline: none;
    border-color: #10a37f;
}

.setting-group input[readonly] {
    background: #2d2e3a;
    color: #8e8ea0;
    cursor: not-allowed;
}

.setting-group input[readonly]:focus {
    border-color: #565869;
}

/* Input with button layout */
.input-with-button {
    display: flex;
    gap: 8px;
    align-items: center;
}

.input-with-button input {
    flex: 1;
}

.reset-btn {
    background: #40414f;
    border: 1px solid #565869;
    border-radius: 6px;
    color: #8e8ea0;
    padding: 10px 12px;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reset-btn:hover {
    background: #565869;
    color: #fff;
    border-color: #6c6c80;
}

.reset-btn:active {
    transform: scale(0.95);
}

/* Provider-specific settings visibility */
.provider-ollama,
.provider-openrouter,
.provider-custom {
    display: none;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    margin-bottom: 0;
}

.provider-ollama.show,
.provider-openrouter.show,
.provider-custom.show {
    display: block;
    opacity: 1;
    max-height: 200px;
    margin-bottom: 20px;
}

/* Override the general setting-group transitions for provider-specific ones */
.provider-ollama,
.provider-openrouter,
.provider-custom {
    transition: opacity 0.3s ease, max-height 0.3s ease, margin-bottom 0.3s ease;
}

/* Remove the conflicting transitions from general setting-group */
.setting-group {
    margin-bottom: 20px;
}

.setting-group small {
    display: block;
    color: #8e8ea0;
    font-size: 12px;
    margin-top: 4px;
}

.setting-group small a {
    color: #10a37f;
    text-decoration: none;
}

.setting-group small a:hover {
    text-decoration: underline;
}

.test-connection-btn {
    background: #565869;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 10px 16px;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.2s;
    margin-bottom: 12px;
}

.test-connection-btn:hover {
    background: #6b6c7b;
}

.test-connection-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.connection-status {
    font-size: 14px;
    padding: 8px 12px;
    border-radius: 6px;
    margin-top: 2px;
}

.connection-status.success {
    background: rgba(16, 163, 127, 0.1);
    color: #10a37f;
    border: 1px solid rgba(16, 163, 127, 0.3);
}

.connection-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid #565869;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.btn {
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.btn-primary {
    background: #10a37f;
    color: #fff;
}

.btn-primary:hover {
    background: #0ea76e;
}

.btn-secondary {
    background: transparent;
    color: #8e8ea0;
    border: 1px solid #565869;
}

.btn-secondary:hover {
    background: #40414f;
    color: #fff;
}

.btn-danger {
    background: #dc3545;
    color: #fff;
    border: 1px solid #dc3545;
}

.btn-danger:hover {
    background: #c82333;
    border-color: #bd2130;
}

/* Status indicators */
.provider-status {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-left: 8px;
}

.provider-status.connected {
    background: #10a37f;
}

.provider-status.disconnected {
    background: #ef4444;
}

.provider-status.testing {
    background: #f59e0b;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Chat animations */
@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutLeft {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(-100%);
        opacity: 0;
    }
}

.chat-item.new-chat {
    animation: slideInLeft 0.3s ease-out;
}

.chat-item.deleting {
    animation: slideOutLeft 0.3s ease-in;
}

.btn:hover {
    opacity: 0.9;
}

.small-modal {
    max-width: 400px;
    width: 90%;
}

/* Message Metadata Footer */
.message-metadata {
    margin-top: 12px;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.75rem;
    color: #9ca3af;
    line-height: 1.2;
}

.metadata-item {
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.metadata-item i {
    font-size: 0.7rem;
    opacity: 0.8;
}

.metadata-item:first-child i {
    color: #10a37f;
}

.metadata-item:nth-child(2) i {
    color: #3b82f6;
}

.metadata-item:nth-child(3) i {
    color: #f59e0b;
}

.metadata-item:nth-child(4) i {
    color: #6b7280;
}

/* Responsive metadata */
@media (max-width: 768px) {
    .message-metadata {
        font-size: 0.7rem;
        gap: 8px;
    }
    
