styles.css

:root {
    --bg-color: #ffffff;
    --bg-color-400: #c5c5c5;
    --bg-color-100: #f0f0f0;
    --bg-color-200: #e1e1e1;
    --bg-color-300: #d3d3d3;
    --primary: #008F8F;
    --negative: #E85F5F;
    --warning: #F9C964;
    --disabled: #f2f2f2;
    --text-color: #202124;
    --text-secondary: #5f6368;
    --input-focus-shadow: rgba(32, 33, 36, 0.28);
    --title-size: 24px;
    --subtitle-size: 16px;
    --body-size: 14px;
    --secondary-size: 12px;
    --bg-color-opacity: rgba(0, 0, 0, 0.05);

}

[data-theme="dark"] {
    --bg-color: #171e1d;
    --bg-color-100: #2c3332;
    --bg-color-200: #434948;
    --bg-color-300: #5b605f;
    --bg-color-400: #747978;
    --text-color: #e8eaed;
    --text-secondary: #969ba1;
    --input-focus-shadow: rgba(232, 234, 237, 0.16);
    --bg-color-opacity: rgba(255, 255, 255, 0.05);
}

body {
    font-family: 'Roboto', Arial, sans-serif;
    margin: 0;
    height: -webkit-fill-available;
    /* For Safari on iOS */
    height: 100vh;
    /* Fallback */
    height: 100dvh;
    /* Standardized property */
    overflow: hidden;
    background-color: var(--bg-color);
    color: var(--text-color);
}

button {
    padding: 0 16px;
    height: 44px;
    border-radius: 4px;
    border: 1px solid transparent;
    font-size: var(--body-size);
    cursor: pointer;
    background-color: var(--bg-color-100);
    font-family: arial, sans-serif;
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

button:hover {
    box-shadow: 0 1px 1px rgba(0, 0, 0, .1);
    border-color: var(--bg-color-400);
}

button:focus {
    border: 1px solid var(--primary);
    outline: none;
}

a {
    text-decoration: none;
}

@media (pointer:fine) {

    ::-webkit-scrollbar,
    ::-webkit-scrollbar-corner {
        background: transparent;
        height: 12px;
        width: 12px;
    }

    ::-webkit-scrollbar-thumb {
        background: content-box transparent;
        border: 2px solid transparent;
        border-radius: 10px;
        min-height: 48px;
        min-width: 48px;
    }

    @supports not (scrollbar-color:auto) {
        :hover {
            will-change: scrollbar-color;
        }
    }

    :hover::-webkit-scrollbar-thumb {
        background: content-box var(--bg-color-300);
    }

    ::-webkit-scrollbar-thumb:active,
    ::-webkit-scrollbar-thumb:hover {
        background: content-box var(--bg-color-400);
    }

    ::-webkit-scrollbar-button {
        height: 0;
        width: 0
    }

    @supports not (selector(::-webkit-scrollbar)) {
        * {
            scrollbar-color: transparent transparent;
            scrollbar-gutter: auto;
            scrollbar-width: thin
        }

        *:hover {
            scrollbar-color: var(--bg-color-400) transparent;
        }
    }
}

.action-icon {
    color: var(--text-secondary);
}

.link-button {
    text-decoration: none;
}

.action-buttons-container {
    display: flex;
    margin-top: 16px;
}


#chat-app {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* Modified: Use flex and proper padding instead of manual calculations */
#main-container {
    flex: 1;
    overflow-y: scroll;
    contain: layout;
    padding-inline-start: 12px;
}

#chat-app.empty-chat #main-container {
    display: none;
}

#logo {
    width: 75px;
    height: auto;
    margin-right: 20px;
    align-items: center;
    display: none;
}

/* Center logo when chat is empty */
#chat-app.empty-chat #logo {
    margin: 0 auto 40px;
    width: 150px;
    display: flex;
}

[data-theme="dark"] #logo circle,
[data-theme="dark"] #logo path,
[data-theme="dark"] #chat-search-icon circle,
[data-theme="dark"] #chat-search-icon path {
    fill: #ffffff;
}

/* Modified: Added explicit height for calculations */
#settings-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    gap: 10px;
    padding: 5px 10px;
    z-index: 1000;
    height: 44px;
    border-top: none;
    padding-top: env(safe-area-inset-top);
}


