:root {
    --max-ui-width:                                  900px;
    --footer-stripe-height:                          29.6875rem;
    --app-font-family:                               Poppins, Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
    --root-font-size:                                16px;
    --tablet-root-font-size:                         14px;
    --mobile-root-font-size:                         13px;
    --mobile-user-input-font-size:                   16px; /* to avoid auto-zoom by mobile browsers with minimum font size restrictions */
    --sidebar-font-size:                             0.875rem;
    --font-weight-strong:                            bold;


    --top-full-width-stripe-height:                  3.5rem;
    --top-stripe-name-heavy-font-size:               1.75rem;
    --mobile-top-stripe-name-heavy-font-size:        1.6rem;
    --top-stripe-name-light-font-size:               1.5rem;
    --release-version-font-size:                     0.75rem;
    --suggestion-button-font-size:                   0.875rem;
    --suggestion-box-header-font-size:               0.875rem;
    --use-caution-font-size:                         0.875rem;
    --user-input-font-size:                          1rem;
    --gradient-btn-font-size:                        0.75rem;
    --footer-top-name-heavy-font-size:               1.7rem;
    --footer-top-name-light-font-size:               1.6rem;
    --feedback-modal-title-font-size:                1.5rem;
    --rfi-message-font-size:                         1.0rem;
    --rfi-button-font-size:                          0.75rem;

    --glow-color:                                    rgba(255, 255, 255, 0.5); /* White glow for dark mode */
    --glow-color-hover:                              rgba(255, 255, 255, 0.7);

    --color-composium-dark-blue:                     #0F1E33;
    --color-composium-dark-blue-semitrans:           rgba(15,30,51,0.5);
    --color-composium-teal:                          #63AF86;
    --color-composium-teal-semitrans:                rgba(99,175,134,0.5);
    --color-composium-mid-blue:                      #4793B3;
    --color-composium-mid-blue-semitrans:            rgba(71,147,179,0.5);
    --color-composium-peach:                         #DF6D5E;
    --color-composium-peach-semitrans:               rgba(223,109,83,0.5);
    --color-composium-tangerine:                     #DAA548;
    --color-composium-tangerine-semitrans:           rgba(218,165,72,0.5);
    --color-composium-white:                         #ffffff;
    --color-composium-black:                         black;
    --color-mentor-blue:                             #206ccf;
    --color-ted-red:                                 #eb0028;
    --color-theme-color:                             var(--color-composium-dark-blue);
    --color-theme-color2:                            #eb7d00;
    --color-theme-color-dark:                        var(--color-composium-dark-blue);
    --color-theme-dark-sky:                          rgba(22, 16, 16, 1);
   
    --color-brightest-color:                         #fff;
    --color-darkest-color:                           #000;
    --color-heading-color:                           var(--color-composium-teal);
    --color-heading-color-dark:                      var(--color-composium-teal);

    --color-default-light-color:                     rgb(210,210,210);
    --color-default-dark-color:                      var(--color-composium-dark-blue);
    --color-default-light-background:                antiquewhite;
    --color-default-dark-background:                 rgb(21,21,21);
    --color-default-dark-hover:                      #777;
    --color-default-light-hover:                     #999;

    --color-light-background-gradient-1:             #fff;
    --color-light-background-gradient-2:             #eeeded;
    --color-dark-background-gradient-1:              #222;
    --color-dark-background-gradient-2:              #282828;

    --color-link-unvisited:                          var(--color-mentor-blue);
    --color-link-visited:                            #1a0dab;
    --color-link-unvisited-dark:                     var(--color-composium-mid-blue);
    --color-link-visited-dark:                       var(--color-composium-mid-blue);
    --color-link-assistant:                          var(--color-mentor-blue);
    --color-link-assistant-dark:                     var(--color-composium-mid-blue);

    --color-release-version-color:                   var(--color-composium-mid-blue);
    --color-release-version-background:              var(--color-composium-dark-blue);
    --color-release-version-background-dark:         var(--color-composium-dark-blue);
    --color-release-version-border:                  var(--color-composium-dark-blue);
    --color-sidebar-color:                           #eee;
    --color-sidebar-background:                      #141414;
    --color-sidebar-control-background-dark:         var(--color-brightest-color);

    --color-suggestion-header-color-dark:            #444;

    --color-initial-message-first-line:              var(--color-markdown-hr-color);
    --color-initial-message-second-line:             var(--color-markdown-hr-color-dark);
    --color-top-stripe-name-heavy:                   var(--color-composium-mid-blue);
    --color-top-stripe-name-light:                   var(--color-composium-mid-blue);

    --color-suggestion-button-color:                 #777;
    --color-suggestion-button-background:            #cfe0f2;
    --color-suggestion-button-border:                var(--color-link-unvisited);
    --color-suggestion-button-hover-background:      #cfe0f2;
    --color-suggestion-button-color-dark:            #bbb;
    --color-suggestion-button-border-dark:           var(--color-link-unvisited-dark);
    --color-suggestion-button-hover-background-dark: #444;
    --color-suggestion-box-header:                   var(--color-link-unvisited);
    --color-suggestion-box-header-dark:              var(--color-link-unvisited-dark);

    --color-follow-up-color:                         #444;
    --color-follow-up-background:                    #cfe0f2;
    --color-follow-up-hover-background:              #aeccec;
    --color-follow-up-border:                        transparent;

    --color-follow-up-color-dark:                    var(--color-suggestion-button-color-dark);
    --color-follow-up-background-dark:               var(--color-suggestion-button-hover-background-dark);
    --color-follow-up-hover-background-dark:         var(--color-suggestion-button-background-dark);
    --color-follow-up-border-dark:                   var(--color-suggestion-button-border-dark);

    --color-food-for-thought-color:                         #444;
    --color-food-for-thought-background:                    #cfe0f2;
    --color-food-for-thought-hover-background:              #aeccec;
    --color-food-for-thought-border:                        transparent;

    --color-food-for-thought-color-dark:                    var(--color-suggestion-button-color-dark);
    --color-food-for-thought-background-dark:               var(--color-suggestion-button-hover-background-dark);
    --color-food-for-thought-hover-background-dark:         var(--color-suggestion-button-background-dark);
    --color-food-for-thought-border-dark:                   var(--color-suggestion-button-border-dark);

    --color-source-reference-color:                  #444;
    --color-source-reference-background:             #cfe0f2;
    --color-source-reference-hover-background:       #aeccec;
    --color-source-reference-border:                 transparent;

    --color-source-reference-color-dark:             var(--color-suggestion-button-color-dark);
    --color-source-reference-link-color-dark:        var(--color-suggestion-button-color-dark);
    --color-source-reference-background-dark:        var(--color-suggestion-button-hover-background-dark);
    --color-source-reference-hover-background-dark:  var(--color-suggestion-button-background-dark);
    --color-source-reference-border-dark:            var(--color-suggestion-button-border-dark);

    --color-background-reading-color:                #444;
    --color-background-reading-background:           #cfe0f2;
    --color-background-reading-hover-background:     #aeccec;
    --color-background-reading-border:               transparent;


    --color-background-reading-color-dark:           var(--color-suggestion-button-color-dark);
    --color-background-reading-link-color-dark:      var(--color-suggestion-button-color-dark);
    --color-background-reading-background-dark:      var(--color-suggestion-button-hover-background-dark);
    --color-background-reading-hover-background-dark:var(--color-suggestion-button-background-dark);
    --color-background-reading-border-dark:          var(--color-suggestion-button-border-dark);


    --color-placeholder:                             #444;
    --color-placeholder-dark:                        #bbb;
    --color-send-button-hover-background:            #888;
    --color-send-button-background:                  var(--color-composium-mid-blue);
    --color-send-button-background-dark:             var(--color-composium-mid-blue);
    --color-send-button-border:                      #999;
    --color-send-button-border-dark:                 #000;
    --color-new-conv-button-hover-background:        #888;
    --color-new-conv-button-background:              var(--color-composium-mid-blue);
    --color-new-conv-button-background-dark:         var(--color-composium-mid-blue);
    --color-new-conv-button-border:                  #999;
    --color-new-conv-button-border-dark:             #000;
    --color-gradient-button-background:              #d0daf5;
    --color-gradient-button-background-dark:         #637497;
    --color-gradient-button-hover-background:        #9aa1b7;
    --color-gradient-button-hover-background-dark:   #37454e;
    --color-gradient-button-color:                   #606060;
    --color-gradient-button-color-dark:              var(--color-default-light-color);
    --color-gradient-button-border:                  #a39f9f;
    --color-gradient-button-border-dark:             #a39f9f;
    --color-icon-background:                         #c6ddec;
    --color-user-icon-border:                        #3d3d3d;
    --color-user-icon-border-dark:                   #4A90E2;
    --color-user-icon-background-dark:               #c8d3ea;
    --color-assistant-icon-border:                   var(--color-theme-color);
    --color-assistant-icon-border-dark:              var(--color-theme-color);
    --color-assistant-icon-background-dark:          #fff;

    --color-assistant-message-color:                 var(--color-default-dark-color);
    --color-assistant-message-color-dark:            var(--color-default-light-color);
    --color-assistant-message-background:            transparent;
    --color-assistant-message-background-dark:       transparent;

    --color-rfi-color:                               var(--color-default-dark-color);
    --color-rfi-color-dark:                          var(--color-default-light-color);
    --color-rfi-background-color:                    rgba(208,208,208,0.85);
    --color-rfi-background-color-dark:               rgba(20, 20, 20, 0.85);
    --color-rfi-border-color:                        #3d3d3d;
    --color-rfi-border-color-dark:                   #a39f9f;
    --color-rfi-title-color:                         var(--color-default-dark-color);
    --color-rfi-title-color-dark:                    var(--color-default-light-color);
    --color-rfi-title-background-color:              var(--color-rfi-border-color);
    --color-rfi-title-background-color-dark:         var(--color-rfi-border-color-dark);
    --color-rfi-hover-background-color:              var(--color-default-light-hover);
    --color-rfi-hover-background-color-dark:         var(--color-default-dark-hover);
    
    

    --color-modal-backdrop-background:               rgba(240,240,240,0.6);
    --color-modal-backdrop-background-dark:          rgba(30,30,30,0.6);
    --color-feedback-modal-color-dark:               #aaa;
    --color-feedback-modal-background:               var(--color-brightest-color);
    --color-feedback-modal-background-dark:          #222;
    --color-feedback-modal-border:                   #777;
    --color-feedback-modal-border-dark:              var(--color-default-light-background);
    --color-feedback-modal-box-shadow:               rgba(127,127,127,0.9);
    --color-feedback-modal-content-border:           #777;


    --color-chat-color-dark:                         #ddd;
    --color-user-input-background:                   #eee;
    --color-user-input-border:                       #888;
    --color-user-input-border-hover:                 #000;
    --color-user-input-background-dark:              #232323;
    --color-user-input-border-dark:                  #a0a0a0;

    --color-user-message-color:                      var(--color-default-dark-color);
    --color-user-message-color-dark:                 var(--color-default-light-color);
    --color-user-message-background:                 #ccc;
    --color-user-message-background-dark:            #222;
    --color-user-message-border:                     #A0A0A0;
    --color-user-message-border-dark:                #505050;

