/* public/css/markdown.css
 * “GPT Plus” Markdown for App/Chat/Dashboard UI
 * Highly opinionated, extra featured, fully accessible
 * Last updated: 2025-05-30
 */

/* ╭───── 1. DESIGN SYSTEM & VARS ─────╮ */
:root {
  /* -- COLORS -- */
  --md-bg:            transparent;
  --md-bg-dark:       transparent;
  --md-fg:            #23272f;
  --md-fg-dark:       #e6e9ef;
  --md-muted:         #6b7280;
  --md-muted-dark:    #b5bac8;
  --md-border:        #e5e7eb;
  --md-border-dark:   #283245;
  --md-radius:        0.5em;
  --md-spacing:       1.1em;

  /* -- LINKS -- */
  --md-link:          #2563eb;
  --md-link-hover:    #1d4ed8;
  --md-link-dark:     #60a5fa;
  --md-link-hover-dark: #93c5fd;

  /* -- CODE -- */
  --md-code-bg:       #f8f9fa;
  --md-code-bg-dark:  #222838;
  --md-inline-bg:     #f3f4f6;
  --md-inline-bg-dark:#374151;
  --md-code-fg:       #c2410c;
  --md-code-fg-dark:  #fbbf24;
  --md-code-copy-bg:  #fff;
  --md-code-copy-dark:#181f2e;

  /* -- TABLE -- */
  --md-table-bg:      #fafbfc;
  --md-table-bg-dark: #161d29;
  --md-table-row-alt: #f4f7fa;
  --md-table-row-alt-dark: #232b3d;

  /* -- ADMONITIONS -- */
  --md-admonition-info:    #38bdf8;
  --md-admonition-note:    #818cf8;
  --md-admonition-warning: #facc15;
  --md-admonition-danger:  #ef4444;
  --md-admonition-success: #22c55e;
  --md-admonition-tip:     #14b8a6;
  --md-admonition-bg-info:    #f0f9ff;
  --md-admonition-bg-note:    #f5f3ff;
  --md-admonition-bg-warning: #fef9c3;
  --md-admonition-bg-danger:  #fef2f2;
  --md-admonition-bg-success: #dcfce7;
  --md-admonition-bg-tip:     #ecfdf5;

  /* -- SPECIAL -- */
  --md-mark-bg:       #fef08a;
  --md-mark-bg-dark:  #fde68a;
  --md-kbd-bg:        #f3f4f6;
  --md-kbd-bg-dark:   #2a2e3b;
  --md-kbd-fg:        #222;
  --md-kbd-fg-dark:   #fff;

  /* -- FOOTNOTE -- */
  --md-fn-fg:         #6b7280;
  --md-fn-fg-dark:    #cbd5e1;
  --md-fn-size:       0.83rem;
}

/* ╭───── 2. BASE & LAYOUT ─────────────╮ */
.prose {
  color: var(--md-fg);
  background: var(--md-bg);
  font-size: 1.01rem;
  line-height: 1.8;
  font-family: 'Inter', system-ui, sans-serif;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.dark .prose {
  color: var(--md-fg-dark);
  background: var(--md-bg-dark);
}

/* Don’t restrict width, let the chat bubble or container do that */
.prose, .prose * { box-sizing: border-box; }

/* ╭───── 3. HEADINGS ───────────────╮ */
.prose h1, .prose h2, .prose h3,
.prose h4, .prose h5, .prose h6 {
  font-weight: 800;
  line-height: 1.22;
  margin: 1.3em 0 0.66em 0;
  letter-spacing: -0.01em;
}
.prose h1 { font-size: 1.8rem; }
.prose h2 { font-size: 1.43rem; }
.prose h3 { font-size: 1.2rem; }
.prose h4 { font-size: 1.07rem; }
.prose h5 { font-size: 0.97rem; }
.prose h6 { font-size: 0.89rem; opacity: 0.8; }
.prose h1, .prose h2, .prose h3 { border-bottom: 1.5px solid var(--md-border); padding-bottom: 0.18em; }
.dark .prose h1, .dark .prose h2, .dark .prose h3 { border-bottom-color: var(--md-border-dark); }

/* ╭───── 4. PARAGRAPHS & BLOCKS ─────╮ */
.prose p,
.prose ul,
.prose ol,
.prose pre,
.prose table,
.prose blockquote,
.prose hr,
.prose details,
.prose .admonition,
.prose figure {
  margin: 0.59em 0;
}

/* ╭───── 5. LISTS ───────────────────╮ */
.prose ul { list-style: disc;    padding-left: 1.2em; }
.prose ol { list-style: decimal; padding-left: 1.2em; }
.prose li { margin: 0.17em 0; }
.prose ul ul,
.prose ol ul,
.prose ul ol,
.prose ol ol { margin-top: 0.14em; margin-bottom: 0.12em; }
.prose li.task-list-item { list-style-type: none; }
.prose input[type="checkbox"] { margin-right: 0.5em; transform: translateY(2px); accent-color: var(--md-link); }
.dark .prose input[type="checkbox"] { accent-color: var(--md-link-dark); }