#settings-container button,
.code-copy-button,
.action-buttons-container button {
    background-color: unset;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    -moz-backdrop-filter: blur(20px);
    -o-backdrop-filter: blur(20px);
    padding: 0 8px;
    height: 32px;
    display: flex;
    align-items: center;
}

.code-copy-button:hover,
.action-buttons-container button:hover,
#settings-container button:hover {
    background-color: var(--bg-color-100);
}

#settings-container .buttons-group {
    display: flex;
}

#chat-container {
    flex-grow: 1;
    position: relative;
    min-height: 50px;
    /* Ensure container has height even when empty */
    padding: 20px;
    max-width: 760px;
    margin: 0 auto;
}

/* Remove margin when empty */
#chat-container:empty {
    flex-grow: unset;
    margin-bottom: 0;
    padding: 0;
}

/* Modified: Added explicit height for calculations */
#input-area {
    padding: 20px;
    align-items: center;
    display: flex;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    -moz-backdrop-filter: blur(20px);
    -o-backdrop-filter: blur(20px);
    z-index: 99;
    gap: 5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        background-color 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 868px;
    width: calc(100% - 40px);
    margin: 0 auto;
    position: sticky;
    bottom: 0;
    padding-bottom: calc(20px + env(safe-area-inset-bottom));
    flex-direction: column;
}

#thinking-animation-icon {
    vertical-align: text-top;
}

/* Adjust input area when chat is empty */
#chat-app.empty-chat #input-area {
    position: relative;
    box-shadow: none;
    align-items: center;
    gap: 20px;
    border: unset;
    background: unset;
    height: auto;
    /* Modified: Allow height to adjust in empty state */
    top: -10%;
    margin: auto;
    max-width: 600px;
}

/* Adjust input width when chat is empty */
#chat-app.empty-chat #message-input-container {
    margin-bottom: 20px;
}

/* Ensure send button is properly centered */
#chat-app.empty-chat #send-button {
    margin: 0;
    width: auto;
    display: unset;
}

/* Hide clear button when chat is empty */
#chat-app.empty-chat #new-chat-button {
    display: none;
}

#message-input {
    position: relative;
    width: calc(100% - 40px);
    resize: none;
    max-height: 40vh;
    height: auto;
    border: 1px solid var(--bg-color-200);
    border-radius: 24px;
    background-color: var(--bg-color);
    padding: 14px 48px;
    color: var(--text-color);
    font-size: var(--subtitle-size);
    font-family: 'Roboto', Arial, sans-serif;
    transition: box-shadow 0.2s;
    overflow-y: hidden;
    margin: 0;
    line-height: 1.25rem;
}

#search-icon-container {
    position: absolute;
    top: 9px;
    left: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 32px;
    width: 32px;
}

#default-search-icon {
    color: var(--text-secondary);
    display: block;
}

#chat-search-icon {
    display: block;
    height: 24px;
    width: 24px;
}

#chat-app.empty-chat #chat-search-icon {
    display: none;
}

#chat-app:not(.empty-chat) #default-search-icon {
    display: none;
}

#message-input:focus {
    outline: none;
    box-shadow: 0 1px 6px var(--input-focus-shadow);
    border-color: transparent;
}

#send-button {
    display: none;
}

#loading-indicator {
    display: flex;
    align-items: center;
}

.message {
    margin: 20px 0;
    padding: 16px;
    border-radius: 24px;
    line-height: 1.5;
    width: fit-content;
    box-size: border-box;
}

.assistant-message {
    max-width: calc(100% - 32px);
}

.user-message {
    max-width: calc(90% - 32px);
    margin-left: auto;
    margin-right: 16px;
    border-top-right-radius: 4px;
    background-color: var(--primary);
    color: white;
}

/* Dialog styles */
.dialog-overlay {
    background: rgba(0, 0, 0, 0.6);
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
}


.dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.dialog-title {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-color);
}

.dialog-close {
    background: none;
    border: 1px solid transparent;
    color: var(--text-secondary);
    font-size: var(--title-size);
    cursor: pointer;
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}


.dialog-close:focus {
    border: 1px solid var(--primary);
    outline: none;
}

#api-key-input {
    padding: 12px;
    border: 1px solid var(--bg-color-200);
    border-radius: 4px;
    font-size: var(--body-size);
    background: var(--bg-color);
    color: var(--text-color);
    max-width: 100%;
    overflow-x: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#api-key-input:focus {
    outline: none;
    border-color: var(--primary);
}