    --color-message-toolbar-color:                   var(--color-default-dark-color);
    --color-message-toolbar-color-dark:              var(--color-default-light-color);
    --color-message-tool-icon-hover-border-dark:     var(--color-default-dark-color);
    --color-markdown-pre-background:                 #eee;
    --color-markdown-pre-background-dark:            #333;
    --color-markdown-pre-color:                      #333;
    --color-markdown-pre-color-dark:                 #ccc;
    --color-markdown-pre-border:                     var(--color-composium-teal);
    --color-markdown-pre-border-dark:                var(--color-composium-teal);
    --color-markdown-pre-code:                       #333;
    --color-markdown-pre-code-dark:                  #ccc;
    --color-markdown-table-color:                    var(--color-markdown-reading-color);
    --color-markdown-table-color-dark:               var(--color-markdown-reading-color-dark);
    --color-markdown-table-background:               var(--color-markdown-reading-background);
    --color-markdown-table-background-dark:          var(--color-markdown-reading-background-dark);
    --color-markdown-table-border:                   var(--color-background-reading-border);
    --color-markdown-table-border-dark:              var(--color-background-reading-border-dark);
    --color-markdown-table-header-color:             var(--color-user-message-background);
    --color-markdown-table-header-color-dark:        var(--color-user-message-background-dark);
    --color-markdown-hr-color:                       var(--color--link-unvisited);
    --color-markdown-hr-color-dark:                  var(--color-assistant-message-color-dark);
    --color-use-caution-color-dark:                  #bbb;
    --color-footer-stripe-a-link:                    var(--color-composium-mid-blue);
    --color-footer-top-color:                        var(--color-brightest-color);
    --color-footer-top-name:                         var(--color-composium-mid-blue);
    --color-footer-stripe-background:                var(--color-darkest-color);
    --color-footer-columns-background:               transparent;
    --color-footer-list-color:                       var(--color-brightest-color);
    --color-modal-backdrop-background:               rgba(240,240,240,0.6);
    --color-modal-backdrop-background-dark:          rgba(30,30,30,0.6);
    --color-feedback-modal-color-dark:               #aaa;
    --color-feedback-modal-background:               var(--color-brightest-color);
    --color-feedback-modal-background-dark:          #222;
    --color-feedback-modal-border:                   #777;
    --color-feedback-modal-border-dark:              var(--color-default-light-background);
    --color-feedback-modal-box-shadow:               rgba(127,127,127,0.9);
    --color-feedback-modal-content-border:           #777;
    --color-login-signup-modal-background:           var(--color-brightest-color);
    --color-login-signup-modal-background-dark:      var(--color-default-dark-color);
    --color-login-signup-modal-border:               #777;
    --color-login-signup-modal-border-dark:          var(--color-default-light-background);
    --color-login-signup-modal-box-shadow:           rgba(0,0,0,0.15);
    --color-login-signup-modal-box-shadow-dark:      rgba(0,0,0,0.4);
    --color-signup-form-container-border:            #ddd;
    --color-signup-form-container-box-shadow:        rgba(0,0,0,0.1);
    --color-signup-form-input-border:                #ddd;
    --color-signup-form-input-color:                 var(--color-default-dark-color);
    --color-signup-form-input-color-dark:            var(--color-default-light-color);
    --color-signup-form-button-color:                var(--color-brightest-color);
    --color-signup-form-button-hover-background:     #1b4883;
    --color-signup-form-button-background:           var(--color-mentor-blue);
    --color-auth-input-background:                   var(--color-brightest-color);
    --color-auth-input-background-dark:              #2a2a2a;
    --color-auth-input-border:                       #ddd;
    --color-auth-input-border-dark:                  #444;
    --color-auth-input-color:                        var(--color-default-dark-color);
    --color-auth-input-color-dark:                   var(--color-default-light-color);
    --color-auth-input-placeholder:                  #999;
    --color-auth-input-placeholder-dark:             #888;
    --color-auth-description-color:                  #666;
    --color-auth-description-color-dark:             #aaa;
    --color-auth-link-color:                         var(--color-composium-teal);
    --color-auth-link-hover:                         #005555;
    --color-auth-link-hover-dark:                    #00aaaa;
    --color-auth-link-separator:                     #ccc;
    --color-auth-link-separator-dark:                #555;
    --color-auth-rules-background:                   #f8f9fa;
    --color-auth-rules-background-dark:              #2a2a2a;
    --color-auth-rules-color:                        #666;
    --color-auth-rules-color-dark:                   #888;
}

* {
    box-sizing: border-box;
    font-family: var(--app-font-family);
}

html, body {
    min-height: calc(100dvh + var(--footer-stripe-height));
    font-size: var(--root-font-size);
    -webkit-text-size-adjust: 100%; /* Prevent font scaling in landscape while allowing user zoom */
}


body {
    display:               flex;
    flex-direction:        column;
    align-items:           center;
    font-size:             var(--main-font-size);
    line-height:           1.5;
    background-attachment: fixed;  /* This fixes the image in place while scrolling */
    color:                 var(--color-default-dark-color); 
    max-width:             var(--max-ui-width);
    margin:                0.3125rem auto;
    padding:               0.3125rem;
    font-weight:           400;
}






/* GENERAL STYLING TOOLS *********************************************************/

/* link sharing */

.a2a_kit > a > img {
    border-radius: 0.375rem;
    border: 0.1px solid #888;
    margin-left:0.375rem;
}

.a2a_kit {
    margin-left: 2rem;
    width:100%;
    justify-content: right;
    display:flex;
}

/* Font Weight */
b, strong {
    font-weight: var(--font-weight-strong);
}

/* Text Animation */

/* Create the shimmering animation */
@keyframes shimmer {
    0% {
      background-position: 200% 0;
    }
    50% {
      background-position: 0% 0;
    }
    100% {
      background-position: -200% 0;
    }
  }
  
  /* Apply the animation to the text */
  .shimmer-text {
    background: linear-gradient(90deg, rgba(71,147,79,1) 25%, rgba(0,0,0,1) 50%, rgba(18,165,72,1) 75%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 5s linear infinite;
  }
  
    

/* Mermaid errors */

.mermaid .error-text, .mermaid .error-icon, .language-mermaid .error-text, .language-mermaid .error-icon {
    display: none;
}

/* Unvisited links */

.language-language-italic, .language-italic {
    font-style   : italic;
    font-family  : var(--app-font-family) !important;
    padding: 0.375rem;
    display:block;
    border: 0.0625rem solid var(--color-user-message-border);

}


a:link {
    color: var(--color-link-unvisited); /* Standard link color */
}

a:hover {
    text-decoration: underline;
}

/* Visited links */
a:visited {
    color: var(--color-link-visited); /* Color for visited links */
}

.flex-grow-space {
    flex-grow: 1; /* This element will grow to fill available space */
}

.fadeIt {
    transition: opacity 0.3s ease-out;
    opacity: 1;
}

.fadeItModal {
    transition: opacity 0.3s ease-out;
    opacity: 1;
}

.hidden {
    opacity: 0 !important;
    transition: opacity 0.2s ease-out;
    pointer-events: none !important; /* Prevents click events while hidden */
    box-shadow: none;
    animation-play-state: paused;
    display:none !important;
}







/* HEADER ***********************************************************************/

.top-full-width-stripe {
    position: absolute;
    top: 0;
    width: 100dvw;
    height: var(--top-full-width-stripe-height);
    padding-top: 0;
    margin-top: 0;
    background-color: var(--color-theme-color-dark);
    z-index: 1;
}

.top-stripe {
    height: 2.8125rem;
    width: 100dvw;
    max-width: 95dvw;
    background-color: var(--color-theme-color-dark);
    display: flex;
    padding-top: 0;
    padding-bottom: 0;
    margin-top: 0;
    margin-bottom: 0;
    margin: 0;
    color: var(--color-brightest-color);
    border-radius: 0;
    align-items: center;
    z-index: 2;
    visibility: hidden;  /* Hidden until JS finishes setup */
}

.top-stripe-name-heavy {
    font-size: var(--top-stripe-name-heavy-font-size);
    margin-left: 0.625rem;
    margin-right: 0;
    color: var(--color-top-stripe-name-heavy);
    font-weight: 400;
}

.top-stripe-name-light {
    font-size: var(--top-stripe-name-light-font-size);
    margin-left: 0;
    color: var(--color-top-stripe-name-light);
    padding-top: 0.0625rem;
    font-weight: 250;
}

.composium-link-stripe:link {
    margin-right: 0.625rem;
}

.composium-link-stripe:hover {
    text-decoration: underline;
}


.release-version {
    font-style: italic;
    font-size: var(--release-version-font-size);
    font-weight: 200;
    padding: 0.3125rem;
    color: var(--color-release-version-color);
    border: 0.0625rem solid var(--color-mentor-blue);
    background-color: var(--color-release-version-background);
    border-radius: 0.3rem;
    text-shadow: none;
}

.stripe-release-version {
    font-weight: 300;
}

.tedxsup {
    vertical-align: +0.3rem
}

.tedxsup-stripe {
    vertical-align: -0.09rem;
}

.top-stripe > a:link, .top-stripe > a:visited {
    color: var(--color-composium-mid-blue);
    text-decoration: none;
    background: none;
    font-weight: 400;
}

.top-stripe > a:hover {
    text-decoration: underline;
}

.below-top {
    display: flex;
    flex-direction: row;
    width: 90%; 
    max-width: var(--max-ui-width);
    background-color: var(--color-theme-color-dark);
    color: var(--color-brightest-color);
    z-index: 2;
}



/* MAIN *************************************************************************/
/* Default light theme styles for other elements */
.user-message, .assistant-message, .user-input {
    color: var(--color-default-dark-color); /* Dark text for light background */
}

.app-container {
    width: 100dvw;
    min-height: calc(100dvh - 6rem - var(--top-full-width-stripe-height));
    position: relative;
    margin: 0;
    padding: 0;
    display:flex;
    flex-direction: row;
    background-color: var(--color-light-background-gradient-1);
}

.main-container {
    width: 100dvw;
    min-height: calc(100dvh - 6rem - var(--top-full-width-stripe-height));
    display: flex;
    flex-direction: column;
    padding: 0;
    margin: 0;
    margin-left: auto;
    margin-right: auto;
    max-width: var(--max-ui-width);
    transition: width 0.5s ease-in-out;
}

.left-sidebar {
    width: 0;
    position: sticky;
    display: flex;
    top: var(--top-full-width-stripe-height);
    height: calc(100dvh - var(--top-full-width-stripe-height));
    background-color: var(--color-sidebar-background);
    color: var(--color-sidebar-color);
    display: flex;
    flex-direction: column;
    transition: width 0.5s ease, opacity 0.5s ease;
    margin-top: 0;
    margin-bottom: 0;
    padding-top: 0;
    padding-bottom: 0;
    z-index: 100;
    overflow-y:auto;
}

.left-sidebar ul {
    padding: 0;
}

.left-sidebar li {
    list-style-type: none;
    text-align: center;
}

/* Conversation list uses gap for spacing (no margin collapsing issues) */
#conversation-list {
    display: flex;
    flex-direction: column;
    gap: 0.3125rem;  /* 5px between items */
    padding: 0.25rem;
    margin: 0;
}

.ls-top, .ls-middle, .ls-bottom, .ls-account, .ls-below-the-fold {
    width: 100%;
    margin: auto;
    padding-left: 0.5rem;
    text-align: center;
    flex-grow: 1;
    pointer-events: inherit;
    opacity: inherit;
    display: flex;
    justify-content: center;
    align-content: center;
    flex-direction: column;
}

.ls-top {
    flex-grow: 0;
    text-align: left;
    margin-top: 1rem;
    justify-content: flex-start;
}

.ls-middle {
    flex-grow:5;
    text-align: left;
    margin-top: 1rem;
}

.ls-account {
    flex-grow: 0;
    padding: 0.625rem;
}

.ls-middle-title {
    color: var(--color-heading-color-dark);
    font-size: 0.875rem;
    opacity: 0.7;
    border-radius: 0.3125rem;
}

.ls-account > .auth-indication {
    cursor: pointer;
}

/* Login/Signup button - ghost button style for both light/dark modes */
.auth-login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem 1rem;
    margin: 0.5rem 0;
    background: transparent;
    border: 2px solid var(--color-composium-teal);
    border-radius: 0.5rem;
    color: var(--color-composium-teal);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 0 0 0 rgba(99, 175, 134, 0);
}

.auth-login-btn:hover {
    background: var(--color-composium-teal);
    border-color: var(--color-composium-teal);
    color: #fff;
    box-shadow: 0 0 20px rgba(99, 175, 134, 0.4);
    transform: scale(1.02);
}

.auth-login-btn:active {
    transform: scale(0.98);
    box-shadow: 0 0 10px rgba(99, 175, 134, 0.3);
}

/* Sidebar auth buttons container - two buttons styled like main auth */
.sidebar-auth-buttons {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
    width: 100%;
    padding: 0.5rem 0;
}

.sidebar-auth-buttons .main-auth-btn {
    flex: 1;
    justify-content: center;
    padding: 0.5rem 0.75rem;
}

.ls-account > a > button {
    background-color: var(--color-default-dark-background);
    color: var(--color-default-light-color);
    border: 0.0625rem solid var(--color-mentor-blue);
}

.ls-account > button:hover {
    background-color: var(--color-default-dark-hover);
}

.ls-below-the-fold {
    width: 0;
    position: sticky;
    display: flex;
    top: calc(100dvh + 1px);
    left: 0;
    background-color: var(--color-sidebar-background);
    color: var(--color-sidebar-color);
    display: flex;
    flex-direction: column;
    transition: width 0.5s ease, opacity 0.5s ease;
    margin-top: 0;
    margin-bottom: 0;
    padding-top: 0;
    padding-bottom: 0;
    flex-grow: 5;
    border: 1px solid green;
}

.conversation-entry-option-button {
    margin-left: auto;
    background-color: transparent;
    border: none;
    border-radius: 0.3125rem;
    padding: 0 0.25rem;
    opacity: 0;
    color: #AAA;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    transition: opacity 0.15s ease;
}

/* Show option button when hovering entry or the button itself */
.conversation-entry:hover .conversation-entry-option-button,
.conversation-entry-option-button:hover {
    opacity: 1;
}

/* Popup menu - matches auth button aesthetic */
.conversation-entry-option-button-popup {
    display: block;
    position: fixed;
    background-color: rgba(30, 30, 30, 0.95);
    border: 1px solid var(--color-composium-teal);
    border-radius: 0.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), 0 0 15px rgba(99, 175, 134, 0.15);
    z-index: 10000;
    backdrop-filter: blur(8px);
    padding: 0.19rem 0;
    /* Transition in/out */
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.conversation-entry-option-button-popup.visible {
    opacity: 1;
    transform: translateY(0);
}

.conversation-entry-option-button-popup-item {
    padding: 0.47rem 0.94rem;
    margin: 0.19rem 0.375rem;
    cursor: pointer;
    border-radius: 0.375rem;
    color: #e0e0e0;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.conversation-entry-option-button-popup-item:hover,
.conversation-entry-option-button-popup-item.hover {
    background-color: var(--color-composium-teal);
    color: #fff;
    box-shadow: 0 0 10px rgba(99, 175, 134, 0.3);
}