/* ╭───── 6. BLOCKQUOTES ─────────────╮ */
.prose blockquote {
  border-left: 5px solid var(--md-border);
  padding: 0.09em 1.2em;
  background: #f9fafb;
  color: var(--md-muted);
  font-style: italic;
  margin: 0.7em 0;
  border-radius: 0 0.4em 0.4em 0;
}
.dark .prose blockquote {
  border-left-color: var(--md-border-dark);
  background: #161d29;
  color: var(--md-muted-dark);
}

/* ╭───── 7. HORIZONTAL RULE ─────────╮ */
.prose hr {
  border: none;
  border-top: 1.5px solid var(--md-border);
  margin: 1.2em 0;
  opacity: 0.66;
}
.dark .prose hr { border-top-color: var(--md-border-dark); }

/* ╭───── 8. TABLES ──────────────────╮ */
.prose table { width: 100%; border-collapse: collapse; font-size: 0.97em; background: var(--md-table-bg); border-radius: var(--md-radius); }
.prose th, .prose td { border: 1px solid var(--md-border); padding: 0.43em 0.69em; }
.prose thead th { background: #f3f4f6; font-weight: 700; }
.prose tbody tr:nth-child(even) { background: var(--md-table-row-alt); }
.dark .prose table { background: var(--md-table-bg-dark); }
.dark .prose th, .dark .prose td { border-color: var(--md-border-dark); }
.dark .prose thead th { background: #1f2937; }
.dark .prose tbody tr:nth-child(even) { background: var(--md-table-row-alt-dark); }

/* Table captions */
.prose caption {
  color: var(--md-muted);
  font-size: 0.93em;
  text-align: left;
  margin-top: 0.4em;
  margin-bottom: 0.7em;
  font-style: italic;
}
.dark .prose caption { color: var(--md-muted-dark); }

/* ╭───── 9. LINKS ───────────────────╮ */
.prose a {
  color: var(--md-link);
  text-decoration: underline;
  text-underline-position: under;
  transition: color 0.18s;
  font-weight: 500;
  word-break: break-all;
}
.prose a:hover, .prose a:focus-visible { color: var(--md-link-hover); outline: none; }
.dark .prose a { color: var(--md-link-dark); }
.dark .prose a:hover, .dark .prose a:focus-visible { color: var(--md-link-hover-dark); }
.prose a[target="_blank"]::after {
  content: " ↗";
  font-size: 0.8em;
  opacity: 0.53;
}

/* ╭───── 10. CODE, PRE, COPY BUTTON ─╮ */
.prose code {
  background: var(--md-inline-bg);
  color: var(--md-code-fg);
  padding: 0.13em 0.36em;
  border-radius: var(--md-radius);
  font-size: 0.92em;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
}
.dark .prose code { background: var(--md-inline-bg-dark); color: var(--md-code-fg-dark); }
.prose code[class*="language-"] { background: none; padding: 0; color: inherit; }

/* CODE BLOCK */
.prose pre {
  background: var(--md-code-bg);
  border-radius: var(--md-radius);
  padding: 1em 1.3em;
  overflow-x: auto;
  margin: 0.7em 0;
  border: 1.5px solid var(--md-border);
  position: relative;
  font-size: 0.97em;
  box-shadow: 0 2px 24px rgba(31,41,55,0.04);
  transition: background 0.18s;
}
.dark .prose pre { background: var(--md-code-bg-dark); border-color: var(--md-border-dark); }

.prose pre code {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.98em;
  background: none !important;
  color: inherit;
  padding: 0;
  line-height: 1.67;
}

/* Copy Button UI for code blocks */
.prose pre .copy-code-btn {
  position: absolute;
  top: 0.48em;
  right: 0.85em;
  z-index: 2;
  font-size: 0.82em;
  padding: 0.18em 0.8em;
  background: var(--md-code-copy-bg);
  color: var(--md-link);
  border: 1.5px solid #dbeafe;
  border-radius: 0.33em;
  opacity: 0.25;
  cursor: pointer;
  transition: background 0.15s, opacity 0.2s;
  box-shadow: 0 1px 6px rgba(0,0,0,0.04);
  font-family: inherit;
  font-weight: 500;
}
.prose pre:hover .copy-code-btn,
.prose pre .copy-code-btn:focus,
.prose pre .copy-code-btn:active { opacity: 1; }
.prose pre .copy-code-btn:active { background: #e0e7ef; }
.prose pre .copy-code-btn:focus-visible { outline: 2px solid var(--md-link); }
.dark .prose pre .copy-code-btn { background: var(--md-code-copy-dark); color: var(--md-link-dark); border-color: #334155; }
.dark .prose pre .copy-code-btn:active { background: #1e293b; }