    .metadata-item {
        gap: 3px;
    }
    
    .metadata-item i {
        font-size: 0.65rem;
    }
}

/* Dark theme adjustments for assistant messages */
.assistant-message .message-metadata {
    border-top-color: rgba(255, 255, 255, 0.05);
    color: #6b7280;
}

/* Hover effect for metadata */
.message-metadata:hover {
    color: #d1d5db;
    transition: color 0.2s ease;
}

.message-metadata:hover .metadata-item i {
    opacity: 1;
    transition: opacity 0.2s ease;
}

/* Streaming cursor animation */
.streaming-cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background-color: #10a37f;
    margin-left: 2px;
    animation: blink 1s infinite;
    vertical-align: text-bottom;
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

/* Alternative cursor implementation using ::after pseudo-element - disabled for now */
.message-text.streaming.use-after::after {
    content: '|';
    color: #10a37f;
    animation: blink 1s infinite;
    font-weight: normal;
    margin-left: 1px;
}

/* Special handling for streaming cursor in different contexts */
.message-text.streaming p:last-child::after,
.message-text.streaming h1:last-child::after,
.message-text.streaming h2:last-child::after,
.message-text.streaming h3:last-child::after,
.message-text.streaming h4:last-child::after,
.message-text.streaming h5:last-child::after,
.message-text.streaming h6:last-child::after,
.message-text.streaming li:last-child::after,
.message-text.streaming blockquote:last-child::after {
    content: '';
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background-color: #10a37f;
    margin-left: 2px;
    animation: blink 1s infinite;
    vertical-align: text-bottom;
}

/* Hide default cursor when specific elements have it */
.message-text.streaming p:last-child::after ~ *::after,
.message-text.streaming h1:last-child::after ~ *::after,
.message-text.streaming h2:last-child::after ~ *::after,
.message-text.streaming h3:last-child::after ~ *::after,
.message-text.streaming h4:last-child::after ~ *::after,
.message-text.streaming h5:last-child::after ~ *::after,
.message-text.streaming h6:last-child::after ~ *::after,
.message-text.streaming li:last-child::after ~ *::after,
.message-text.streaming blockquote:last-child::after ~ *::after {
    display: none;
}

/* Cursor for code blocks during streaming */
.message-text.streaming pre:last-child code::after {
    content: '';
    display: inline;
    background-color: #10a37f;
    width: 2px;
    height: 1em;
    margin-left: 1px;
    animation: blink 1s infinite;
    vertical-align: baseline;
}

/* Ensure cursor visibility in all themes */
.assistant-message .message-text.streaming::after,
.assistant-message .message-text.streaming p:last-child::after,
.assistant-message .message-text.streaming h1:last-child::after,
.assistant-message .message-text.streaming h2:last-child::after,
.assistant-message .message-text.streaming h3:last-child::after,
.assistant-message .message-text.streaming h4:last-child::after,
.assistant-message .message-text.streaming h5:last-child::after,
.assistant-message .message-text.streaming h6:last-child::after,
.assistant-message .message-text.streaming li:last-child::after,
.assistant-message .message-text.streaming blockquote:last-child::after {
    background-color: #10a37f;
}

/* Streaming code blocks - prevent layout shifts */
.streaming-code {
    background: #1e1e1e;
    border: 1px solid #444;
    border-radius: 8px;
    padding: 16px;
    margin: 12px 0;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    overflow-x: auto;
}

.streaming-code code {
    background: transparent;
    padding: 0;
    color: #e6e6e6;
    font-size: 14px;
    line-height: 1.5;
}

/* Streaming placeholder */
.streaming-placeholder {
    opacity: 0.7;
    font-style: italic;
}

/* Prevent layout shifts during streaming */
.message-text.streaming {
    min-height: 1.5em;
    transition: none; /* Disable transitions during streaming */
}