/* Item with submenu - add arrow indicator */
.conversation-entry-option-button-popup-item-has-submenu {
    position: relative;
    padding-right: 2rem;
}

.conversation-entry-option-button-popup-item-has-submenu::after {
    content: "›";
    position: absolute;
    right: 0.75rem;
    font-size: 1.1em;
    opacity: 0.7;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.conversation-entry-option-button-popup-item-has-submenu:hover::after {
    opacity: 1;
    transform: translateX(2px);
}

/* Submenu container */
.conversation-entry-option-button-submenu {
    position: absolute;
    left: 100%;
    top: -0.38rem;
    background-color: rgba(30, 30, 30, 0.95);
    border: 1px solid var(--color-composium-teal);
    border-radius: 0.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), 0 0 15px rgba(99, 175, 134, 0.15);
    z-index: 10001;
    min-width: 11rem;
    margin-left: 0.28rem;
    backdrop-filter: blur(8px);
    padding: 0.19rem 0;
    /* Transition in/out */
    opacity: 0;
    transform: translateX(-4px);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.conversation-entry-option-button-submenu.visible {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

/* Inline edit for conversation summary */
.conversation-entry-text.editing {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.conversation-entry-edit-input {
    flex: 1;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-composium-teal);
    border-radius: 0.25rem;
    color: inherit;
    padding: 0.25rem 0.5rem;
    font-size: inherit;
    font-family: inherit;
    outline: none;
    min-width: 0;
}

.conversation-entry-edit-input:focus {
    box-shadow: 0 0 0 2px rgba(99, 175, 134, 0.3);
}

.conversation-entry-edit-cancel {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    padding: 0.125rem 0.375rem;
    font-size: 0.875rem;
    border-radius: 0.25rem;
    transition: color 0.2s ease, background-color 0.2s ease;
    flex-shrink: 0;
}

.conversation-entry-edit-cancel:hover {
    color: rgba(255, 255, 255, 0.9);
    background-color: rgba(255, 255, 255, 0.1);
}

/* Fade transition for summary text change */
.conversation-entry-text.fade-out {
    opacity: 0;
    transition: opacity 1s ease;
}

.conversation-entry-text.fade-in {
    opacity: 1;
    transition: opacity 1s ease;
}

/* Toast notification */
.toast-notification {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(1rem);
    background-color: rgba(30, 30, 30, 0.95);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--color-composium-teal);
    border-radius: 0.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), 0 0 15px rgba(99, 175, 134, 0.2);
    z-index: 10002;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    font-size: 0.875rem;
    backdrop-filter: blur(8px);
}

.toast-notification-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Copy modal - styled like auth modal */
.copy-modal-backdrop {
    position: fixed;
    inset: 0;
    background: var(--color-modal-backdrop-background);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9998;
}

.copy-modal {
    display: flex;
    flex-direction: column;
    width: 90%;
    max-width: 700px;
    max-height: 85vh;
    padding: 2rem;
    background-color: var(--color-login-signup-modal-background);
    border: none;
    border-radius: 1rem;
    box-shadow: 0 0.25rem 1.5rem 0 var(--color-login-signup-modal-box-shadow);
    gap: 1.25rem;
}

.copy-modal-textarea {
    flex: 1;
    width: 100%;
    min-height: 350px;
    padding: 1rem;
    background-color: var(--color-auth-input-background);
    border: 1px solid var(--color-auth-input-border);
    border-radius: 0.625rem;
    font-family: monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--color-auth-input-color);
    resize: none;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.copy-modal-textarea:focus {
    outline: none;
    border-color: var(--color-composium-teal);
    box-shadow: 0 0 0 4px rgba(99, 175, 134, 0.1);
}

.copy-modal-buttons {
    display: flex;
    gap: 0.75rem;
}

.copy-modal-btn {
    flex: 1;
    padding: 0.875rem;
    border: 1px solid var(--color-composium-teal);
    border-radius: 0.625rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    background-color: transparent;
    color: var(--color-composium-teal);
}

.copy-modal-btn:hover {
    background-color: var(--color-composium-teal);
    border-color: var(--color-composium-teal);
    color: #fff;
}

.copy-modal-btn-primary {
    background-color: var(--color-gradient-button-background);
    color: var(--color-gradient-button-color);
    border: none;
}

.copy-modal-btn-primary:hover {
    background-color: var(--color-gradient-button-hover-background);
}

.copy-modal-btn-primary:active {
    opacity: 0.8;
}

.conversation-entry-option-button:active {
    mask-image:none;
}

.conversation-entry-text {
    margin-right: 0.25rem;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    cursor:pointer;
}

/*
 * Conversation Entry - Stable Box Model
 *
 * All states (normal, hover, selected) have IDENTICAL outer dimensions.
 * Only visual properties (background, border-color) change between states.
 * This eliminates layout shifts during state changes and animations.
 */
.conversation-entry {
    box-sizing: border-box;
    height: 2.125rem;
    width: 100%;
    margin: 0;  /* No margins - container gap handles spacing */
    padding: 0.375rem 0.375rem 0.375rem 0.5rem;
    border: 1px solid transparent;  /* Always present - color changes on select */
    border-radius: 0.3125rem;
    text-align: left !important;
    font-size: var(--sidebar-font-size);
    display: flex;
    flex-direction: row;
    align-items: center;
    position: relative;
    cursor: pointer;
    /* Only transition visual properties, not layout */
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

/* Hover: visual change only */
.conversation-entry:hover,
.conversation-entry-popup-open {
    background-color: #282828;
}

/* Active: visual change only */
.conversation-entry:active {
    background-color: #333;
}

/* Selected: visual change only (border becomes visible) */
.conversation-entry-selected {
    background-color: #282828;
    border-color: #444;
}


.conversation-control-text {
    margin-right: 0.25rem;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    cursor:pointer;
}


.conversation-control {
    height: 2.125rem;
    width: 100%;
    border-radius: 0.3125rem;
    margin: 0.3125rem;
    margin-left:0.25rem;
    padding: 0.3125rem;
    padding-left:0;
    text-align: left !important;
    font-size: var(--sidebar-font-size);
    display:flex;
    flex-direction: row;
    position: relative;
}

.conversation-control:hover {
    background-color: #282828;
}

.conversation-control:active {
    background-color: #333;
    color: #AAA;
}


.conversation-control-selected {
    background-color: #282828;
    border: 1px solid var(--color-composium-mid-blue);
    padding-top: 0.25rem;
    padding-left: 0.25rem;
    margin-left: -0.125rem;
}

/* Share control popup */
.share-control {
    position: relative;
    cursor: pointer;
}

.share-control.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.share-popup {
    position: fixed;
    background: #2a2a2a;
    border: 1px solid #666;
    border-radius: 0.5rem;
    padding: 0.25rem 0;
    min-width: 10rem;
    z-index: 99999;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    display: none;
}

.share-popup.visible {
    display: block !important;
}

.share-popup-item {
    padding: 0.5rem 1rem;
    cursor: pointer;
    white-space: nowrap;
    color: var(--color-conversation-entry-popup-text, #eee);
    transition: background-color 0.15s ease;
}

.share-popup-item:hover {
    background-color: var(--color-conversation-entry-popup-hover, #3a3a3a);
}

.share-popup-item:active {
    background-color: var(--color-conversation-entry-popup-active, #444);
}


.sidebar-control {
    height: 2.5rem;
    width: 0.625rem;
    margin-left: 0.625rem;
    margin-top: 0;
    margin-bottom: 0;
    margin-right: -1.3rem;
    padding-top:    calc(50dvh - 2.5rem - var(--top-full-width-stripe-height));
    padding-bottom: calc(50dvh - 2.5rem + var(--top-full-width-stripe-height));
    opacity: 50%;
    position: sticky;
    top: var(--top-full-width-stripe-height);
    display: none;
    z-index: 50;
}

.sidebar-control-top-half, .sidebar-control-bottom-half {
    height: 1.125rem;
    width: 0.3125rem;
    background-color: var(--color-sidebar-background);
    margin-left: 0.1875rem;
    margin-right: 0.1875rem;
    border-radius: 0.3125rem;
    transition: 0.5s;
    transition-timing-function: ease;
}


.sidebar-control:hover {
    opacity: 100%;
}

.sidebar-control-top-half {
    transform: translate(0, 0.1875rem);
}

.sidebar-control-bottom-half {
    transform: translate(0, -0.1875rem);
}

.sidebar-control:hover .sc-point-left.sidebar-control-top-half {
    transform: rotate(30deg) translate(0, 0.1875rem);
}

.sidebar-control:hover .sc-point-left.sidebar-control-bottom-half {
    transform: rotate(-30deg) translate(0, -0.1875rem);
}

.sidebar-control:hover .sc-point-right.sidebar-control-top-half {
    transform: rotate(-30deg) translate(0, 0.1875rem);
}

.sidebar-control:hover .sc-point-right.sidebar-control-bottom-half {
    transform: rotate(30deg) translate(0, -0.1875rem);
}

.infoboothlist {
    border: 1px solid red;
    border-radius: 5px;
    padding: 10px;
    margin: 10px;
}






/* CHAT BOX *********************************************************************/
/* CHAT BOX */
.chat-box {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: var(--max-ui-width);
    min-height: calc(100vh - 6rem - var(--top-full-width-stripe-height));
    margin: 0 auto;
    margin-top: 0;
    margin-bottom: 0;
    align-items: center;
    position: relative;
}

.chat-box::-webkit-scrollbar {
    display: none;
}


.chat-box {
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}


.suggestion-box {
    width: 100%;
    height: 12rem;
    padding: 0;
    margin: 0;
    align-items: center;
    vertical-align: center;
    position: absolute;
    bottom: 0.625rem;
}

.suggestion-button-row {
    display: flex;
    width: 100%;
    height: 45%;
    justify-content: center;
    align-items: center;
    vertical-align: middle;
    padding-bottom: 0;
    padding-top: 0.625rem;
    margin: 0;
}

.follow-up {
    border: 0.0625rem solid var(--color-follow-up-border);
    border-radius: 0.3125rem;
    font-weight: 300;
    padding: 0.3125rem;
    margin: 0.625rem;
    margin-left: 0.3125rem;
    margin-right: 0.3125rem;
    transition: 0.3s;
    list-style-type: none;
    color: var(--color-follow-up-color);
    background-color: var(--color-follow-up-background);
    cursor: pointer;
    flex:grow 1;
}

.follow-up:hover {
    background-color: var(--color-follow-up-hover-background);
}

.follow-up > a {
    color: var(--color-follow-up-color);
    text-decoration: none;
}

.food-for-thought {
    border: 0.0625rem solid var(--color-food-for-thought-border);
    border-radius: 0.3125rem;
    font-weight: 300;
    padding: 0.3125rem;
    margin: 0.625rem;
    margin-left: 0.3125rem;
    margin-right: 0.3125rem;
    transition: 0.3s;
    list-style-type: none;
    color: var(--color-food-for-thought-color);
    background-color: var(--color-food-for-thought-background);
    cursor: pointer;
}

.food-for-thought:hover {
    background-color: var(--color-food-for-thought-hover-background);
}

.food-for-thought > a {
    color: var(--color-food-for-thought-color);
    text-decoration: none;
}

.source-reference {
    border: 0.0625rem solid var(--color-source-reference-border);
    border-radius: 0.3125rem;
    font-weight: 300;
    padding: 0.3125rem;
    padding-left: 2em;
    margin: 0.625rem;
    margin-left: 0.3125rem;
    margin-right: 0.3125rem;
    transition: 0.3s;
    color: var(--color-source-reference-color);
    background-color: var(--color-source-reference-background);
    cursor: pointer;
    position: relative;
}

.source-reference:hover {
    background-color: var(--color-source-reference-hover-background);
}

.source-reference > a, .source-reference > a:visited {
    color: var(--color-source-reference-color) !important;
    font-weight: 300;
    text-decoration: none !important;
}

.source-reference[data-year]::before {
    content: attr(data-year);
    position: absolute;
    left: 0.25em;
    top: 50%;
    transform: translateY(-50%) rotate(-90deg);
    transform-origin: center center;
    font-size: 0.75rem;
    font-weight: 300;
    color: var(--color-source-reference-color);
    white-space: nowrap;
}

.background-reading {
    border: 0.0625rem solid var(--color-background-reading-border);
    border-radius: 0.3125rem;
    font-weight: 300;
    padding: 0.3125rem;
    margin: 0.625rem;
    margin-left: 0.3125rem;
    margin-right: 0.3125rem;
    transition: 0.3s;
    list-style-type: none;
    color: var(--color-background-reading-color);
    background-color: var(--color-background-reading-background);
    cursor: pointer;
}

.background-reading:hover {
    background-color: var(--color-background-reading-hover-background);
}


.background-reading > a, .background-reading > p > a, .background-reading > a:visited, .background-reading > p > a:visited {
    color: var(--color-background-reading-color) !important;
    text-decoration: none !important;
}

