/* =========================================================================
   VibeBI — shared design system
   Theme: desktop app icon (blue → indigo → purple → pink prism) as the
   primary palette; desktop left-rail section accents as secondary accents.
   Fonts: macOS system sans for UI; monospace for code / prompts / commands.
   ========================================================================= */

:root {
  color-scheme: dark;

  /* --- Primary brand spectrum (from desktop icon gradient) --- */
  --blue: #2f68ff;
  --indigo: #4b53d6;
  --violet: #7b3cf0;
  --purple: #9d35ff;
  --orchid: #c179ff;
  --pink: #ff6ad5;

  /* --- Section accents (desktop left-rail themes) --- */
  --acc-refinery: #6ecfff; /* cyan — silver refinery */
  --acc-knowledge: #b8e86a; /* green — know-how */
  --acc-governance: #f5a623; /* amber — governance */
  --acc-gold: #d4af37; /* gold — gold models */
  --acc-catalog: #d77757; /* terracotta — catalog */

  /* --- Surfaces (warm-tinted deep dark) --- */
  --bg: #07060d;
  --bg-soft: #0b0913;
  --bg-panel: #100d1b;
  --bg-panel-2: #15111f;
  --bg-elevated: #1a1426;
  --surface-glass: rgba(20, 16, 32, 0.62);

  /* --- Text --- */
  --text: #f1ecfb;
  --text-strong: #ffffff;
  --muted: #a99fc2;
  --muted-soft: #7d738f;

  /* --- Lines --- */
  --border: rgba(157, 53, 255, 0.14);
  --border-soft: rgba(199, 121, 255, 0.09);
  --border-strong: rgba(199, 121, 255, 0.28);

  /* --- Brand gradients --- */
  --grad-brand: linear-gradient(115deg, #2f68ff 0%, #7b3cf0 48%, #c179ff 78%, #ff6ad5 100%);
  --grad-brand-soft: linear-gradient(115deg, rgba(47, 104, 255, 0.16), rgba(157, 53, 255, 0.16) 55%, rgba(255, 106, 213, 0.14));
  --grad-text: linear-gradient(100deg, #8fb6ff 0%, #c179ff 50%, #ff9ae0 100%);

  /* --- Type --- */
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display",
    "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", "SFMono-Regular", "JetBrains Mono", "Cascadia Code",
    "Menlo", ui-monospace, monospace;

  --maxw: 1120px;
  --radius: 16px;
  --radius-sm: 10px;
  --ease: cubic-bezier(0.22, 0.8, 0.24, 1);

  font-family: var(--font-sans);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 88px; overflow-x: clip; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: clip;
  position: relative;
}

/* Ambient aurora background shared on every page */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60vw 50vh at 12% -8%, rgba(47, 104, 255, 0.18), transparent 60%),
    radial-gradient(55vw 55vh at 92% 4%, rgba(255, 106, 213, 0.13), transparent 60%),
    radial-gradient(70vw 60vh at 50% 108%, rgba(157, 53, 255, 0.16), transparent 62%);
  pointer-events: none;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(199, 121, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(199, 121, 255, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
  pointer-events: none;
}

a { color: var(--orchid); text-decoration: none; }
a:hover { color: var(--pink); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text-strong);
  margin: 0 0 0.5em;
}

p { margin: 0 0 1em; color: var(--muted); }
strong { color: var(--text); font-weight: 600; }

code, kbd, pre, samp {
  font-family: var(--font-mono);
  font-feature-settings: "calt" 0;
}

code:not(pre code) {
  background: rgba(157, 53, 255, 0.12);
  border: 1px solid var(--border-soft);
  border-radius: 5px;
  padding: 0.12em 0.42em;
  font-size: 0.86em;
  color: #d9c8ff;
}

pre {
  background: linear-gradient(180deg, #0d0a16, #0a0812);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.25rem;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  font-size: 0.84rem;
  line-height: 1.62;
  color: #cdbff0;
  margin: 0 0 1.2rem;
  position: relative;
}
pre code { background: none; border: 0; padding: 0; color: inherit; font-size: inherit; }

.tok-cmd { color: #8fb6ff; }
.tok-flag { color: #c179ff; }
.tok-str { color: #b8e86a; }
.tok-comment { color: var(--muted-soft); font-style: italic; }

/* ---------- Layout helpers ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 84px 0; }
.section-tight { padding: 56px 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orchid);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: linear-gradient(90deg, var(--purple), transparent);
}

.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lead { font-size: 1.18rem; color: var(--muted); max-width: 46ch; }