/* ╭───── 11. DIFF & PATCH HIGHLIGHTING ─╮ */
.prose pre.diff-highlight .inserted { background: #bbf7d0; color: #166534; }
.prose pre.diff-highlight .deleted  { background: #fecaca; color: #991b1b; }
.dark .prose pre.diff-highlight .inserted { background: #134e4a; color: #86efac; }
.dark .prose pre.diff-highlight .deleted  { background: #7f1d1d; color: #fecaca; }

/* ╭───── 12. MEDIA ────────────────────╮ */
.prose img, .prose video, .prose iframe {
  max-width: 100%;
  border-radius: var(--md-radius);
  display: block;
  margin: 1.1em auto;
  box-shadow: 0 1px 14px rgba(31,41,55,0.07);
}
.dark .prose img, .dark .prose video, .dark .prose iframe { background: #18181b; }

.prose figure { display: block; margin: 0.9em auto; }
.prose figcaption {
  text-align: center;
  color: var(--md-muted);
  font-size: 0.95em;
  margin-top: 0.33em;
  font-style: italic;
  opacity: 0.89;
}
.dark .prose figcaption { color: var(--md-muted-dark); }

/* ╭───── 13. DETAILS/SUMMARY ──────────╮ */
.prose details {
  margin: 0.8em 0;
  padding: 0.7em 1em;
  border: 1.5px solid var(--md-border);
  border-radius: var(--md-radius);
  background: #f6f7fb;
  transition: background 0.19s;
}
.prose details[open] { background: #f3f4f6; }
.prose details summary {
  cursor: pointer;
  font-weight: 700;
  margin-bottom: 0.4em;
  outline: none;
  transition: color 0.16s;
}
.prose details summary:focus { text-decoration: underline; color: var(--md-link); }
.dark .prose details { background: #1a2230; border-color: var(--md-border-dark); }
.dark .prose details[open] { background: #232b3d; }

/* ╭───── 14. ADMONITION & CALLOUTS ────╮ */
.prose .admonition {
  position: relative;
  border-left: 6px solid var(--md-link);
  background: #eef2ff;
  padding: 0.88em 1.2em 0.96em 1.2em;
  border-radius: var(--md-radius);
  margin: 1.2em 0;
  box-shadow: 0 1px 9px rgba(41,51,70,0.08);
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0.77em;
}
.prose .admonition-title {
  font-weight: 700;
  margin-bottom: 0.3em;
  font-size: 1em;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.35em;
}
.prose .admonition .icon {
  display: inline-flex;
  align-items: center;
  margin-right: 0.45em;
  font-size: 1.25em;
  opacity: 0.8;
}

/* Admonition types (matches icons/colors to semantic meaning) */
.prose .admonition.info    { border-left-color: var(--md-admonition-info);    background: var(--md-admonition-bg-info); }
.prose .admonition.note    { border-left-color: var(--md-admonition-note);    background: var(--md-admonition-bg-note); }
.prose .admonition.warning { border-left-color: var(--md-admonition-warning); background: var(--md-admonition-bg-warning);}
.prose .admonition.danger  { border-left-color: var(--md-admonition-danger);  background: var(--md-admonition-bg-danger);}
.prose .admonition.success { border-left-color: var(--md-admonition-success); background: var(--md-admonition-bg-success);}
.prose .admonition.tip     { border-left-color: var(--md-admonition-tip);     background: var(--md-admonition-bg-tip); }
.dark .prose .admonition.info    { background: #0c4a6e;   }
.dark .prose .admonition.note    { background: #312e81;   }
.dark .prose .admonition.warning { background: #854d0e;   }
.dark .prose .admonition.danger  { background: #7f1d1d;   }
.dark .prose .admonition.success { background: #166534;   }
.dark .prose .admonition.tip     { background: #115e59;   }

/* ╭───── 15. FOOTNOTES & DEFS ─────────╮ */
.prose sup.footnote-ref > a {
  font-size: 0.76em;
  vertical-align: super;
  text-decoration: none;
  color: var(--md-link);
  padding: 0 0.1em;
}
.dark .prose sup.footnote-ref > a { color: var(--md-link-dark); }
.prose section.footnotes {
  font-size: var(--md-fn-size);
  margin-top: 1.15em;
  border-top: 1px solid var(--md-border);
  color: var(--md-fn-fg);
  opacity: 0.97;
  padding-top: 0.7em;
}
.dark .prose section.footnotes {
  border-top-color: var(--md-border-dark);
  color: var(--md-fn-fg-dark);
}
.prose section.footnotes li { margin: 0.2em 0; }
.prose dl { margin: 0.55em 0; }
.prose dt { font-weight: 700; margin-top: 0.5em; }
.prose dd { margin-left: 1.24em; color: var(--md-muted); }
.dark .prose dd { color: var(--md-muted-dark); }