.suggestion-button {
    width: 50%;
    height: 100%;
    border: 0.0625rem solid var(--color-suggestion-button-border);
    border-radius: 1.25rem;
    font-weight: 400;
    padding: 0.625rem;
    margin: 0.625rem;
    margin-left: 0.3125rem;
    margin-right: 0.3125rem;
    display: flex;
    align-items: center;
    background-color: transparent;
    text-align: left;
    font-size: var(--suggestion-button-font-size);
    transition: 0.3s;
    color: var(--color-suggestion-button-color);
    overflow:hidden;
    text-overflow: ellipsis;
}

.suggestion-button:hover {
    background-color: var(--color-suggestion-button-hover-background);
}    

.suggestion-box-header {
    display: flex;
    width: 100%;
    height: 10%;
    align-items: center;
    vertical-align: middle;
    font-weight: 500;
    font-size: var(--suggestion-box-header-font-size);
    color: var(--color-suggestion-box-header);
    padding-left: 0.9375rem;
}

.use-caution {
    width: 90%;
    background-color: transparent;
    color: var(--color-default-dark-color);
    justify-content: center;
    font-size: var(--use-caution-font-size);
    font-weight: 300;
    text-align: center;
    display: flex;
    padding: 0;
    margin: auto;
    margin-top: 0.6125rem;;
    margin-bottom: 0.6125rem;
}





/* INPUT AREA *******************************************************************/

.sticky-bottom {
    position: sticky;
    width: 100%;
    max-width: var(--max-ui-width);
    bottom: 0;
    z-index: 10; /* Keep it above other content */
    background-color: var(--color-light-background-gradient-1); /* Ensure visibility */
    border-radius: 0.3125rem;
    padding: 0.3125rem;
    padding-top: 1rem;
}

.bottom-spacer {
    height: 6rem;
    background-color: transparent;
    width: 100%;
    max-width: var(--max-ui-width);
}

.input-container {
    max-width: var(--max-ui-width);
    border-radius: 3.3125rem;
    padding: 0;
    justify-content: center;
    align-items: center;
    display: flex;
    margin: auto;
    margin-left: 0;
    margin-right: 0;
    margin-bottom: 0rem;
}

.user-input, .feedback-modal-content {
    flex: 1;
    padding: 0.625rem;
    padding-left: 3.125rem;
    padding-right: 3rem;
    border-radius: 0.3125rem;
    font-size: var(--user-input-font-size);
    margin-left: 0;
    margin-right: 0;
    height: 3.125rem;
    overflow-y: hidden; /* Hide scrollbar */
    resize: none; /* Prevent manual resizing */
}

.user-input {
    outline: 1.5rem solid var(--color-light-background-gradient-1);
    border: 0.0625rem solid var(--color-user-input-border);
    background-color: var(--color-user-input-background);
    border-radius: 1.5rem;
    padding-left: 3.75rem;
    -webkit-appearance: none;
    appearance: none;    outline: none;
    min-height: 2.8125rem; /* Ensure a minimum height */
}

.user-input:hover {
    border-color: var(--color-user-input-border-hover);
}

.user-input:focus {
    border: 1px solid #773;
    background-color: #fff;
}


    

.user-input::placeholder, .rfiinputtext::placeholder, .feedback-modal-content::placeholder {
    color: var(--color-placeholder);      
    font-style: italic;
    font-weight: 400;
    font-size: 1rem;
}


.chat-container, .chat-box, .input-container {
    background-color: transparent; 
    color: var(--color-chat-color);
}

.feedback-modal-btn {
    padding: 0.625rem 0.9375rem;
    border: none;
    border-radius: 0.3125rem;
    cursor: pointer;
    font-weight: 500;
    transition: 0.4s;

}

.feedback-modal-content, .login-email, .login-password, .signup-email, .signup-password {
    min-height: 2.8125rem;
    height: 2.8125rem;
    padding: 0;
    margin: 0;
    padding-left: 0.3125rem;
    margin-left: 0.3125rem;
}

#send-btn {
    background-image: url('./send-icon.png');
    background-size: 80% 80%;
    background-repeat: no-repeat;
    background-position: center; 
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background-color: var(--color-send-button-background);
    opacity: 100%;
    box-shadow: none;
    color: transparent;
    border-radius: 2rem;
    position: absolute;
    right: 0.6875rem;
    bottom: 3.15rem;
    transition: 0.3s;
    border: 0.0625rem solid var(--color-send-button-border);

}

#send-btn:hover {
    opacity: 100%;
    background-color: var(--color-send-button-hover-background);
}

#new-conversation-btn {
    background-image: url('./clear-conversation-icon.png');
    background-size: 70% 70%;
    background-repeat: no-repeat;
    background-position: center; 
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background-color: var(--color-new-conv-button-background);
    opacity: 100%;
    box-shadow: none;
    color: transparent;
    border-radius: 2rem;
    transition: opacity .1s;
    position: absolute;
    left: 0.6875rem;
    bottom: 3.15rem;
    transition: 0.3s;
    border: 0.0625rem solid var(--color-new-conv-button-border);

}

#new-conversation-btn:hover {
    opacity: 100%;
    background-color: var(--color-new-conv-button-hover-background);
}





/* CONVERSATION CONTROLS ********************************************************/
.gradient-btn {
    background-color: var(--color-gradient-button-background);
    color: var(--color-gradient-button-color);
    border: 0.1875rem solid var(--color-gradient-button-border);
    box-shadow: 0.125rem 0.125rem 0.3125rem rgba(127, 127, 127, 0.3);
    transition: 0.3s;
    font-size: var(--gradient-btn-font-size);

}

.gradient-btn:hover {
    background-color: var(--color-gradient-button-hover-background);
 }







/* MESSAGES WITHIN CHAT BOX *****************************************************/
.chat-message {
    display: flex;
    padding: 0.5rem;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    border-radius: 0.3125rem; /* Optional: gives a rounded edge to the messages */
    position: relative;
    width: 100%;
    max-width: 100%;
    min-width:100%;
    word-wrap: break-word;
}

.assistant-icon {
    height:           2.5rem;
    width:            2.5rem;
    margin-right:     1.125rem;
    margin-top:       0.5rem;
    padding:          0.0625rem;
    flex-shrink:      0; 
    border-radius:    35%;
    border: none;
    background-color: transparent;
    justify-content:  center;
    align-items:      center;
    overflow:         hidden; /* Ensures the image stays within the circle */
    box-sizing:       border-box; /* Include the border in the width/height */
}

.user-icon {
    height:           2.5rem;
    width:            2.5rem;
    margin-right:     1.125rem;
    padding:          0.0625rem;
    flex-shrink:      0; 
    border-radius:    35%;
    border: none;
    background-color: transparent;
    justify-content:  center;
    align-items:      center;
    overflow:         hidden; /* Ensures the image stays within the circle */
    box-sizing:       border-box; /* Include the border in the width/height */
    object-fit:       contain;
}

.user-message > .user-icon {
    display: none;
}

.user-message {
    width: 80%;
    min-width:80%;
    margin-left: 20%;
}

.user-message {
    position: relative;
    padding-bottom: 0.75rem;
    padding-top: 0.5rem;
    padding-bottom: 1rem;
    word-wrap: break-word;
    max-width: 100%;
    font-weight: 400;
    color: var(--color-user-message-color);
    background-color: var(--color-user-message-background);
    margin-top: 8.5rem;
    border-radius: 1.5rem;
    border: 0.0625rem solid var(--color-user-message-border);
}

.user-message .message-content {
    position: relative;
    padding-bottom: 0.75rem;
    padding-top: 0.5rem;
    word-wrap: break-word;
    max-width: 100%;
    font-weight: 400;
    color: var(--color-user-message-color);
    margin-top: 0.5rem;
    flex: 1;
    text-align: right;
    padding-right: 2rem;
}



.assistant-message {
    position: relative;    
    padding-bottom: 3rem;
    word-wrap: break-word;
    font-weight: 300;
    max-width: 95%;
    color: var(--color-assistant-message-color);
    background-color: var(--color-assistant-message-background);
    margin-top: 2rem;
    border: 0.0625rem solid var(--color-composium-mid-blue-semitrans);
    border-radius: 1.25rem;
    margin-left: auto;
    margin-right: auto;
}

.assistant-message message_content {
    position: relative;    
    padding-bottom: 1.75rem;
    word-wrap: break-word;
    font-weight: 300;
    max-width: 95%;
    color: var(--color-assistant-message-color);
    background-color: var(--color-assistant-message-background);
    margin-left: auto;
    margin-right: auto;

}

.assistant-message h3, .assistant-message h4, .assistant-message h5, .assistant-message h6 {
    font-weight: 400;
}

.assistant-message strong {
    font-weight: 400;
}

.composium-link {
    text-decoration: none;
    color: var(--color-mentor-blue);
}

.assistant-message a:not(.a2a_kit a) {
    sbackground: url("./external-link.png") no-repeat 100% 0;
    sbackground-position-x: right -0.125rem;
    sbackground-size: 1.2rem 1.375rem;    
    spadding-right: 1.25rem;
    padding-right: 0.125rem;
    padding-left: 0.125rem;
    text-decoration: none;
    color: var(--color-link-assistant);
}

.assistant-message .composium-link {
    background: none;
    padding-right: 0;
}

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

.assistant-message a:visited {
    color: var(--color-mentor-blue);
}

.rfi {
    position: relative;    
    padding: 0;
    margin: 0;
    padding-bottom: 0.5rem;
    word-wrap: break-word;
    max-width: 100%;
    width: 100%;
    color: var(--color-rfi-color);
    background-color: var(--color-rfi-background-color);
    border: 0.0625rem solid var(--color-rfi-border-color);
    border-radius: 0.3125rem;
    margin-bottom: 1.625rem;
    margin-top: 1rem;
    justify-content: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 2;
}


.rfititle {
    width: 100%;
    padding: 0;
    margin: 0;
    background-color: var(--color-rfi-title-background-color);
    justify-content: center;
    text-align: center;
    font-size: var(--rfi-message-font-size);
}

.rfirequest {
    width: 100%;
    padding: 0.3125rem;
}

.rfiinputs {
    margin: 0;
    padding: 0rem;
    min-height: 3rem;
    display: flex;
    flex-direction: row;
    width: 100%;
}

.rfiinputfieldcontainer {
    margin: 0;
    padding: 0;
    min-width: 5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: row;
    position: relative;
}

.rfiinputbutton {
    margin: 0.3125rem;
    padding: 0.3125rem;
    border-radius: 0.3125rem;
    border: 1px solid var(--color-rfi-border-color);
    min-width: 6rem;
    font-size: var(--rfi-button-font-size);
    color: var(--color-rfi-color);
    background-color: var(--color-rfi-background-color);
    border: 1px solid var(--color-rfi-border-color);
    transition: 0.3s;
    overflow:hidden;
    text-overflow: ellipsis;
    display: flex 2;
}

.rfiinputbutton:hover {
    background-color: var(--color-rfi-hover-background-color);
}


.rfiinputtext {
    margin: 0.3125rem;
    padding: 0.3125rem;
    border: 1px solid var(--color-rfi-border-color);
    width: 100%;
    font-size: var(--rfi-button-font-size);
    color: var(--color-default-dark-color);
    background-color: var(--color-rfi-background-color);
    flex-grow: 3;
}

@keyframes bounceIcon {
    0%, 20%, 40%, 60%, 80%, 100% {
        transform: translateY(0);
    }
    10% {
        transform: translateY(-0.3125rem);
    }
    30% {
        transform: translateY(-0.3125rem);
    }
    50% {
        transform: translateY(-0.3125rem);
    }
    70% {
        transform: translateY(-0.3125rem);
    }
}

/* Keyframes for spinning the icon around its vertical axis */
@keyframes spinIcon {
    0% {
        transform: rotateY(0deg);
    }
    100% {
        transform: rotateY(360deg);
    }
}
/* Keyframes for alternating rotation with no lag */
@keyframes rotateIcon {
    0% {
        transform: rotateY(0deg);
    }
    25% {
        transform: rotateY(45deg);

    }
    50% {
        transform: rotateY(0deg);
    }
    75% {
        transform: rotateY(-45deg);
    }
    100% {
        transform: rotateY(0deg);
    }
}

/* Keyframes for alternating tilt */
@keyframes tiltIcon {
    0% {
        transform: rotateZ(0deg) ;
    }
    25% {
        transform: rotateZ(25deg) rotateY(30deg) rotateX(30deg) scale3d(1.1,1.1,1.1);
    }
    50% {
        transform: rotateZ(-20deg) rotateY(-20deg) rotateX(-20deg) scale3d(1.05,1.05,1.05);
    }
    75% {
        transform: rotateZ(10deg) scale3d(1.1,1.1,1.1);
    }
    100% {
        transform: rotateZ(0deg);
    }
}

/* Keyframes for growing height animation */
@keyframes growHeightIcon {
    0% {
        transform: scaleY(1);
    }
    50% {
        transform: scaleY(1.5); /* Grow 150% in height */
    }
    100% {
        transform: scaleY(1); /* Return to normal height */
    }
}

/* Keyframes for growing animation */
@keyframes growIcon {
    0% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.25); /* Grow to 150% */
    }
    50% {
        transform: scale(1); /* Grow to 150% */
    }