.dialog-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: 70vh;
    overflow-y: auto;
}

.dialog-description {
    color: var(--text-secondary);
    font-size: var(--body-size);
    line-height: 1.5;
    margin: 0;
}

.dialog-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
}

.dialog-footer .delete {
    margin-left: auto;
}


.icon-button .action-icon {
    margin-right: 8px;
}

#help-button {
    display: flex;
    align-items: center;
}

/* Recent sessions styles */
#recent-sessions-container {
    position: relative;
    display: none;
}

#recent-sessions-button {
    display: flex;
    align-items: center;
}

.chevron-icon {
    transition: transform 0.3s ease;
}

.chevron-icon.rotated {
    transform: rotate(180deg);
}

#sessions-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: 250px;
    max-height: 60vh;
    background-color: var(--bg-color);
    border: 1px solid var(--bg-color-200);
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: none;
    overflow-y: auto;
}

#sessions-dropdown.show {
    display: block;
}

#sessions-list {
    padding: 8px 0;
    margin: 0;
    list-style-type: none;
}

.session-item {
    padding: 8px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: background-color 0.2s;
}

.session-item:hover {
    background-color: var(--bg-color-100);
}

.session-title {
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-color);
    font-size: var(--body-size);
    height: 20px;
    line-height: 20px;
    display: block;
}

.delete-session {
    visibility: hidden;
}

.session-item:hover .delete-session {
    visibility: visible;
}

#clear-all-sessions {
    font-size: 0.8rem;
}

.delete-session:hover,
#clear-all-sessions:hover,
.delete:hover {
    color: var(--negative);
}

#sessions-header {
    padding: 8px 10px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

#sessions-footer {
    padding: 8px;
    display: flex;
    justify-content: flex-end;
}

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

.help-list li {
    padding: 8px 0;
    color: var(--text-color);
    font-size: var(--body-size);
    line-height: 1.5;
    border-bottom: 1px solid var(--bg-color-200);
}

.help-list li:last-child {
    border-bottom: none;
}

#error-icon {
    vertical-align: text-top;
    margin-right: 8px;
    color: var(--negative);
}

.error-message span {
    line-height: 1.5rem;
    text-align: left;
    display: block;
}

.error-message {
    color: var(--negative);
    text-align: center;
    justify-items: center;
    padding: 8px;
    font-size: var(--body-size);
}

.error-action-button {
    margin-top: 8px;
}


/* References section styles */
.references-header::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23202124' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-bookmark'%3E%3Cpath d='M19 21l-7-5-7 5V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2z'%3E%3C/path%3E%3C/svg%3E");
}

[data-theme="dark"] .references-header::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23e8eaed' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-bookmark'%3E%3Cpath d='M19 21l-7-5-7 5V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2z'%3E%3C/path%3E%3C/svg%3E");
}


/* Think section & references styles */
.think-section,
.references-section {
    margin: 16px 0;
    color: var(--text-secondary);
    border-radius: 16px;
    border: 1px solid var(--bg-color-200);
    padding: 16px;
    transition: all 0.2s;
    cursor: pointer;
}

.references-section {
    margin-top: 32px;
    margin-bottom: 0;
}

.think-section:hover,
.references-section:hover {
    background-color: var(--bg-color-100);
    box-shadow: 0 1px 1px rgba(0, 0, 0, .1);
    border-color: var(--bg-color-200);
}

.think-header,
.references-header {
    display: flex;
    align-items: center;
    padding: 8px 28px 8px 8px;
    font-weight: 500;
    color: var(--text-color);
    transition: all 0.2s ease;
    border-radius: 4px;
    position: relative;
}

.think-header::before,
.references-header::before {
    content: '';
    width: 16px;
    height: 16px;
    margin-right: 8px;
    background-repeat: no-repeat;
    background-position: center;
}

/* Light mode */
.think-header::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23202124' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-compass'%3E%3Ccircle cx='12' cy='12' r='10'%3E%3C/circle%3E%3Cpolygon points='16.24 7.76 14.12 14.12 7.76 16.24 9.88 9.88 16.24 7.76'%3E%3C/polygon%3E%3C/svg%3E");
}

