/* =========================================================================
   Deep-Research Report – Full Stylesheet (v2)
   -------------------------------------------------------------------------
   ● Added wrapper / avatar / bubble rules to fit the new HTML snippet
   ● Harmonised citation class names ( <sup class="citation"> )
   ● Included .content-divider utility for custom <hr>
   ========================================================================= */

   @import url("https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap");

   :root {
     /* Colours */
     --clr-text       : #000;
     --clr-bg         : #fff;
     --clr-bg-muted   : #f8f9fa;
     --clr-border     : rgba(0, 0, 0, .10);
     --clr-shadow-sm  : rgba(0, 0, 0, .08);
     --clr-shadow-lg  : rgba(0, 0, 0, .12);
     --clr-accent     : #2563eb;
     --clr-fade       : #6b7280;
   
     /* Accent gradient */
     --grad-accent    : linear-gradient(90deg, #7e22ce, #2563eb, #14b8a6);
   
     /* Spacing */
     --space-xs : .35rem;
     --space-sm : .5rem;
     --space-md : 1rem;
     --space-lg : 1.5rem;
   
     /* Radii */
     --radius-sm : .5rem;
     --radius-md : .75rem;
   
     /* Typography */
     --ff-base : -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
     --fs-h1   : 1.375rem;
     --fs-h2   : 1.25rem;
     --fs-h3   : 1.125rem;
     --fs-h4   : 1rem;
     --fs-body : .9375rem;
   }
   
   /* -------------------------------------------------------------------------
      1. Conversation-level wrappers (avatar + bubble layout)
      ------------------------------------------------------------------------- */
   .message-container.agent-message {
     margin-block: var(--space-lg);
   }
   
   .message-container.agent-message .flex {
  display: flex;
     align-items: flex-start;
     gap: var(--space-md);
   }
   
   .avatar-container {
     flex: 0 0 auto;
   }
   .agent-avatar {
     inline-size: 2.5rem;
     block-size: 2.5rem;
  border-radius: 50%;
     object-fit: cover;
     box-shadow: 0 0 0 1px var(--clr-border);
   }
   
   .message-bubble:has(.deep-research-card) { flex: 1; }
   .message-content{ display: block; }
   
   /* -------------------------------------------------------------------------
      2. Deep-research card (unchanged core styles + accent bar)
      ------------------------------------------------------------------------- */
   .message-container .message-bubble .deep-research-card {
     width: 100% !important;
     max-width: 640px !important;
     margin-inline: auto;
     border: 1px solid var(--clr-border);
     border-radius: var(--radius-md);
     background: var(--clr-bg);
     box-shadow: 0 4px 12px var(--clr-shadow-sm);
     transition: transform .3s, box-shadow .3s;
     font-family: var(--ff-base);
     overflow: hidden;
  position: relative;
   }
   .message-container .message-bubble .deep-research-card:hover {
     transform: translateY(-2px);
     box-shadow: 0 8px 24px var(--clr-shadow-lg);
   }
.deep-research-card::before {
  content: "";
  position: absolute;
     inset: 0 0 auto 0;
     height: 6px;
     background: var(--grad-accent);
     border-top-left-radius: inherit;
     border-top-right-radius: inherit;
     z-index: 5;
   }
   
   /* -------------------------------------------------------------------------
      3. Header & icon
      ------------------------------------------------------------------------- */
   .deep-research-header {
  display: flex;
  align-items: center;
     padding: var(--space-md) var(--space-lg);
     background: var(--clr-bg);
     border-block-end: 1px solid var(--clr-border);
  position: relative;
     z-index: 10;
   }
   .research-icon {
     inline-size: 2rem;
     block-size: 2rem;
  display: grid;
     place-content: center;
     margin-inline-end: var(--space-sm);
  border-radius: 50%;
     background: rgba(0, 0, 0, .05);
     box-shadow: 0 2px 6px rgba(0, 0, 0, .1);
     color: var(--clr-text);
     font-size: 1rem;
   }
   .deep-research-header h2 {
  flex: 1;
  margin: 0;
     font-size: 1.3rem;
  font-weight: 700;
     text-transform: uppercase;
     letter-spacing: .015em;
     color: var(--clr-text);
   }
   
   /* -------------------------------------------------------------------------
      4. Research content body
      ------------------------------------------------------------------------- */
   .research-content {
     padding: var(--space-lg) var(--space-lg) calc(var(--space-lg) + .5rem);
     font: var(--fs-body)/1.7 var(--ff-base);
     color: var(--clr-text);
     background: var(--clr-bg);
     white-space: pre-wrap;
     word-break: break-word;
     overflow-wrap: anywhere;
   }
   .research-content > * { margin-block-end: var(--space-md); }
   .research-content > *:first-child { margin-block-start: 0; }
   
   /* Headings */
   .research-content h1,
   .research-content h2,
   .research-content h3,
   .research-content h4 {
     margin-block: var(--space-lg) var(--space-md);
  font-weight: 700;
     color: var(--clr-text);
   }
   .research-content h1 { font-size: var(--fs-h1); padding-block-end: .5rem; border-block-end: 1px solid var(--clr-border); }
   .research-content h2 { font-size: var(--fs-h2); }
   .research-content h3 { font-size: var(--fs-h3); }
   .research-content h4 { font-size: var(--fs-h4); }
   