    75% {
        transform: scale(0.75); /* Grow to 150% */
    }

    100% {
        transform: scale(1); /* Return to normal size */
    }
}

/* Keyframes for fading animation */
@keyframes fadeIcon {
    0% {
      opacity: 1;   /* 100% visible */
    }
    25% {
      opacity: 0.75; /* 75% visible */
    }
    50% {
      opacity: 0;    /* fully transparent */
    }
    75% {
      opacity: 0.75; /* back toward visible */
    }
    100% {
      opacity: 1;    /* full visibility again */
    }
}


.bouncing.assistant-icon {
    animation: tiltIcon 6s infinite linear;
    animation-timing-function: ease-in-out;
}

.message-toolbar {
    position: absolute;
    bottom: 0.3125rem;
    left: 0.5rem;
    width: 90%;
    color: var(--color-message-toolbar-color);
    margin-left: 4.1875rem;
    margin-top: 0.25rem;
    padding: 0.1875rem;
    padding-top: 0;
    padding-bottom: 0;
    transition: 0.3s;
    opacity: 70%;
    display: flex;
    flex-direction: row;
    align-items:center;
}

.message-toolbar.user-toolbar {
    justify-content: right;
    padding-right: 2rem;
}


.message-toolbar > img {
    background-color: transparent !important;
}

.chat-message:hover .message-toolbar {
    opacity: 100%;
}



.message-tool-icon {
    height: 1.25rem;
    width: 1.25rem;
    margin-right: 0.3125rem;
    margin-left: 0.3125rem;
    flex-shrink: 0;
    padding: 0;
    border: none;
    cursor: pointer;
}

.message-tool-icon-copy {
    height: 1.25rem;
    width: 1.25rem;
    margin-right: 0.3125rem;
    margin-left: 0.3125rem;
    flex-shrink: 0;
    background-image: url("./copy-to-clipboard-icon.png");
    background-size: cover;
    background-color: transparent;
    padding: 0;
    cursor: pointer;
    border: none;
    border-radius: 0.0625rem;
    transition: 0s;
}

.message-tool-icon:hover {
    border: 0.0625rem solid var(--color-message-toolbar-color);
    border-radius: 0.3125rem;
}

.message-tool-icon-copy:hover {
    border: 0.0625rem solid var(--color-message-toolbar-color);
    border-radius: 0.3125rem;
    transition: 0s;
}

input[type=range] {
    -webkit-appearance: none;
    appearance: none;
}

/* Custom styling for the sliders */
.brevity-slider, .expertise-slider {
    -webkit-appearance: none;  /* Override default CSS styles */
    appearance:        none;
    height:            1.5rem;
    width:             5rem;
    margin:            0;
    margin-right:      0.3125rem;
    margin-left:       0.3125rem;
    flex-grow:         0;
    cursor:            pointer;
    background-color:  transparent;
    padding:           0;
    padding-left:      0.3125rem;
    padding-right:     0.3125rem;
  }

  /* Mouse-over effects */
  .brevity-slider:hover, .expertise-slider:hover {
    border:            0.0625rem solid var(--color-message-toolbar-color);
    border-radius:     0.3125rem;
  }

  /* The slider handle (thumb) - use custom styles */
  .brevity-slider[type=range]::-webkit-slider-thumb, .expertise-slider[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none; /* Override default look */
    appearance:         none;
    width:              1rem; /* Width of the handle */
    height:             1rem; /* Height of the handle */
    border-radius:      0.5rem;
    background-color:   #777;
    cursor:             pointer; /* Cursor on hover */
    padding:            0;
    padding-left:       0.3125rem;
    padding-right:      0.3125rem;
    margin:             0;
    margin-left:        0.3125rem;
    margin-right:       0.3125rem;
    transform:          translate(-35%, -25%);
  }

  .brevity-slider::-moz-range-thumb, .expertise-slider::-moz-range-thumb {
    width:              1rem; 
    height:             1rem; 
    border-radius:      0.5rem;
    background-color:   #777;
    cursor:             pointer; 
    padding:            0;
    padding-left:       0.3125rem;
    padding-right:      0.3125rem;
    margin:             0;
    margin-left:        0.3125rem;
    margin-right:       0.3125rem;
    transform:          translate(-35%, -25%);
  }

  .brevity-slider::-webkit-slider-runnable-track, .expertise-slider::-webkit-slider-runnable-track {
    height:           0.5rem;
    cursor:           pointer;
    border-radius:    0.125rem;
    background-color: #bbb;
    margin:           0;
    margin-left:      0.3125rem;
    margin-right:     0.3125rem;
    padding:          0;
    padding-left:     0.3125rem;
    padding-right:    0.3125rem;
    transition:       0s; 
  }

 .brevity-slider::-moz-range-track, .expertise-slider::-moz-range-track {
    height:           0.5rem;
    cursor:           pointer;
    border-radius:    0.125rem;
    background-color: #bbb;
    margin:           0;
    margin-left:      0.3125rem;
    margin-right:     0.3125rem;
    padding:          0;
    padding-left:     0.3125rem;
    padding-right:    0.3125rem;
    transition:       0s;
  }

  .brevity-label, .expertise-label {
    color:            var(--color-message-toolbar-color);
    font-size:        0.8125rem;
    opacity:          100%;
    transform:        translateY(-0.00rem);
    width:            7rem;
    text-align:       left;
}

.brevity-slider:hover + .brevity-label, .expertise-slider:hover + .expertise-label {
    opacity:          1;
}






/* MARKDOWN *********************************************************************/

pre {
  max-width: 90%;
  overflow: hidden;
  overflow-y: hidden;
  padding: 0.5rem;
  white-space: pre-wrap;
  word-wrap: break-word;
  background: var(--color-markdown-pre-background);
  color: var(--color-markdown-pre-color);
  border: 0.0625rem solid var(--color-markdown-pre-border);
  border-radius: 0.3125rem;
  margin-left: auto;
  margin-right: auto;
  flex-grow: 3;
}

pre, code {
    color: var(--color-markdown-pre-code);
    font-family:  ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace !important;
    border-radius: 0.3125rem;
    padding: 0;
}

.pre-header {
    padding: 0;
    display: flex;
    justify-content: right;
}

/* Mermaid Modal - Minimal Version */
.mermaid-modal {
    position: relative;
    width: 75dvw;
    height: 75dvh;
    background-color: var(--color-feedback-modal-background);
    border: 1px solid var(--color-composium-teal);
    border-radius: 0.9375rem;
    overflow: hidden;
    touch-action: none; /* Prevent default touch behaviors (pinch, double-tap zoom) */
}

.mermaid-zoom-controls {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
    z-index: 10000;
    pointer-events: auto;
    touch-action: auto; /* Allow tap gestures */
}

.mermaid-zoom-controls button {
    width: 2.5rem;
    height: 2.5rem;
    border: 2px solid var(--color-composium-teal);
    background-color: rgba(26, 26, 26, 0.9);
    color: var(--color-composium-teal);
    border-radius: 0.5rem;
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    padding: 0;
    line-height: 1;
    touch-action: auto; /* Allow tap gestures on buttons */
}

.mermaid-zoom-controls button:hover {
    background-color: var(--color-composium-teal);
    color: var(--color-composium-white);
    transform: scale(1.1);
}

.mermaid-zoom-controls button:active {
    transform: scale(0.95);
}

.mermaid-scroll-container {
    width: 100%;
    height: 100%;
    overflow: auto;
    cursor: grab;
    touch-action: none; /* Handle all touches manually */
}

.mermaid-scroll-container:active {
    cursor: grabbing;
}

.mermaid-svg-wrapper {
    position: relative;
}

.mermaid-svg-container {
    position: absolute;
    /* Override .mermaid flex properties to maintain absolute positioning */
    display: block !important;
    justify-content: unset !important;
    align-items: unset !important;
}

/* Prevent page scroll when modal is open (mobile) */
body.modal-open {
    position: fixed;
    overflow: hidden;
    width: 100%;
    height: 100%;
}

.hljs * {
    font-family:  ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace !important;
}

.li .li.p{
    margin-top: 0.3125rem;
}
ol > li {
    margin-bottom: 0.3125rem;
}

.markdown-body.message-content {
    flex: 1;
    margin-bottom: 0.75rem;
    max-width: 90%;
    overflow-x:auto;
    background-color:transparent;
}

.markdown-body table {
    border-spacing: 0;
    border: 0.0625rem solid var(--color-markdown-pre-border);
    border-radius: 0.3125rem;
    font-weight: 300;
    margin: 0.3125rem auto;
    color: var(--color-background-reading-color);
    background-color: var(--color-background-reading-background);
    text-align: center;
    vertical-align: middle;
    width: 100%;
    box-sizing: border-box;
    min-width: 50%;
}

.markdown-body table thead {
    background-color: var(--color-user-message-background);
}



.markdown-body table tbody tr td a {
    background: none;
    padding-right: 0;
    padding-left: 0;
}

/* Additional padding for better readability */
.markdown-body td {
    padding: 0.75rem 0.9175rem;
}

.markdown-body th {
    padding: 0.75rem 0.9125rem;
}

.markdown-body tbody td {
    padding: 10px;
    border-bottom: 1px dotted #777; /* Dotted border for rows */
    border-right: 1px dotted #777;  /* Dotted border for columns */
    background-color: #444;
    color: #ffffff;
}

/* Last cell in each row should not have a right border */
.markdown-body tbody td:last-child {
    border-right: none;
    padding-right: 0.15rem;
}

.markdown-body hr {
    border: 0.03125rem solid var(--color-markdown-hr-color) !important;
    opacity: 0.5;
    margin-left:3rem;
    margin-right:3rem;
    max-width: var(--max-ui-width);
    margin-top: 2.5rem;
    margin-bottom: 1.875rem;
    height:0.01rem;
}

.markdown-body strong {
    color: var(--color-markdown-hr-color);
}

.markdown-body img {
    background-color: black;
    border: 0.0625rem solid var(--color-markdown-pre-border);
}

.language-mermaid, .mermaid  {
    display: flex;
    justify-content: center;
    align-items: center;
}

.language-mermaid > svg, .mermaid > svg {
    overflow:scroll;
}

/* SCROLL INDICATOR ***********************************************************/
/* Default styles for light mode */

#scroll-indicator {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background-color: var(--color-composium-dark-blue-semitrans);
    border: 0.0625rem solid var(--color-composium-mid-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    pointer-events: none; /* Disable interactions when hidden */
    transition: opacity 0.3s, bottom 0.3s, background-color 0.3s;
    z-index: 1000;
    font-size: 20px;
    color: var(--color-default-dark-color); /* Text color for light mode */
  }
  
#scroll-indicator.visible {
    opacity: 1;
    pointer-events: auto; /* Enable interactions when visible */
    animation: glow 4s infinite;
}
  
#scroll-indicator.visible:hover {
    background-color: var(--color-composium-mid-blue);
    opacity: 0.8;
    box-shadow: 0 0 10px rgba(0, 0, 0, 1);
}
  
@keyframes glow {
    0% {
      box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
    }
    50% {
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
    }
    100% {
      box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
    }
}
  


/* FOOTER ***********************************************************************/
.footer-stripe a:link, .footer-stripe a:visited {
    color: var(--color-footer-stripe-a-link);
    text-decoration: none;
}

.footer-stripe a:hover {
    text-decoration: underline;
}

.footer-top {
    display: flex;
    margin-top: 0;
    color: var(--color-footer-top-color);
    border-radius: 0.3125rem;
    align-items: center;
    width: 90%;
    max-width: var(--max-ui-width);
}

.footer-top-name-heavy {
    font-size: var(--footer-top-name-heavy-font-size);
    margin-left: 0.625rem;
    color: var(--color-footer-top-name);
    font-weight: 300;
}

.footer-top-name-light {
    font-size: var(--footer-top-name-light-font-size);
    margin-left: 0;
    color: var(--color-footer-top-name);
    padding-top: 0.0625rem;
    font-weight: 150;
}

.tedxsup-footer-top {
    vertical-align: +0.45rem;
}

.footer-stripe {
    background-color: var(--color-footer-stripe-background);
    display: flex;
    flex-direction: column;
    width: 100dvw;
    align-items: center;
    margin-bottom: 0;
    padding-bottom: 0;
    transition: padding 0.5s ease;
}

.footer-stripe > hr {
    border: 0.0625rem solid var(--color-composium-mid-blue);
    width: 90%;
    max-width: var(--max-ui-width);
    margin-top: 2.5rem;
    margin-bottom: 1.875rem;
}


.footer-stripe > hr:last-of-type {
    margin-top: 0.625rem;
    margin-bottom: 0.625rem;
}

.footer-columns {
    background-color: var( --color-footer-columns-background);
    text-shadow: 0.125rem 0.125rem 0.125rem var(--color-darkest-color);
    width: 90%;
    max-width: var(--max-ui-width);
    display: flex;
    flex-direction: row;
}

.footer-left-list {
    text-align: left;
    margin-left: 0.5rem
}

.footer-center-list {
    text-align: center;
    margin-left: 1rem;
    margin-right: 1rem;
}