/* Dark mode */
[data-theme="dark"] .think-header::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23e8eaed' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-compass'%3E%3Ccircle cx='12' cy='12' r='10'%3E%3C/circle%3E%3Cpolygon points='16.24 7.76 14.12 14.12 7.76 16.24 9.88 9.88 16.24 7.76'%3E%3C/polygon%3E%3C/svg%3E");
}


.think-wrapper {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.think-header:after,
.references-header:after {
    content: '';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background-repeat: no-repeat;
    background-position: center;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235f6368' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-chevron-right'%3E%3Cpolyline points='9 18 15 12 9 6'%3E%3C/polyline%3E%3C/svg%3E");
    transition: all 0.2s ease;
}

[data-theme="dark"] .think-header:after,
[data-theme="dark"] .references-header:after {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23969ba1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-chevron-right'%3E%3Cpolyline points='9 18 15 12 9 6'%3E%3C/polyline%3E%3C/svg%3E");
}

.think-header.expanded:after,
.references-header.expanded:after {
    transform: translateY(-50%) rotate(90deg);
}

.think-content,
.references-content {
    padding: 12px;
    display: none;
    margin-top: 4px;
    font-size: var(--secondary-size);
    word-break: break-word;
    max-height: 30vh;
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
}

.think-content,
.think-url-link {
    font-family: 'Roboto Mono', 'Courier New', monospace;
}

.think-content.expanded,
.references-content.expanded {
    display: block;
}

.think-url {
    gap: 8px;
    display: flex;
    align-items: center;
    transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
    opacity: 1;
    transform: translateY(0);
    max-width: 90%;
    overflow-x: auto;
    overflow-y: hidden;
}

.think-url.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
}

.think-url .favicon-container {
    width: fit-content;
    height: 16px;
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.think-url-link {
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
    flex-grow: 1;
    font-size: var(--secondary-size);
    background: linear-gradient(90deg, rgba(0, 0, 0, 0) 0%, black 50%, rgba(0, 0, 0, 0) 100%);
    background-size: 200% 100%;
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    animation: fadeText 4s infinite linear;
}

[data-theme="dark"] .think-url-link {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, white 50%, rgba(255, 255, 255, 0) 100%);
    background-size: 200% 100%;
    background-clip: text;
    -webkit-background-clip: text;
}

@keyframes fadeText {
    from {
        background-position: 200% 0;
    }

    to {
        background-position: -200% 0;
    }
}

#think-navigation-button {
    display: flex;
    flex-shrink: 0;
    flex-wrap: nowrap;
    position: relative;
}

#navigation-urls {
    padding-bottom: 20px;
}

.navigation-item {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    width: 100%;
}

.navigation-icon {
    height: 16px;
    width: 16px;
    margin-right: 8px;
    display: inline-block;
}

.navigation-link {
    color: var(--text-secondary);
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}


#footnote-label {
    display: none;
}

.markdown {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

table {
    width: 100%;
}


.markdown-inner .footnotes-sep {
    display: none;
}

.markdown-inner a {
    color: var(--primary);
    position: relative;
    text-decoration: none;
    display: inline-block;
}

.markdown-inner a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: 0;
    left: 0;
    background-color: var(--primary);
    transition: width 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.markdown-inner a:hover::after {
    width: 100%;
}

.markdown-inner .footnotes {
    font-size: var(--secondary-size);
    position: relative;
    padding: 2rem;
    color: var(--text-secondary);
}

.markdown-inner .footnotes ol {
    padding: 0;
}

ol.footnotes-list {
    padding-left: 1.5rem;
}

.markdown-inner code {
    white-space: pre-line;
    word-break: break-word;
    font-size: var(--body-size);
    display: inline-block;
    padding: 2px 4px;
    background-color: var(--bg-color-100);
    border-radius: 4px;
    font-family: monospace;
}

.user-message .markdown-inner code {
    color: var(--text-color);
}

.user-message .markdown-inner a {
    color: var(--bg-color);
}

.user-message .markdown-inner a::after {
    background-color: var(--bg-color);
}

.user-message .markdown-inner p {
    margin: 0;
}


.markdown-inner table {
    background-color: var(--bg-color-100);
    border: 1px solid var(--bg-color-200);
    border-collapse: collapse;
}

.markdown-inner table thead {
    background-color: var(--bg-color-200);
}

.markdown-inner table th,
.markdown-inner table td {
    padding: 4px;
}

.table-container {
    overflow-x: auto;
}

/* Favicon container styles */
.references-favicons {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-top: 1px solid var(--bg-color-200);
    margin-top: 8px;
}