/* ---------- Top navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px) saturate(140%);
  background: rgba(7, 6, 13, 0.72);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand { display: flex; align-items: center; gap: 11px; font-weight: 600; color: var(--text-strong); }
.brand img { width: 30px; height: 30px; border-radius: 8px; box-shadow: 0 4px 18px rgba(123, 60, 240, 0.45); }
.brand span { font-family: var(--font-display); font-size: 1.08rem; letter-spacing: -0.02em; }
.brand b { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-weight: 700; }
.brand-ch { display: inline; }
.brand-ch-em { color: var(--orchid); font-weight: 700; }
.brand:hover .brand-ch { animation: brand-ch-pulse 1.2s ease-in-out infinite both; animation-delay: calc(var(--i) * 0.13s); }
@keyframes brand-ch-pulse { 0%, 100% { opacity: 0.3; } 35%, 55% { opacity: 1; text-shadow: 0 0 12px rgba(193, 121, 255, 0.85); } }

.nav-links { margin-left: auto; display: flex; gap: 4px; align-items: center; }
.nav-links a {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 8px 13px;
  border-radius: 9px;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--text-strong); background: rgba(157, 53, 255, 0.1); }
.nav-links a.active { color: var(--text-strong); background: var(--grad-brand-soft); }

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none; border: 0; cursor: pointer;
  width: 40px; height: 40px;
  color: var(--text);
}
.nav-toggle svg { width: 24px; height: 24px; }

@media (max-width: 860px) {
  .nav-toggle { display: grid; place-items: center; }
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    gap: 2px;
    padding: 12px 16px 18px;
    background: rgba(10, 8, 18, 0.97);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(18px);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: 0.22s var(--ease);
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { width: 100%; padding: 12px 14px; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s var(--ease), box-shadow 0.25s, filter 0.2s;
  white-space: nowrap;
}
.btn-primary {
  color: #fff;
  background: var(--grad-brand);
  box-shadow: 0 10px 34px rgba(123, 60, 240, 0.45);
}
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.07); color: #fff; }
.btn-ghost {
  color: var(--text);
  background: rgba(157, 53, 255, 0.07);
  border-color: var(--border-strong);
}
.btn-ghost:hover { background: rgba(157, 53, 255, 0.15); color: var(--text-strong); transform: translateY(-2px); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  backdrop-filter: blur(8px);
  transition: border-color 0.25s, transform 0.25s var(--ease), box-shadow 0.3s;
}
.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.4);
}
.card h3 { font-size: 1.14rem; margin-bottom: 0.5em; }
.card p { font-size: 0.95rem; margin: 0; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* card accent dot */
.dot { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; margin-bottom: 16px; font-size: 1.2rem; }
.dot-blue { background: rgba(47, 104, 255, 0.16); border: 1px solid rgba(47, 104, 255, 0.4); }
.dot-purple { background: rgba(157, 53, 255, 0.16); border: 1px solid rgba(157, 53, 255, 0.4); }
.dot-pink { background: rgba(255, 106, 213, 0.16); border: 1px solid rgba(255, 106, 213, 0.4); }
.dot-cyan { background: rgba(110, 207, 255, 0.16); border: 1px solid rgba(110, 207, 255, 0.4); }
.dot-amber { background: rgba(245, 166, 35, 0.16); border: 1px solid rgba(245, 166, 35, 0.4); }
.dot-green { background: rgba(184, 232, 106, 0.16); border: 1px solid rgba(184, 232, 106, 0.4); }
.dot-gold { background: rgba(212, 175, 55, 0.16); border: 1px solid rgba(212, 175, 55, 0.4); }
.dot-terra { background: rgba(215, 119, 87, 0.16); border: 1px solid rgba(215, 119, 87, 0.4); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 92px 0 70px; overflow: hidden; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); margin-bottom: 0.35em; }
.hero .lead { font-size: clamp(1.05rem, 2.4vw, 1.35rem); max-width: 56ch; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.prism {
  position: absolute;
  right: -4%;
  top: 8%;
  width: clamp(220px, 34vw, 420px);
  filter: drop-shadow(0 30px 80px rgba(123, 60, 240, 0.5));
  animation: float 7s ease-in-out infinite;
  pointer-events: none;
  opacity: 0.96;
}
@keyframes float { 0%,100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-18px) rotate(-2deg); } }
@media (max-width: 860px) { .prism { display: none; } }