.footer-right-list {
    text-align: right;
    margin-right: 0.5rem;
}

.footer-list, .footer-bottom-list {
    color: var(--color-footer-list-color);
    min-width: 30%;
    border-radius: 0.3125rem;
    padding: 0.625rem;
    font-weight: 300;
    font-size: 0.875rem;
    text-shadow: 0.125rem 0.125rem 0.125rem var(--color-darkest-color);
}

.footer-bottom-list {
    width: 90%;
    max-width: var(--max-ui-width);
    margin-bottom: 1.25rem;
    display: flex;
    text-shadow: 0.125rem 0.125rem 0.125rem var(--color-darkest-color);
}

.footer-list > ul, .footer-bottom-list > ul {
    color: var(--color-footer-list-color);
    list-style-type: none;  
    margin: 0;
    margin-top: 0.625rem;
    padding: 0;
    font-weight: 300;
    text-shadow: 0.125rem 0.125rem 0.125rem var(--color-darkest-color);
}

.footer-bottom-list ul:last-of-type {
    text-align: right;
}

.footer-list > ul > li, .footer-bottom-list > ul > li {
    margin-bottom: 0.9375rem;
    text-shadow: 0.125rem 0.125rem 0.125rem var(--color-darkest-color);
}





/* MODALS ******************************************************************/

.modal-backdrop {
    background-color: var(--color-modal-backdrop-background);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    position: fixed;

    display: flex;
    flex-direction: row;
    align-items: center; /* Center vertically */
    justify-content: center; /* Center horizontally */
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;

    /* Safe area padding for notch/home indicator */
    padding-top: env(safe-area-inset-top, 0px);
    padding-right: env(safe-area-inset-right, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
    padding-left: env(safe-area-inset-left, 0px);
    box-sizing: border-box;
}


.mermaid-backdrop {
    /* Keep backdrop full screen for click-outside-to-close functionality */
    /* Border is on .mermaid-modal instead */
}


/* FEEDBACK MODAL******************************************************************/
.feedback-modal {
    width: auto;
    min-width: 50%;
    height: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: var(--max-ui-width);
    background-color: var(--color-feedback-modal-background);
    z-index: 9999;
    border: 0.0625rem solid var(--color-feedback-modal-border);
    border-radius: 0.9375rem;
    padding: 0.625rem;
    display: flex;
    flex-direction: column;
    overflow: auto;
    box-shadow: 0 0.25rem 1.5rem 0 var(--color-feedback-modal-box-shadow);
}

.feedback-modal-title {
    font-size: var(--feedback-modal-title-font-size);
    font-weight: 400;
    margin-bottom: 0.625rem;
    text-align: left;
    float: left;
}

.feedback-modal-content {
    border: 0.0625rem solid var(--color-feedback-modal-content-border);
    border-radius: 0.3125rem;
    padding: 0.625rem;
    margin: 0.625rem;
    min-height: 10rem;
}

.feedback-modal-options {
    height: auto;
    display: flex;
    flex-direction: row;
    margin: 0.625rem;
    padding: 0.625rem;
    border: none;
    text-align: left;
}

.feedback-modal-options > fieldset {
    border: none;
    width: 100%;
}

.feedback-modal-options > fieldset > fieldset {
    border-radius: 0.3125rem;
}


.feedback-modal-btns {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    width: 90%;
    margin: 0.625rem;
    margin-top: 1.875rem;
}

.feedback-modal-btns > button {
    margin: 0.625rem;
}


.login-signup-modal {
    display: flex;
    flex-direction: column;
    width: 40%;
    min-height: calc(100dvh - 9.375rem);
    flex-grow: 1;
    align-items: center;
    margin: auto;
    margin-top: 0.625rem;
    margin-bottom: 0.625rem;
    border-radius: 0.9375rem;
    position: fixed;
    max-width: var(--max-ui-width);
    height: 40%;
    background-color: var(--color-login-signup-modal-background);
    z-index: 9999;
    border: 0.0625rem solid var(--color-login-signup-modal-border);
    padding: 0.625rem;
    overflow: auto;
    box-shadow: 0 0.25rem 1.5rem 0 var(--color-login-signup-modal-box-shadow);
}

/* Auth Modal Styles (Login, Signup, Forgot Password, Change Password) */
.auth-modal {
    display: flex;
    flex-direction: column;
    width: 380px;
    padding: 2.5rem 2rem 2rem 2rem;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--color-login-signup-modal-background);
    z-index: 9999;
    border: none;
    border-radius: 1rem;
    box-shadow: 0 0.25rem 1.5rem 0 var(--color-login-signup-modal-box-shadow);
    opacity: 1;
    overflow: hidden;
    transition: opacity 0.25s ease-in-out;
}

/* Simple modal fade (for open/close) */
.auth-modal.fading-out {
    opacity: 0;
}

.auth-modal.fading-in {
    opacity: 0;
}

.auth-modal.fading-in.visible {
    opacity: 1;
}

/* Content dissolve transitions (for switching between modals) */
.auth-form.content-fading-out {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.auth-form.content-fading-in {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.auth-form.content-fading-in.content-visible {
    opacity: 1;
}

.auth-form {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 1.25rem;
}

.auth-form h2 {
    margin: 0;
    text-align: center;
    color: var(--color-composium-teal);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.auth-description {
    text-align: center;
    color: var(--color-auth-description-color);
    font-size: 0.9rem;
    margin: -0.5rem 0 0.5rem 0;
    line-height: 1.4;
}

.auth-input {
    width: 100%;
    padding: 0.875rem 1rem;
    background-color: var(--color-auth-input-background);
    border: 1px solid var(--color-auth-input-border);
    border-radius: 0.625rem;
    font-size: 1rem;
    color: var(--color-auth-input-color);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.auth-input::placeholder {
    color: var(--color-auth-input-placeholder);
}

.auth-input:focus {
    outline: none;
    border-color: var(--color-composium-teal);
    box-shadow: 0 0 0 4px rgba(0, 128, 128, 0.08);
}

.auth-submit-btn {
    width: 100%;
    padding: 0.875rem;
    margin-top: auto;
    background-color: var(--color-gradient-button-background);
    color: var(--color-gradient-button-color);
    border: none;
    border-radius: 0.625rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease, opacity 0.2s ease;
}

.auth-submit-btn:hover:not(:disabled) {
    background-color: var(--color-gradient-button-hover-background);
}

.auth-submit-btn:active:not(:disabled) {
    opacity: 0.8;
}

.auth-submit-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.auth-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--color-auth-description-color);
    margin-top: 0.5rem;
}

.auth-link {
    color: var(--color-auth-link-color);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.auth-link:hover {
    opacity: 0.7;
}

.auth-link-separator {
    color: var(--color-auth-link-separator);
}

/* Password Field with Rules */
.password-field {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.password-field .auth-input {
    margin-bottom: 0.875rem;
}

/* Apple-style minimal password rules */
.password-rules {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    padding: 0.25rem 0 0.25rem 0.25rem;
    font-size: 0.8125rem;
}

.password-rules .rule {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-auth-rules-color);
    transition: color 0.2s ease;
}

.password-rules .rule.valid {
    color: var(--color-auth-rules-color);
}

.password-rules .rule.invalid {
    color: var(--color-auth-rules-color);
}

.password-rules .rule-icon {
    width: 1rem;
    height: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1.5px solid currentColor;
    opacity: 0.4;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.password-rules .rule-icon::before {
    content: "";
}

.password-rules .rule.valid .rule-icon {
    background: #34c759;
    border-color: #34c759;
    opacity: 1;
}

.password-rules .rule.valid .rule-icon::before {
    content: "✓";
    color: #fff;
    font-size: 0.625rem;
    font-weight: 600;
}

.password-rules .rule.invalid .rule-icon {
    border-color: #ff3b30;
    opacity: 0.7;
}

.password-rules .rule.invalid .rule-icon::before {
    content: "";
}

/* Password Match Indicator - Steve-ish: only shows after pause with mismatch */
.password-match {
    font-size: 0.75rem;
    padding: 0.125rem 0.25rem;
    height: 1.25rem;
    line-height: 1rem;
    font-weight: 500;
    color: #ff9500;
    opacity: 0;
    transition: opacity 0.5s ease;
    overflow: hidden;
}

.password-match.visible {
    opacity: 1;
}

.auth-provider-modal {
    display: flex;
    flex-direction: column;
    width: 380px;
    min-height: 380px;
    padding: 2.5rem 2rem 2rem 2rem;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--color-login-signup-modal-background);
    z-index: 9999;
    border: none;
    border-radius: 1rem;
    box-shadow: 0 0.25rem 1.5rem 0 var(--color-login-signup-modal-box-shadow);
}

.auth-provider-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-provider-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.auth-provider-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.auth-provider-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.auth-provider-btn.google {
    background-color: #fff;
    color: #757575;
    border: 1px solid #dadce0;
}

.auth-provider-btn.google:hover {
    background-color: #f8f9fa;
    border-color: #d2d4d7;
}

.auth-provider-btn.apple {
    background-color: #000;
    color: #fff;
}

.auth-provider-btn.apple:hover {
    background-color: #1a1a1a;
}

.auth-provider-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* OAuth section within auth modals */
.oauth-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.oauth-section.hidden {
    display: none;
}

.oauth-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.oauth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
}

.oauth-btn.google {
    background-color: #fff;
    color: #757575;
    border: 1px solid #dadce0;
}

.oauth-btn.google:hover {
    background-color: #f8f9fa;
    border-color: #d2d4d7;
}

.oauth-btn.apple {
    background-color: #000;
    color: #fff;
}

.oauth-btn.apple:hover {
    background-color: #1a1a1a;
}

.oauth-btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--color-text-secondary, #888);
    font-size: 0.85rem;
    margin: 0.25rem 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--color-border, #ddd);
}

.auth-divider span {
    padding: 0 0.75rem;
}

/* Main area auth buttons (shown when logged out) */
.main-auth-buttons {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
    position: fixed;
    bottom: 1rem;
    left: 1rem;
    z-index: 100;
}

.main-auth-buttons.hidden {
    display: none;
}

.main-auth-btn {
    padding: 0.625rem 1.25rem;
    font-size: var(--user-input-font-size);
    font-weight: 400;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--app-font-family);
    background: linear-gradient(135deg, rgba(15, 30, 51, 0.98) 0%, rgba(20, 40, 65, 0.98) 100%);
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--color-composium-teal);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.main-auth-btn:hover {
    background: linear-gradient(90deg, rgba(99, 175, 134, 0.3) 0%, rgba(99, 175, 134, 0.15) 100%);
    color: var(--color-composium-teal);
    box-shadow: 0 4px 16px rgba(99, 175, 134, 0.3);
}

.main-auth-btn:active {
    transform: scale(0.98);
}

.signup-form-container {
    display: flex;
    flex-direction: column;
    width: 40%;
    min-height: calc(100dvh - 9.375rem);
    flex-grow: 1;
    align-items: center;
    position: sticky;
    margin: auto;
    margin-top: 0.625rem;
    margin-bottom: 0.625rem;
    border: 0.0625rem solid var(--color-signup-form-container-border);
    border-radius: 0.3125rem;
    box-shadow: 0 0 0.625rem var(--color-signup-form-container-box-shadow);
}

.signup-form {
    border: 0.0625rem solid var(--color-signup-form-border);
    border-radius: 0.3125rem;
    padding: 0.625rem;
}

.signup-form > h2 {
    margin-top: 0;
}

.signup-form-modal > hr {
    width: 90%;
}

.signup-email, .signup-password, .login-email, .login-password {
    width: 100%;
    padding: 0.625rem;
    margin: 0.625rem 0;
    border: 0.0625rem solid var(--color-signup-form-input-border);
    border-radius: 0.25rem;
    color: var(--color-signup-form-input-color);
    background-color: var(--color-brightest-color);
}

.signup-button, .login-button {
    width: 100%;
    padding: 0.625rem;
    border: none;
    border-radius: 0.25rem;
    background-color: var(--color-signup-form-button-background);
    color: var(--color-signup-form-button-color);
    cursor: pointer;
}

.signup-form > button:hover {
    background-color: var(--color-signup-form-button-hover-background);
}

.auth-error-message,
.auth-success-message {
    font-size: 0.8125rem;
    padding: 0;
    margin: 0;
    border-radius: 0.5rem;
    text-align: center;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease, margin 0.3s ease;
}

.auth-error-message:not(.hidden),
.auth-success-message:not(.hidden) {
    max-height: 6rem;
    opacity: 1;
    padding: 0.625rem 0.75rem;
    margin: 0.25rem 0;
}

.auth-error-message {
    color: #ff3b30;
    background-color: rgba(255, 59, 48, 0.08);
}

.auth-success-message {
    color: #34c759;
    background-color: rgba(52, 199, 89, 0.08);
}

/* Hidden state is handled by max-height/opacity transitions above */

/* password-match styles defined earlier in auth section */

/* User menu dropdown */
.user-menu-container {
    position: relative;
    display: inline-block;
}

.user-email-trigger {
    color: var(--color-composium-teal);
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    max-width: 100%;
    overflow: hidden;
}

.user-email-trigger:hover {
    background-color: rgba(99, 175, 134, 0.1);
    border-color: rgba(99, 175, 134, 0.3);
}