.favicon-list {
    display: flex;
    gap: 1px;
    flex-wrap: wrap;
    align-items: center;
}

.favicon-item {
    width: 0.8em;
    height: 0.8em;
    border-radius: 4px;
    background-color: var(--bg-color-100);
    position: relative;
}

.favicon-item img {
    width: 100%;
    height: 100%;
    border-radius: 4px;
    object-fit: contain;
    position: absolute;
}

.sources-count {
    color: var(--text-secondary);
    font-size: var(--secondary-size);
    margin-left: 1em;
}

/* Message appearance animation */
.message {
    animation: messageAppear 0.3s cubic-bezier(0.0, 0.0, 0.2, 1);
}

@keyframes messageAppear {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Dialog transition improvements */


.dialog-overlay.visible .dialog {
    transform: translateY(0);
    opacity: 1;
}

/* Enhanced dialog close button */
.dialog-close:hover {
    background-color: var(--bg-color-100);
}

.dialog-close:active {
    transform: scale(0.92);
}

button,
.dialog-close,
#message-input,
#api-key-input,
.get-key-btn,
#save-api-key,
.action-icon,
.think-section,
.think-header,
#settings-container a,
.message {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dialog animation fix */
.dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    align-items: center;
    justify-content: center;

    /* Change display to be always flex, but use visibility and opacity for animation */
    display: none;
    opacity: 0;
    transition: opacity 0.225s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.dialog-overlay.visible {
    display: flex;
    opacity: 1;
    pointer-events: auto;
}

.dialog {
    background: var(--bg-color);
    border-radius: 8px;
    padding: 24px;
    width: 400px;
    max-width: 80vw;
    box-shadow: 0 24px 38px 3px rgba(0, 0, 0, 0.14),
        0 9px 46px 8px rgba(0, 0, 0, 0.12),
        0 11px 15px -7px rgba(0, 0, 0, 0.2);
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.225s cubic-bezier(0.0, 0.0, 0.2, 1),
        opacity 0.225s cubic-bezier(0.0, 0.0, 0.2, 1);
    pointer-events: auto;
}

.dialog-overlay.visible .dialog {
    transform: translateY(0);
    opacity: 1;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Toggle switch styles */
.settings-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.settings-option:last-child {
    margin-bottom: 0;
}

.settings-section .settings-option {
    margin-bottom: 0.75rem;
}

.settings-section .settings-option:last-child {
    margin-bottom: 0;
}

.settings-section {
    border-top: 1px solid var(--border-color);
}

.settings-section-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.75rem;
    opacity: 0.8;
}

.toggle-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 24px;
    background-color: var(--bg-color-200);
    border-radius: 24px;
    margin-right: 12px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.toggle-slider:before {
    content: "";
    position: absolute;
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background-color: var(--bg-color);
    border-radius: 50%;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

input:checked+.toggle-slider {
    background-color: var(--primary);
}

input:checked+.toggle-slider:before {
    transform: translateX(16px);
}

.toggle-label {
    color: var(--text-color);
    font-size: var(--body-size);
}

.settings-label {
    color: var(--text-color);
    font-size: var(--body-size);
    margin-right: 12px;
}

.settings-select {
    padding: 8px 12px;
    border: 1px solid var(--bg-color-200);
    border-radius: 4px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: var(--body-size);
    cursor: pointer;
    outline: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.settings-select:focus {
    border-color: var(--primary);
}

@keyframes highlightFootnote {
    0% {
        background-color: transparent;
    }

    10% {
        background-color: var(--warning);
    }

    90% {
        background-color: var(--warning);
    }

    100% {
        background-color: transparent;
    }
}

.footnote-highlight {
    animation: highlightFootnote 2s ease-out;
    border-radius: 5px;
}

/* Media query for smaller screens */
@media (max-width: 868px) {
    #chat-container {
        margin-left: auto;
        margin-right: auto;
    }
}

/* Modified: Updated mobile styles to adjust main container padding */
@media (max-width: 768px) {
    #logo {
        width: 50px;
        margin: unset;
    }

    #chat-app:not(.empty-chat) #input-area {
        top: unset;
        bottom: 0;
        border-top: 1px solid var(--bg-color-200);
        border-bottom: none;
        gap: 5px;
    }