/* ╭───── 16. MISC TEXT: MARK, KBD, ABBR ─╮ */
.prose mark {
  background: var(--md-mark-bg);
  color: #92400e;
  padding: 0.1em 0.23em;
  border-radius: 0.23em;
}
.dark .prose mark {
  background: var(--md-mark-bg-dark);
  color: #fbbf24;
}
.prose abbr[title] {
  border-bottom: 1px dotted var(--md-muted);
  cursor: help;
  text-decoration: none;
  font-variant: all-small-caps;
  font-size: 0.93em;
  letter-spacing: 0.04em;
}
.prose kbd {
  background: var(--md-kbd-bg);
  color: var(--md-kbd-fg);
  border: 1.5px solid #e5e7eb;
  border-radius: 0.33em;
  box-shadow: 0 1px 3px #e5e7eb20;
  font-size: 0.89em;
  padding: 0.08em 0.42em;
  font-family: inherit;
  font-weight: 600;
  line-height: 1.15;
  vertical-align: 0.1em;
  user-select: all;
  margin: 0 0.13em;
}
.dark .prose kbd {
  background: var(--md-kbd-bg-dark);
  color: var(--md-kbd-fg-dark);
  border-color: #374151;
  box-shadow: 0 1px 3px #0f172a30;
}

/* ╭───── 17. MATH & SPECIALS ──────────╮ */
.prose .katex, .prose .MathJax { font-size: 1.05em; }
.prose .math.display { display: block; margin: 0.6em 0; }
.prose .math.inline  { display: inline; }

/* ╭───── 18. UTILITY CLASSES ──────────╮ */
.prose .text-center { text-align: center !important; }
.prose .text-right  { text-align: right  !important; }
.prose .text-left   { text-align: left   !important; }
.prose .mt-0        { margin-top: 0 !important; }
.prose .mb-0        { margin-bottom: 0 !important; }
.prose .py-0        { padding-top: 0 !important; padding-bottom: 0 !important; }
.prose .rounded     { border-radius: var(--md-radius) !important; }

/* ╭───── 19. HIGHLIGHT/SELECTION ──────╮ */
.prose ::selection      { background: #fee2e2; }
.dark .prose ::selection{ background: #7f1d1d; color: #fff; }

/* ╭───── 20. CHAT/APP BUBBLE OPTIM ────╮ */
.chat-message .prose:first-child { margin-top: 0; }
.chat-message .prose:last-child  { margin-bottom: 0; }

/* ╭───── 21. USER/AI MENTIONS ─────────╮ */
.prose .mention {
  color: #2563eb;
  background: #e0e7ff;
  border-radius: 0.25em;
  font-weight: 600;
  padding: 0.05em 0.35em;
  margin: 0 0.05em;
}
.dark .prose .mention {
  color: #a5b4fc;
  background: #1e293b;
}

/* ╭───── 22. TRANSITIONS/ACCESSIBILITY─╮ */
.prose a,
.prose details summary,
.prose .copy-code-btn,
.prose mark,
.prose kbd {
  transition: background 0.18s, color 0.15s, box-shadow 0.16s, border-color 0.14s;
  outline: none;
}
.prose a:focus-visible,
.prose .copy-code-btn:focus-visible,
.prose details summary:focus-visible {
  outline: 2.5px solid var(--md-link);
  outline-offset: 1.5px;
}

/* ╭───── 23. "EMPTY" & ERROR TEXT ─────╮ */
.prose .empty,
.prose .error-text {
  color: #d97706;
  background: #fef3c7;
  padding: 0.16em 0.5em;
  border-radius: 0.23em;
  font-size: 0.99em;
}
.dark .prose .empty,
.dark .prose .error-text {
  color: #fde68a;
  background: #7c2d12;
}

/* ╭───── 24. CUSTOM HIGHLIGHT LINE ────╮ */
.prose .highlight-line {
  display: block;
  background: #f3f4f6;
  border-left: 4px solid #fde68a;
  margin-left: -1.3em;
  padding-left: 0.6em;
}
.dark .prose .highlight-line {
  background: #232b3d;
  border-left-color: #facc15;
}

/* ╭───── 25. SMOOTH SCROLL FOR MEDIA ──╮ */
.prose pre, .prose code, .prose img, .prose table, .prose .admonition {
  scroll-margin-top: 3em;
}

/* ╭───── 26. "GAP" BETWEEN BUBBLES ────╮ */
.prose:not(:last-child) { margin-bottom: 1.3em; }

/* ╭───── END MARKDOWN.CSS ─────────────╮ */