/* metric strip */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.metric { background: var(--bg-panel); padding: 24px 20px; text-align: center; }
.metric .num { font-family: var(--font-display); font-size: clamp(1.6rem, 3.5vw, 2.3rem); font-weight: 700; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.metric .lab { font-size: 0.82rem; color: var(--muted); margin-top: 4px; }
@media (max-width: 720px) { .metrics { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Before / After ---------- */
.ba { display: grid; grid-template-columns: 1fr auto 1fr; gap: 22px; align-items: stretch; }
.ba .col { padding: 26px; border-radius: var(--radius); border: 1px solid var(--border); }
.ba .before { background: rgba(255, 90, 90, 0.05); border-color: rgba(255, 120, 120, 0.2); }
.ba .after { background: rgba(110, 207, 255, 0.06); border-color: rgba(110, 207, 255, 0.26); }
.ba .arrow { display: grid; place-items: center; color: var(--orchid); font-size: 1.6rem; }
.ba h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.12em; font-family: var(--font-mono); }
.ba .before h4 { color: #ff8f8f; }
.ba .after h4 { color: var(--acc-refinery); }
@media (max-width: 820px) { .ba { grid-template-columns: 1fr; } .ba .arrow { transform: rotate(90deg); } }

/* ---------- Table of contents (sticky) ---------- */
.doc-layout { display: grid; grid-template-columns: 230px 1fr; gap: 48px; align-items: start; }
.toc { position: sticky; top: 92px; font-size: 0.88rem; }
.toc h5 { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-soft); margin: 0 0 12px; }
.toc-toggle { display: none; }
.toc-links-wrap { display: contents; }
.toc a { display: block; color: var(--muted); padding: 6px 12px; border-left: 2px solid transparent; border-radius: 0 6px 6px 0; transition: 0.18s; }
.toc a:hover { color: var(--text); background: rgba(157, 53, 255, 0.07); }
.toc a.active { color: var(--text-strong); border-left-color: var(--purple); background: var(--grad-brand-soft); }
.doc-body { min-width: 0; }
.doc-body section { scroll-margin-top: 92px; margin-bottom: 56px; }
.doc-body h2 { font-size: 1.5rem; margin-bottom: 0.6em; padding-bottom: 0.4em; border-bottom: 1px solid var(--border); }
.doc-body h3 { font-size: 1.12rem; margin-top: 1.6em; }
.doc-body p, .doc-body li { color: var(--muted); }
.doc-body li { margin-bottom: 0.4em; }
@media (max-width: 900px) {
  .doc-layout { grid-template-columns: 1fr; }
  .doc-body section { scroll-margin-top: 112px; }
  .toc {
    position: sticky;
    top: 59px;
    z-index: 50;
    margin-bottom: 0;
    padding: 0;
    border: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: rgba(7, 6, 13, 0.94);
    backdrop-filter: blur(18px) saturate(140%);
  }
  .toc h5 { display: none; }
  .toc-toggle {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    padding: 11px 16px;
    background: none;
    border: 0;
    color: var(--text);
    font-size: 0.86rem;
    font-family: var(--font-mono);
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 0.04em;
  }
  .toc-toggle svg { transition: transform 0.22s var(--ease); flex-shrink: 0; }
  .toc.open .toc-toggle svg { transform: rotate(180deg); }
  .toc-links-wrap {
    display: block;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.3s var(--ease);
  }
  .toc.open .toc-links-wrap { max-height: 520px; }
  .toc a { border-left: 0; padding: 9px 16px; }
  .toc a:last-child { padding-bottom: 14px; }
}

/* tables */
.tbl { width: 100%; border-collapse: collapse; font-size: 0.9rem; margin: 0 0 1.4rem; }
.tbl th, .tbl td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); }
.tbl th { color: var(--text-strong); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; background: rgba(157, 53, 255, 0.06); }
.tbl td { color: var(--muted); }
.tbl tr:hover td { background: rgba(157, 53, 255, 0.04); }
.tbl-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); }

/* tag/pill */
.pill { display: inline-block; font-family: var(--font-mono); font-size: 0.72rem; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--border-strong); color: var(--orchid); background: rgba(157, 53, 255, 0.08); }

/* steps */
.steps { counter-reset: step; display: grid; gap: 18px; }
.step { position: relative; padding: 22px 24px 22px 64px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-glass); min-width: 0; }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 20px; top: 22px; width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; color: #fff; background: var(--grad-brand); font-size: 0.95rem; }
.step h3 { font-size: 1.05rem; margin-bottom: 0.35em; }
.step p { font-size: 0.93rem; margin-bottom: 0.7em; }
.step p:last-child { margin-bottom: 0; }

/* note callout */
.note { display: block; padding: 14px 16px; border-radius: var(--radius-sm); background: rgba(245, 166, 35, 0.07); border: 1px solid rgba(245, 166, 35, 0.25); font-size: 0.88rem; color: var(--muted); margin: 0 0 1.2rem; }
.note b { color: var(--acc-governance); }
.note.info { background: rgba(110, 207, 255, 0.06); border-color: rgba(110, 207, 255, 0.22); }
.note.info b { color: var(--acc-refinery); }