    #main-container {
        padding-inline-start: 0;
    }

    .delete-session {
        visibility: visible;
    }
}

.footnote-ref a {
    display: inline-flex;
    align-items: center;
    /* Vertical centering */
    justify-content: center;
    /* Horizontal centering */
    width: 1rem;
    height: 1rem;
    background-color: var(--bg-color-100);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 50%;
    font-size: 0.7em;
    line-height: 1;
    /* Ensures consistent height */
    padding: 0;
    /* Removes any padding that might affect centering */
    text-align: center;
    /* Additional horizontal centering */
    vertical-align: middle;
    /* Additional vertical alignment */
}

#message-input::placeholder {
    color: var(--bg-color-400);
    line-height: 1.25rem;
    font-family: 'Roboto', Arial, sans-serif;
    font-size: var(--subtitle-size);
}

.footnote-ref a:hover {
    background-color: var(--bg-color-200);
    text-decoration: none;
}

.footnote-ref a:hover::after {
    width: 0;
}

.tooltip-container {
    position: relative;
    display: inline-block;
}

.tooltip {
    position: absolute;
    background-color: var(--text-color);
    color: var(--bg-color);
    font-size: var(--secondary-size);
    border-radius: 4px;
    padding: 8px 12px;
    z-index: 1;
    top: 125%;
    left: 50%;
    transform: translateX(-50%);
    max-width: 200px;
    width: max-content;
    overflow-wrap: break-word;
    white-space: normal;
    text-align: left;
    display: none;
}

#message-input-container {
    width: 100%;
    max-width: 600px;
    position: relative;
    display: flex;
}


#file-drop-area {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    border: 2px dashed var(--bg-color-200);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    display: none;
    z-index: 1;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.drag-over {
    border: 2px dashed var(--primary-color) !important;
    background-color: var(--bg-color-100);
}

#input-error-message {
    display: none;
    width: 100%;
    color: var(--negative);
    font-size: var(--body-size);
    padding-left: 32px;
}

/* File upload button styles */
#file-upload-button,
#stop-message-button {
    position: absolute;
    right: 12px;
    top: 9px;
    background-color: unset;
    padding: 0 8px;
    height: 32px;
    display: flex;
    align-items: center;
}

#stop-message-button:hover,
#file-upload-button:hover {
    background-color: var(--bg-color-100);
}

/* File preview container styles */
#file-preview-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
    padding: 8px 0;
    max-height: 150px;
    overflow-y: auto;
    margin-bottom: 8px;
}

/* File preview item styles */
.file-preview-item {
    position: relative;
    width: 64px;
    height: 64px;
    border-radius: 4px;
    overflow: hidden;
    background-color: var(--bg-color-100);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.file-preview-item img {
    max-height: 100%;
    object-fit: contain;
}

.file-preview-item .file-name {
    font-size: 0.6em;
    color: var(--text-secondary);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 80%;
    position: absolute;
    bottom: 6px;
}

.file-preview-item .remove-file {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-color);
    font-size: 10px;
    line-height: 1;
}

.file-preview-item .remove-file:hover {
    background-color: var(--negative);
    color: white;
}

.file-type-icon {
    color: var(--text-secondary);
    display: inline-flex;
    padding-bottom: 10px;
}

.message-file-icon {
    display: inline-flex;
}

.message-file-icon svg,
.file-type-icon svg {
    height: 16px;
    width: 16px;
}

/* Hide file preview container when empty */
#file-preview-container:empty {
    display: none;
}

/* Message file and image styles */
.message-image-container {
    margin: 8px 0;
}

.message-image {
    max-width: 100%;
    max-height: 300px;
    border-radius: 8px;
}

.message-file-container {
    padding: 4px;
    background-color: var(--bg-color-100);
    border-radius: 4px;
    display: inline-block;
}

.message-file-container+.message-file-container {
    margin-left: 8px;
}

.message-file-link {
    display: flex;
    align-items: center;
    color: var(--primary);
    text-decoration: none;
    line-height: 1;
}

.user-message .message-file-link {
    color: white;
}

.user-message .message-file-container {
    background-color: rgba(255, 255, 255, 0.1);
}

.user-message .message-file-name {
    font-size: 0.7em;
    padding-left: 0.2rem;
}