.user-email-trigger span:first-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dropdown-arrow {
    font-size: 0.5rem;
    opacity: 0.7;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.user-menu-container:has(.user-menu-dropdown.visible) .dropdown-arrow {
    transform: rotate(180deg);
}

.user-menu-dropdown {
    display: none !important;
    position: absolute;
    bottom: calc(100% + 0.5rem);  /* Open upward with gap */
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 160px;
    background: linear-gradient(135deg, rgba(15, 30, 51, 0.98) 0%, rgba(20, 40, 65, 0.98) 100%);
    border: 1px solid var(--color-composium-teal);
    border-radius: 0.5rem;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(99, 175, 134, 0.1);
    z-index: 1000;
    overflow: visible;
    backdrop-filter: blur(10px);
    opacity: 0;
    transition: opacity 0.3s ease 0s, transform 0.3s ease 0s;
    pointer-events: none;
}

/* Invisible bridge to connect dropdown to trigger (prevents gap hover loss) */
.user-menu-dropdown::after {
    content: '';
    position: absolute;
    bottom: -0.75rem;
    left: 0;
    right: 0;
    height: 0.75rem;
}

/* Show on click (.visible class) - immediate */
.user-menu-dropdown.visible {
    display: block !important;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

/* Show on hover - with 0.5s delay */
.user-menu-container:hover .user-menu-dropdown {
    display: block !important;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
    transition-delay: 0.5s;
}

/* Keep dropdown open when hovering over it (no delay) */
.user-menu-dropdown:hover {
    display: block !important;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
    transition-delay: 0s;
}

.user-menu-item {
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
    transition: background 0.15s ease, color 0.15s ease;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-menu-item:hover {
    background: linear-gradient(90deg, rgba(99, 175, 134, 0.25) 0%, rgba(99, 175, 134, 0.05) 100%);
    color: var(--color-composium-teal);
}

.user-menu-item:not(:last-child) {
    border-bottom: 1px solid rgba(99, 175, 134, 0.15);
}

.forgot-password-link {
    display: block;
    text-align: center;
    margin-top: 0.75rem;
    font-size: 0.875rem;
    color: var(--color-composium-teal);
    text-decoration: none;
    cursor: pointer;
}

.forgot-password-link:hover {
    text-decoration: underline;
}

h2, h3, h4, h5, h6 {
    color: var(--color-heading-color);
}




/* DARK THEME ********************************************************************/
@media (prefers-color-scheme: dark) {
    body {
        background-color: var(--color-default-dark-background);
        color: var(--color-default-light-color);
    }

      /* Dark mode adjustments */

    /* Apply the animation to the text */
    .shimmer-text {
        background: linear-gradient(90deg, rgba(71,147,79,1) 25%, rgba(255,255,255,1) 50%, rgba(18,165,72,1) 75%);
        background-size: 200% 100%;
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        animation: shimmer 5s linear infinite;
    }


      #scroll-indicator {
      background-color: var(--color-composium-dark-blue-semitrans);
      color: var(--color-default-light-color); /* Text color for dark mode */
    }
  
    #scroll-indicator.visible:hover {
      box-shadow: 0 0 10px rgba(255, 255, 255, 1); /* Dark glow on hover */
      border: 0.0625rem solid var(--color-composium-dark-blue);
    }
  
    @keyframes glow {
      0% {
        box-shadow: 0 0 5px rgba(255, 255, 255, 0.2);
      }
      50% {
        box-shadow: 0 0 15px rgba(255, 255, 255, 0.8);
      }
      100% {
        box-shadow: 0 0 5px rgba(255, 255, 255, 0.2);
      }
    }

    
    .app-container {
        background-color: var(--color-dark-background-gradient-1);
    }

    /* Unvisited links in dark mode */
    a:link {
        color: var(--color-link-unvisited-dark);
    }

    /* Visited links in dark mode */
    a:visited {
        color: var(--color-link-visited-dark); 
    }

    .mermaid, .language-mermaid {
        filter: invert(0.9);
    }

    .user-icon {
        border: 0.1875rem solid var(--color-user-icon-border-dark);
        background-color: var(--color-user-icon-background-dark);
    }

    .chat-container, .chat-box, .input-container, .user-input {
        background-color: transparent; 
        color: var(--color-chat-color-dark);
    }

    .input-container {
        background-color: var(--color-dark-background-gradient-1);
    }

    .sticky-bottom {
        background-color: var(--color-dark-background-gradient-1);
    }

    .rfiinputtext {
        color: var(--color-default-light-color);
        background-color: var(--color-rfi-background-color-dark);
    }

    .rfiinputbutton {
        color: var(--color-rfi-color-dark);
        background-color: var(--color-rfi-background-color-dark);
        border: 1px solid var(--color-rfi-border-color-dark);

    }
    
    .rfiinputbutton:hover {
        background-color: var(--color-rfi-hover-background-color-dark);
    }

    .user-input {
        background-color: var(--color-user-input-background-dark);
        border: 0.0625rem solid var(--color-user-input-border-dark);
        outline: 1.5rem solid var(--color-dark-background-gradient-1);
        -webkit-appearance: none;
        appearance: none;
        outline: none;
    }

    .user-input:hover {
        border-color: #fff;
    }
    
    .user-input:focus {
        border: 1px solid #99b;
        background-color: #111;
    }
    
    .language-language-italic, .language-italic {
        color: var(--color-user-message-color-dark) !important;
        background-color: var(--color-user-message-background-dark) !important;
        border: 0.0625rem solid var(--color-user-message-border-dark) !important;
        font-weight: 300 !important;
    }

    .user-message {
        color: var(--color-user-message-color-dark);
        background-color: var(--color-user-message-background-dark);
        border: 0.0625rem solid var(--color-user-message-border-dark);
        font-weight: 300;

    }

    .user-message .message-content{
        color: var(--color-user-message-color-dark);
        background-color: var(--color-user-message-background-dark);
    }

    .assistant-message {
        color: var(--color-assistant-message-color-dark);
        background-color: var(--color-assistant-message-background-dark);
        font-weight: 300;
    }

    .assistant-message a:not(.a2a_kit a) {
        sbackground: url("./external-link-light.png") no-repeat 100% 0;
        sbackground-position-x: right -0.125rem;
        sbackground-size: 1.2rem 1.375rem;    
        color: var(--color-link-assistant-dark);

    }

    .assistant-message a:not(.a2a_kit a):visited {
        sbackground: url("./external-link-light.png") no-repeat 100% 0;
        color: var(--color-link-assistant-dark);
        sbackground-position-x: right -0.125rem;
        sbackground-size: 1.2rem 1.375rem;    

    }



    .release-version {
        color: var(--color-release-version-color);
        border: 0.125rem solid var(--color-release-version-border);
        background-color: var(--color-theme-color);
        text-shadow: none;
    }


    .user-input::placeholder, .rfiinputtext::placeholder, .feedback-modal-content::placeholder, .login-email::placeholder, .login-password::placeholder, .signup-email::placeholder, .signup-password::placeholder {
        color: var(--color-placeholder-dark);      
        font-style: italic;
        font-weight: 400;
    }

   /* Any other customizations for dark mode */

    .gradient-btn,
    .auth-submit-btn {
        background-color: var(--color-gradient-button-background-dark);
        color: var(--color-gradient-button-color-dark);
        border-color: var(--color-gradient-button-border-dark);
    }

    .gradient-btn:hover,
    .auth-submit-btn:hover:not(:disabled) {
        background-color: var(--color-gradient-button-hover-background-dark);
    }

    #send-btn {
        background-image: url('./send-icon-white.png');
        background-color: var(--color-send-button-background-dark);
        border: 0.0625rem solid var(--color-send-button-border-dark);
    }

    #new-conversation-btn {
        background-image: url('./clear-conversation-icon-white.png');
        background-color: var(--color-new-conv-button-background-dark);
        border: 0.0625rem solid var(--color-new-conv-button-border-dark);
    }

    .suggestion-button {
        color: var(--color-suggestion-button-color-dark);
        border: 0.0625rem solid var(--color-suggestion-button-border-dark);
        background-color: var(--color-suggestion-button-background-dark);
    }

    .suggestion-button:hover {
        background-color: var(--color-suggestion-button-hover-background-dark);
    }

    .suggestion-header {
        color: var(--color-suggestion-header-color-dark);
    }

    .follow-up {
        color: var(--color-follow-up-color-dark);
        border: 0.0625rem solid var(--color-follow-up-border-dark);
        background-color: var(--color-follow-up-background-dark);
    }

    .follow-up:hover {
        background-color: var(--color-follow-up-hover-background-dark);
    }

    .follow-up > a, .follow-up > a:visited {
        color: var(--color-follow-up-color-dark) !important;
    }

    .food-for-thought {
        color: var(--color-food-for-thoughtup-color-dark);
        border: 0.0625rem solid var(--color-food-for-thought-border-dark);
        background-color: var(--color-food-for-thought-background-dark);
    }

    .food-for-thought:hover {
        background-color: var(--color-food-for-thought-hover-background-dark);
    }

    .food-for-thought > a, .food-for-thought > a:visited {
        color: var(--color-food-for-thought-color-dark) !important;
    }

    .source-reference {
        color: var(--color-source-reference-color-dark);
        border: 0.0625rem solid var(--color-source-reference-border-dark);
        background-color: var(--color-source-reference-background-dark);
    }

    .source-reference:hover {
        background-color: var(--color-source-reference-hover-background-dark);
    }

    .source-reference > a, .source-reference > a:visited {
        color: var(--color-source-reference-link-color-dark) !important;
    }

    .source-reference[data-year]::before {
        color: var(--color-source-reference-color-dark);
    }

     .background-reading {
        color: var(--color-background-reading-color-dark);
        border: 0.0625rem solid var(--color-background-reading-border-dark);
        background-color: var(--color-background-reading-background-dark);
    }

    .background-reading:hover {
        background-color: var(--color-background-reading-hover-background-dark) !important;
    }

    .background-reading > a, .background-reading > p > a, .background-reading > a:visited, .background-reading > p > a:visited {
        color: var(--color-background-reading-link-color-dark) !important;
    }

    .use-caution {
        color: var(--color-use-caution-color-dark);
    }

    .message-toolbar {
        color: var(--color-message-toolbar-color-dark);
        filter: invert(100%);
        color: var(--color-message-toolbar-color-dark);
    }

    .message-toolbar:hover, .chat-message:hover .message-toolbar {
        opacity: 100%;
        filter: invert(100%);
        color: var(--color-message-toolbar-color-dark);
    }



    .message-tool-icon:hover {
        border: 0.0625rem solid var(--color-message-tool-icon-hover-border-dark);
    }

    .message-tool-icon-copy:hover {
        border: 0.0625rem solid var(--color-message-tool-icon-hover-border-dark);
    }

    /* Mouse-over effects */
    .brevity-slider:hover, .expertise-slider:hover {
        border:            0.0625rem solid var(--color-message-tool-icon-hover-border-dark);
    }

    /* The slider handle (thumb) - use custom styles */
    .brevity-slider[type=range]::-webkit-slider-thumb, .expertise-slider[type=range]::-webkit-slider-thumb {
        background-color:   #777;
    }

    .brevity-slider::-moz-range-thumb, .expertise-slider::-moz-range-thumb {
        background-color:   #777;
    }

    .brevity-slider::-webkit-slider-runnable-track, .expertise-slider::-webkit-slider-runnable-track {
        background-color: #bbb;
    }

    .brevity-slider::-moz-range-track, .expertise-slider::-moz-range-track {
        background-color: #bbb;
    }

    .brevity-label, .expertise-label  {
        color: var(--color-message-toolbar-color);
    }

    .markdown-body table {
        color: var(--color-background-reading-color-dark);
        border: 0.0625rem solid var(--color-markdown-pre-border-dark);
        background-color: var(--color-background-reading-background-dark);
    }

    .markdown-body  table thead {
        background-color: var(--color-user-message-background-dark);
    }

    .markdown-body thead th {
        padding: 0.625rem;
    }

    .markdown-body thead th a, .assistant-message thead th a {
        padding: 0;
    }

    .markdown-body hr {
        border: 0.03125rem solid var(--color-markdown-hr-color-dark) !important;
    }

    .markdown-body strong {
        color: var(--color-markdown-hr-color-dark);
    }
    
    .markdown-body img {
        background-color: antiquewhite;
        border: 0.0625rem solid var(--color-markdown-pre-border-dark);
    }

    .markdown-body {
        background-color: var(--color-dark-background-gradient-1);
        color: var(--color-user-message-color-dark);
    }
    
    .suggestion-box-header {
        color: var(--color-suggestion-box-header-dark);
    }
    


    .rfi {
        color: var(--color-rfi-color-dark);
        background-color: var(--color-rfi-background-color-dark);
        border: 0.0625rem solid var(--color-rfi-border-color-dark);
    }
    
    .rfititle {
        background-color: var(--color-rfi-title-background-color-dark);
    }


    pre {
        background: var(--color-markdown-pre-background-dark);
        color: var(--color-markdown-pre-color-dark);
        border: 0.0625rem solid var(--color-markdown-pre-border-dark);
    }

    pre, code {
        color: var(--color-markdown-pre-code-dark);
    }

    .pre-header {
        filter: invert(100%);
    }

    .mermaid-model  {
        background-color: transparent;
    }
    .mermaid-modal > pre {
        background-color: transparent;
    }