/* download row */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 820px) { .dl-grid { grid-template-columns: 1fr; } }
.dl-card { padding: 24px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface-glass); display: flex; flex-direction: column; }
.dl-card .dot { margin-bottom: 14px; }
.dl-card h3 { font-size: 1.06rem; }
.dl-card p { font-size: 0.9rem; flex: 1; }
.dl-soon { margin-top: 14px; font-family: var(--font-mono); font-size: 0.74rem; color: var(--muted-soft); display: inline-flex; align-items: center; gap: 7px; }
.dl-soon::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--acc-governance); box-shadow: 0 0 10px var(--acc-governance); animation: pulse 1.8s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

/* ---------- Feedback form ---------- */
.form { display: grid; gap: 16px; max-width: 620px; }
.form-row { display: grid; gap: 7px; }
.form label { font-size: 0.82rem; color: var(--text); font-weight: 600; }
.form input, .form select, .form textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 11px 13px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form textarea { min-height: 130px; resize: vertical; font-family: var(--font-mono); font-size: 0.88rem; }
.form select {
  appearance: none;
  -webkit-appearance: none;
  background-color: var(--bg-panel);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239b8cc0' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 12px 12px;
  padding-right: 40px;
  line-height: 1.45;
  cursor: pointer;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--purple); box-shadow: 0 0 0 3px rgba(157, 53, 255, 0.18); }
.form-msg { font-size: 0.9rem; padding: 11px 14px; border-radius: 10px; display: none; }
.form-msg.ok { display: block; background: rgba(184, 232, 106, 0.1); border: 1px solid rgba(184, 232, 106, 0.3); color: var(--acc-knowledge); }
.form-msg.err { display: block; background: rgba(255, 90, 90, 0.1); border: 1px solid rgba(255, 120, 120, 0.3); color: #ff9f9f; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 48px 0 60px; margin-top: 40px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 28px; justify-content: space-between; align-items: flex-start; }
.footer .brand { margin-bottom: 12px; }
.footer-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.footer-col h6 { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-soft); margin: 0 0 12px; }
.footer-col a { display: block; color: var(--muted); font-size: 0.9rem; padding: 4px 0; }
.footer-col a:hover { color: var(--text-strong); }
.footer-note { font-size: 0.82rem; color: var(--muted-soft); max-width: 30ch; }
.footer-bottom { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--border-soft); font-size: 0.8rem; color: var(--muted-soft); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* page hero (inner pages) */
.page-hero { padding: 72px 0 28px; }
.page-hero h1 { font-size: clamp(2rem, 5vw, 3.1rem); }
.page-hero .lead { max-width: 60ch; }

/* mermaid diagram cards */
.diagram-card { background: var(--bg-soft); border: 1px solid rgba(157,53,255,0.18); border-radius: var(--radius); padding: 22px; margin-bottom: 22px; overflow: visible; position: relative; }
.diagram-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--grad-brand); border-radius: var(--radius) var(--radius) 0 0; pointer-events: none; }
.diagram-card > h3 { font-size: 1.06rem; margin-bottom: 4px; }
.diagram-card > .cap { font-size: 0.86rem; color: var(--muted); margin-bottom: 16px; }
.diagram-box { background: rgba(10,7,22,0.55); border: 1px solid rgba(157,53,255,0.28); border-radius: var(--radius-sm); padding: 18px; overflow-x: auto; overscroll-behavior-x: contain; box-shadow: 0 0 24px rgba(123,60,240,0.08), inset 0 1px 0 rgba(255,255,255,0.04); animation: diagram-pulse 5s ease-in-out infinite; transition: border-color 0.35s, box-shadow 0.35s; }
.diagram-box:hover { border-color: rgba(193,121,255,0.55); box-shadow: 0 0 44px rgba(123,60,240,0.22), inset 0 1px 0 rgba(255,255,255,0.06); animation-play-state: paused; }
.diagram-box .mermaid { width: auto; display: inline-block; }
.diagram-box svg { display: block; max-width: none; height: auto; animation: diagram-fade 0.7s cubic-bezier(0.22,0.8,0.24,1) both; }
/* Reset leaked page typography inside mermaid html labels so node text stays vertically centered */
.diagram-box .nodeLabel, .diagram-box .edgeLabel, .diagram-box .cluster-label,
.diagram-box foreignObject p, .diagram-box foreignObject div, .diagram-box .nodeLabel p, .diagram-box .edgeLabel p, .diagram-box .cluster-label p {
  margin: 0; padding: 0; line-height: 1.35; color: inherit;
}
@keyframes diagram-pulse { 0%,100% { box-shadow: 0 0 20px rgba(123,60,240,0.06), inset 0 1px 0 rgba(255,255,255,0.04); } 50% { box-shadow: 0 0 38px rgba(123,60,240,0.17), inset 0 1px 0 rgba(255,255,255,0.04); } }
@keyframes diagram-fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .diagram-box { animation: none; } .diagram-box svg { animation: none; } }