   /* Paragraphs */
   .research-content p { margin: 0 0 var(--space-md); }
   
   /* Lists */
   .research-content ul,
   .research-content ol {
     margin: var(--space-md) 0;
     padding-inline-start: 1.25rem;
   }
   .research-content li { margin-block-end: .4rem; }
   
   /* Numbered list style */
   .research-content ol {
     list-style: none;
     counter-reset: item;
   }
   .research-content ol > li {
     counter-increment: item;
  position: relative;
     padding-inline-start: 1.75rem;
   }
   .research-content ol > li::before {
     content: counter(item) ".";
  position: absolute;
     inset-inline-start: 0;
     font-weight: 700;
     color: var(--clr-accent);
   }
   
   /* Links */
   .research-content a { color: var(--clr-accent); text-decoration: underline; }
   .research-content a:hover { opacity: .85; }
   .research-content a[target="_blank"]::after { content: "↗"; font-size: .75em; margin-inline-start: .15em; }
   
   /* Custom content divider */
   hr.content-divider,
   .research-content hr {
     border: 0; height: 1px; background: var(--clr-border); margin-block: var(--space-lg);
   }
   
   /* Highlight boxes */
   .research-content .location,
   .research-content .venue,
   .research-content .item {
     background: var(--clr-bg-muted);
     border-inline-start: 3px solid var(--clr-text);
     border-radius: var(--radius-sm);
     padding: var(--space-md);
     margin-block-end: var(--space-md);
   }
   .research-content .item-title,
   .research-content .location-name,
   .research-content .venue-name {
  font-weight: 700;
     margin-block-end: var(--space-xs);
     font-size: var(--fs-h4);
   }
   
   /* Tables */
   .research-content table { width: 100%; border-collapse: collapse; margin-block: var(--space-lg); font-size: var(--fs-body); border: 1px solid #e2e8f0; }
   .research-content th, .research-content td { padding: .75rem; }
   .research-content th { background: var(--clr-bg-muted); font-weight: 700; border-block-end: 2px solid #e2e8f0; }
   .research-content td { border-block-end: 1px solid #e2e8f0; }
   .research-content tr:hover { background: #f8fafc; }
   
   /* Citations (supports class="citation" & class="citation-ref") */
   sup.citation,
   sup.citation-ref {
     font-size: .65em;
    font-weight: 700;
     color: var(--clr-accent);
     vertical-align: baseline;
     cursor: pointer;
   }
   sup.citation::after,
   sup.citation-ref::after {
     content: "";
  display: inline-block;
     width: .55em;
     border-bottom: 1px dotted currentColor;
  transform: translateY(-2px);
}

   /* Footnotes */
   .footnotes { margin-block: var(--space-lg); font-size: .85rem; background: var(--clr-bg-muted); border-radius: var(--radius-sm); padding: var(--space-md); }
   .footnotes h4 { margin: 0 0 var(--space-sm); font-size: var(--fs-h4); color: var(--clr-accent); }
   .footnotes ol { margin: 0; padding-inline-start: 1.25rem; }
   .footnotes li { margin-block-end: .35rem; }
   
   /* Thinking process collapsible */
   details.thinking-process { background: var(--clr-bg-muted); border-left: 4px solid var(--clr-accent); border-radius: var(--radius-sm); margin-block: var(--space-lg); }
   
   details.thinking-process summary { padding: var(--space-sm) var(--space-md); cursor: pointer; font-weight: 600; color: var(--clr-accent); list-style: none; }
   
   details.thinking-process summary::-webkit-details-marker { display: none; }
   
   details.thinking-process > *:not(summary) { padding: var(--space-sm) var(--space-md) var(--space-md); font-size: .9rem; color: var(--clr-fade); border-block-start: 1px solid var(--clr-border); }
   
   /* Dark-mode override */
   body.dark-mode .deep-research-card, body.dark-mode .deep-research-card * { color: var(--clr-text) !important; }
   body.dark-mode .deep-research-card { background: var(--clr-bg) !important; border-color: var(--clr-border) !important; box-shadow: 0 10px 25px rgba(0,0,0,.2), 0 5px 15px rgba(0,0,0,.1); }
   
   /* Responsive */
@media (max-width: 768px) {
     .deep-research-header { padding: var(--space-sm) var(--space-md); }
     .deep-research-header h2 { font-size: var(--fs-h4); }
     .research-content { font-size: .875rem; padding: var(--space-md); }
     .research-content h1 { font-size: var(--fs-h2); }
     .research-content h2 { font-size: var(--fs-h3); }
     .research-content h3 { font-size: var(--fs-h4); }
     .message-container .message-bubble .deep-research-card { max-width: 100% !important; }
   }
   
   /* -------------------------------------------------------------------------
      5. Width-safety overrides
      -------------------------------------------------------------------------
      Forces consistent width for message bubbles containing DeepResearch
      components to ensure they display correctly regardless of inline styles
      ------------------------------------------------------------------------- */
   
   /* Ensure DeepResearch components have proper width constraints */
   .agent-message .message-bubble .deep-research-component-container,
   .agent-message .message-bubble .premium-deep-research-container,
   .agent-message .message-bubble .deep-research-card {
     width: 100% !important;
     margin-left: auto !important;
     margin-right: auto !important;
   }
   
   /* Enforce max-width directly on the component for consistent sizing */
  .deep-research-card {
     max-width: 640px !important;
     width: 100% !important;
   }