#stop-message-button {
    display: none;
}

#stop-icon {
    color: var(--negative);
}

/* Override the existing table border styles */
table,
th,
td {
    border: none;
    /* Remove default borders first */
    font-size: 0.9em;
}

table th .footnote-ref a,
table td .footnote-ref a {
    background-color: var(--bg-color-200);
}

/* Rounded table corners */
.markdown-inner table {
    border-radius: 8px;
    overflow: hidden;
    /* This is important to keep the border-radius visible */
    border-collapse: separate;
    /* Required for border-radius to work */
    border-spacing: 0;
    /* Ensures no gaps between cells */
    border: 1px solid var(--bg-color-200);
    /* Single border around the entire table */
}

/* Add subtle borders between cells */
.markdown-inner table td,
.markdown-inner table th {
    border-right: 1px solid var(--bg-color-200);
    border-bottom: 1px solid var(--bg-color-200);
    padding: 8px;
    /* Add some padding for better readability */
    text-align: left;
    /* Left-align all table content by default */
}

/* Remove right border from last column */
.markdown-inner table td:last-child,
.markdown-inner table th:last-child {
    border-right: none;
}

/* Remove bottom border from last row */
.markdown-inner table tr:last-child td {
    border-bottom: none;
}

/* Optional: Adjust the table header cell corners */
.markdown-inner table thead th:first-child {
    border-top-left-radius: 8px;
}

.markdown-inner table thead th:last-child {
    border-top-right-radius: 8px;
}

/* Optional: Adjust the table bottom row cell corners */
.markdown-inner table tr:last-child td:first-child {
    border-bottom-left-radius: 8px;
}

.markdown-inner table tr:last-child td:last-child {
    border-bottom-right-radius: 8px;
}


/* Code block styling to match table styling */

/* Style for code blocks */
.markdown-inner pre {
    margin: 16px 0;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--bg-color-200);
    background: none;
    /* Remove any default background */
}

.markdown-inner pre code {
    display: block;
    padding: 16px;
    border-radius: 0;
    /* Remove default border radius from code inside pre */
    border: none;
    /* Remove default borders */
    background-color: var(--bg-color-100);
    font-family: 'Roboto Mono', 'Courier New', monospace;
    font-size: var(--body-size);
    line-height: 1.5;
    white-space: pre;
    overflow-x: auto;
    width: 100%;
    box-sizing: border-box;
}

/* Style for inline code to distinguish from code blocks */
.markdown-inner code:not(pre code) {
    background-color: var(--bg-color-100);
    border-radius: 4px;
    padding: 2px 4px;
    font-family: 'Roboto Mono', 'Courier New', monospace;
    color: var(--text-color);
}

/* For dark mode */
[data-theme="dark"] .markdown-inner pre code {
    background-color: var(--bg-color-100);
}

/* Code copy button styling */
.code-copy-button {
    position: absolute;
    top: 8px;
    right: 8px;
    display: none;
}

.think-content.expanded:hover .code-copy-button,
.markdown-inner pre:hover .code-copy-button {
    display: flex;
}

.assistant-image-container {
    display: flex;
    align-items: center;
    gap: 8px;
    max-width: 100%;
    flex-wrap: wrap;
}

.assistant-image {
    max-height: 128px;
    max-width: 128px;
    object-fit: cover;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 4px;
    border: 1px solid transparent;
}

.assistant-image:hover {
    box-shadow: 0 1px 1px rgba(0, 0, 0, .1);
    border-color: var(--bg-color-400);
}

#selected-image-reference {
    max-width: calc(100% - 16px);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    margin: 20px auto;
    border: 1px solid transparent;
    border-radius: 4px;
}

#selected-image-reference:hover {
    box-shadow: 0 1px 1px rgba(0, 0, 0, .1);
    border-color: var(--bg-color-400);
}

#image-references-dialog .dialog {
    max-width: 90vw;
    max-height: 90vh;
}

/* MathJax styles */
.math {
    display: inline-block;
}

.math-display {
    display: block;
    text-align: center;
    margin: 1em 0;
}

.math-inline {
    display: inline;
}

/* Ensure MathJax elements inherit theme colors */
.MathJax {
    color: var(--text-color) !important;
}

.MathJax_Display {
    color: var(--text-color) !important;
}

/* Dark theme adjustments for MathJax */
[data-theme="dark"] .MathJax {
    color: var(--text-color) !important;
}

[data-theme="dark"] .MathJax_Display {
    color: var(--text-color) !important;
}