    .feedback-modal {
        background-color: var(--color-feedback-modal-background-dark);
        border: 0.0625rem solid var(--color-feedback-modal-border-dark);
        color: var(--color-feedback-modal-color-dark);
    }

    .feedback-modal-title {
        color: var(--color-feedback-modal-color-dark);
    }

    .feedback-modal-content {
        color: var(--color-feedback-modal-content-color-dark);
    }

    .feedback-modal > textarea {
        color: var(--color-feedback-modal-content-color-dark);
        background-color: var(--color-feedback-modal-background-dark);
        border: 0.0625rem solid var(--color-feedback-modal-border-dark);
    }

    .feedback-modal-options {
        color: var(--color-feedback-modal-color-dark);
    }

    .feedback-modal-options > fieldset {
        border: none;
    }


    .feedback-modal-btns {
        display: flex;
    }

    .mermaid-modal {
        background-color: var(--color-feedback-modal-background-dark);
        border: 1px solid var(--color-composium-teal);
    }

    .sidebar-control-top-half, .sidebar-control-bottom-half {
        background-color: var(--color-sidebar-control-background-dark);
    }

    .modal-backdrop {
        background-color: var(--color-modal-backdrop-background-dark);    
    }

    .login-signup-modal {
        background-color: var(--color-login-signup-modal-background-dark);
        border: 0.0625rem solid var(--color-login-signup-modal-border-dark);
    }

    .auth-provider-modal {
        background-color: var(--color-login-signup-modal-background-dark);
        border: 0.0625rem solid var(--color-login-signup-modal-border-dark);
    }

    .auth-modal {
        background-color: var(--color-login-signup-modal-background-dark);
        border: none;
        box-shadow: 0 0.25rem 1.5rem 0 var(--color-login-signup-modal-box-shadow-dark);
    }

    .auth-form h2 {
        color: var(--color-composium-teal);
    }

    .auth-description {
        color: var(--color-auth-description-color-dark);
    }

    .auth-input {
        background-color: var(--color-auth-input-background-dark);
        border-color: var(--color-auth-input-border-dark);
        color: var(--color-auth-input-color-dark);
    }

    .auth-input:focus {
        border-color: var(--color-composium-teal);
        box-shadow: 0 0 0 3px rgba(0, 128, 128, 0.2);
    }

    .auth-input::placeholder {
        color: var(--color-auth-input-placeholder-dark);
    }

    .auth-links {
        color: var(--color-auth-description-color-dark);
    }

    .auth-link:hover {
        color: var(--color-auth-link-hover-dark);
    }

    .auth-link-separator {
        color: var(--color-auth-link-separator-dark);
    }

    .password-rules {
        background: inherit;
    }

    .password-rules .rule {
        color: var(--color-auth-rules-color-dark);
    }

    .auth-provider-btn.google {
        background-color: #2d2d2d;
        color: #e8e8e8;
        border: 1px solid #444;
    }

    .auth-provider-btn.google:hover {
        background-color: #3a3a3a;
        border-color: #555;
    }

    .auth-provider-btn.apple {
        background-color: #1a1a1a;
        color: #fff;
        border: 1px solid #333;
    }

    .auth-provider-btn.apple:hover {
        background-color: #2d2d2d;
    }

    /* Copy modal dark mode */
    .copy-modal-backdrop {
        background: var(--color-modal-backdrop-background-dark);
    }

    .copy-modal {
        background-color: var(--color-login-signup-modal-background-dark);
        box-shadow: 0 0.25rem 1.5rem 0 var(--color-login-signup-modal-box-shadow-dark);
    }

    .copy-modal-textarea {
        background-color: var(--color-auth-input-background-dark);
        border-color: var(--color-auth-input-border-dark);
        color: var(--color-auth-input-color-dark);
    }

    .copy-modal-textarea:focus {
        border-color: var(--color-composium-teal);
        box-shadow: 0 0 0 3px rgba(99, 175, 134, 0.2);
    }

    .copy-modal-btn-primary {
        background-color: var(--color-gradient-button-background-dark);
        color: var(--color-gradient-button-color-dark);
    }

    .copy-modal-btn-primary:hover {
        background-color: var(--color-gradient-button-hover-background-dark);
    }


    .conversation-entry-option-button {
    background-color: none;
    border-radius: 0.3125rem;
}

    .conversation-entry:hover {
        background-color: #282828;
        }

    .conversation-entry:active {
        background-color: #333;
    }

    .conversation-entry-selected {
        background-color: #282828;
        border: 1px solid #444;
    }
    


    h2, h3, h4, h5, h6 {
        color: var(--color-heading-color-dark);
    }


    .sharethis-inline-share-buttons, .a2a_kit {
        filter: invert(70)!important;
    }
    
}





/* TABLETS **********************************************************************/
@media (max-width: 768px) {
    html, body {
        font-size: var(--tablet-root-font-size);
        overflow-x: hidden;
    }

    .chat-box, .top-stripe, .input-container {
        width: 100%; /* Increase width for smaller devices */
    }

    /* Mermaid Modal - Mobile optimizations */
    .mermaid-modal {
        width: 90vw;
        /* Let backdrop padding handle safe areas, just set max size */
        height: 85vh;
        max-height: 85vh;
    }

    /* Zoom controls - keep within modal bounds, backdrop padding handles safe areas */
    .mermaid-zoom-controls {
        gap: 0.75rem;
        top: 1rem;
        right: 1rem;
    }

    .mermaid-zoom-controls button {
        width: 3rem;      /* 48px - larger touch target */
        height: 3rem;
        font-size: 1.5rem;
        border-width: 3px;
    }

    .source-reference[data-year]::before {
        font-size: inherit;
    }
}




/* MOBILE SIDEBAR DRAWER ********************************************************/

/* Backdrop when mobile drawer is open */
.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.75s ease, visibility 0.75s ease;
}

.sidebar-backdrop.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Hamburger button - hidden on desktop */
.hamburger-btn {
    display: none;
}

/* Mobile layout - controlled by JS via body.mobile-layout class */
body.mobile-layout .sidebar-control {
    display: none !important;
}

body.mobile-layout .main-auth-buttons {
    display: none !important;
}

body.mobile-layout .top-stripe {
    flex-wrap: wrap;
    overflow: hidden;  /* Clip wrapped content */
}

body.mobile-layout .left-sidebar {
    position: fixed !important;
    z-index: 1000;
    height: 100dvh !important;
    top: 0 !important;
    left: 0;
    transform: translateX(-100%);
    transition: transform 0.75s ease !important;  /* Override base width transition */
    width: 260px !important;  /* Match desktop sidebar width */
    opacity: 1 !important;  /* Prevent .hidden class interference */
}

body.mobile-layout .left-sidebar.mobile-open {
    transform: translateX(0);
    opacity: 1 !important;
    pointer-events: auto !important;
}

body.mobile-layout .hamburger-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    min-width: 36px;
    background: var(--color-sidebar-background);
    border: none;
    cursor: pointer;
    padding: 0;
    margin-right: 8px;
    flex-shrink: 0;
    border-radius: 50%;
    animation: hamburger-glow 6s ease-in-out infinite;
}

@keyframes hamburger-glow {
    0%, 100% {
        box-shadow: 0 0 0 0 transparent;
        background-color: transparent;
    }
    50% {
        box-shadow: 0 0 7px 1.75px var(--color-composium-tangerine-semitrans);
        background-color: rgba(218, 165, 72, 0.15);  /* Composium tangerine tint */
    }
}

body.mobile-layout .hamburger-icon {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-brightest-color);
    position: relative;
    transition: background 0.3s ease;
}

body.mobile-layout .hamburger-icon::before,
body.mobile-layout .hamburger-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-brightest-color);
    left: 0;
    transition: transform 0.3s ease, top 0.3s ease, bottom 0.3s ease;
}

body.mobile-layout .hamburger-icon::before { top: -7px; }
body.mobile-layout .hamburger-icon::after { bottom: -7px; }

/* Close button inside sidebar (mobile only) */
.sidebar-close-btn {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 2rem;
    line-height: 1;
    color: var(--color-brightest-color);
    opacity: 0.7;
    transition: opacity 0.2s ease;
    z-index: 10;
}

.sidebar-close-btn:hover {
    opacity: 1;
}

/* MOBILE DEVICES ***************************************************************/

@media (max-height: 600px) {
    .suggestion-box {
        display: none;
    }
}
@media (max-width: 480px) {

    html, body {
        font-size: var(--mobile-root-font-size);
        overflow-x: hidden;
    }

    .source-reference[data-year]::before {
        font-size: 1em;
        left: 0;
    }

    .source-reference {
        padding-right: calc(0.3125rem + 0.125em);
    }

/* Media query to hide scroll indicator on small screens */
    #scroll-indicator {
      display: none;
    }

    .chat-box, .top-stripe {
        width: 100%; /* Use the full width for very small devices */
        max-width: 100%;
    }

    .input-container {
        width: 100%;
    }

    .tedxsup {
        vertical-align: +0.3rem;
    }

    .tedxsup-stripe {
        vertical-align: +0.4rem;
    }

    .top-stripe-name-heavy, .top-stripe-name-light {
        font-size: var(--mobile-top-stripe-name-heavy-font-size); /* Even smaller font size for mobile */
    }

    .user-input, input, .feedback-modal-content, .signup-email-password, .login-email-password {
        font-size: var(--mobile-user-input-font-size);
    }

    .sbgone {
        display: none;
    }

    .suggestion-box {
        height: 35dvh;
    }

    .markdown-body .message-content {
        max-width: 95%;
    }

    /* Drawer/hamburger styles moved to body.mobile-layout (JS-controlled breakpoint) */
}

/* =============================================================================
 * SHARED VIEW MODE STYLES
 * Styles for read-only conversation sharing view
 * ============================================================================= */

.shared-view-banner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 1rem;
    width: fit-content;
    /* Position at top-right of chat-box */
    align-self: flex-end;

    /* Transparent background with glow animation like hamburger */
    background: transparent;
    border: none;
    animation: bannerSlideIn 0.4s ease-out, shared-banner-glow 6s ease-in-out infinite 0.4s;
}

@keyframes shared-banner-glow {
    0%, 100% {
        box-shadow: 0 0 0 0 transparent;
    }
    50% {
        box-shadow: 0 0 10px 2px var(--color-composium-teal-semitrans);
    }
}

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

.shared-view-banner-content {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.shared-view-banner-text {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.shared-view-banner-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-default-dark-color);
    letter-spacing: -0.01em;
}

/* CTA Button - pill button */
.shared-view-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.625rem 1.125rem;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    border-radius: 2rem;
    cursor: pointer;
    text-decoration: none !important;
    transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);

    /* Gradient background */
    background: linear-gradient(135deg, var(--color-composium-teal) 0%, #4a9b7a 100%);
    color: white !important;
    border: none;

    /* Subtle shadow */
    box-shadow:
        0 2px 8px rgba(99, 175, 134, 0.35),
        0 1px 2px rgba(0, 0, 0, 0.1);
}

.shared-view-cta:hover {
    transform: translateY(-1px);
    box-shadow:
        0 4px 16px rgba(99, 175, 134, 0.45),
        0 2px 4px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #5db892 0%, #4a9b7a 100%);
    color: white !important;
}

.shared-view-cta:active {
    transform: translateY(0) scale(0.98);
    box-shadow:
        0 1px 4px rgba(99, 175, 134, 0.3),
        0 1px 2px rgba(0, 0, 0, 0.1);
}

.shared-view-cta svg {
    width: 1rem;
    height: 1rem;
}

/* When in shared view mode, hide toolbars on messages */
body.shared-view-mode .message-toolbar {
    display: none !important;
}

/* Ensure chat content is centered in shared view */
body.shared-view-mode .chat-box {
    padding-top: 1rem;
}

/* Hide header buttons in shared view */
body.shared-view-mode .header-buttons {
    visibility: hidden;
}

/* Dark mode adjustments - uses prefers-color-scheme like rest of codebase */
@media (prefers-color-scheme: dark) {
    .shared-view-banner-title {
        color: var(--color-default-light-color);
    }
}

/* Mobile adjustments */
@media (max-width: 600px) {
    .shared-view-banner {
        padding: 1rem;
        text-align: center;
        align-items: center;
        align-self: center;
        width: 90%;
        margin-left: 5%;
        margin-right: 5%;
    }

    .shared-view-banner-content {
        flex-direction: column;
        gap: 0.625rem;
    }

    .shared-view-banner-text {
        align-items: center;
    }

    .shared-view-cta {
        width: 100%;
        justify-content: center;
    }
}

/* Shared view error state */
.shared-view-error {
    text-align: center;
    padding: 3rem 2rem;
    max-width: 400px;
    margin: 2rem auto;
}

.shared-view-error h2 {
    color: var(--color-composium-mid-blue);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.shared-view-error p {
    color: var(--main-text-color);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.shared-view-error .gradient-btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    text-decoration: none;
}