.page-hero { padding: 64px 0 36px; border-bottom: 1px solid var(--line); }
.page-hero .eyebrow { color: var(--accent); font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.page-hero h1 { font-family: var(--display); font-size: clamp(34px, 5vw, 52px); letter-spacing: -.03em; line-height: 1.05; margin: 10px 0 12px; }
.page-hero p { color: var(--muted); font-size: 17px; max-width: 640px; }
.page-hero .updated { font-size: 13px; color: var(--dim); margin-top: 14px; }

.doc-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 56px; padding: 40px 20px 90px; }
.toc { position: sticky; top: 92px; align-self: start; display: grid; gap: 2px; max-height: calc(100vh - 110px); overflow-y: auto; }
.toc h5 { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--dim); margin: 14px 10px 6px; }
.toc h5:first-child { margin-top: 0; }
.toc a { padding: 6px 10px; border-radius: 8px; color: var(--muted); font-size: 14px; border-left: 2px solid transparent; }
.toc a:hover { color: var(--text); background: var(--panel); }
.toc a.on { color: var(--text); border-left-color: var(--accent); background: var(--panel); border-radius: 0 8px 8px 0; }
.toc-filter { margin-bottom: 10px; height: 38px; font-size: 14px; }

.prose { max-width: 760px; font-size: 15.5px; line-height: 1.7; color: #d9d6e3; }
.prose h2 { font-family: var(--display); font-size: 26px; letter-spacing: -.02em; color: var(--text); margin: 46px 0 12px; scroll-margin-top: 90px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 17px; color: var(--text); margin: 26px 0 8px; scroll-margin-top: 90px; }
.prose p { margin: 0 0 14px; }
.prose ul, .prose ol { margin: 0 0 16px 22px; display: grid; gap: 6px; }
.prose a { color: #c4a3ff; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(196, 163, 255, .4); }
.prose a:hover { text-decoration-color: currentColor; }
.prose code { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: .88em; background: var(--panel-2); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; }
.prose strong { color: var(--text); }
.prose table { width: 100%; border-collapse: collapse; margin: 6px 0 18px; font-size: 14px; display: block; overflow-x: auto; }
.prose th, .prose td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.prose section { scroll-margin-top: 90px; }
.prose section.hide { display: none; }
.callout { border: 1px solid var(--line-2); background: var(--panel); border-radius: 14px; padding: 14px 16px; margin: 4px 0 18px; font-size: 14.5px; }
.callout.vip { border-color: rgba(251, 191, 36, .35); background: rgba(251, 191, 36, .06); }
.callout.warn { border-color: rgba(244, 63, 94, .35); background: rgba(244, 63, 94, .06); }
.tag-vip { display: inline-block; font-size: 10.5px; font-weight: 700; letter-spacing: .05em; padding: 1px 7px; border-radius: 6px; background: rgba(251, 191, 36, .15); color: #fcd34d; vertical-align: 2px; margin-left: 4px; }
.doc-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 50px; padding-top: 24px; border-top: 1px solid var(--line); }

.help-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 36px 0 10px; }
.help-card { display: block; padding: 20px; border-radius: 16px; border: 1px solid var(--line); background: var(--panel); transition: .2s; }
.help-card:hover { border-color: var(--line-2); background: var(--panel-2); translate: 0 -2px; }
.help-card .ic { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-soft); color: #d8b4fe; margin-bottom: 12px; }
.help-card .ic svg { width: 20px; height: 20px; }
.help-card h3 { font-size: 16px; margin-bottom: 4px; }
.help-card p { color: var(--muted); font-size: 14px; }
.faq { display: grid; gap: 10px; margin-top: 14px; }
.faq details { border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.faq details[open] { border-color: var(--line-2); }
.faq summary { cursor: pointer; padding: 15px 18px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 14px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--muted); font-size: 20px; line-height: 1; transition: .2s; }
.faq details[open] summary::after { rotate: 45deg; }
.faq .a { padding: 0 18px 16px; color: #d9d6e3; font-size: 15px; line-height: 1.65; }
.faq .a a { color: #c4a3ff; text-decoration: underline; text-underline-offset: 3px; }
.faq-search { max-width: 520px; margin-top: 22px; }
.faq-group { font-family: var(--display); font-size: 20px; margin: 34px 0 4px; }

.form-card { border: 1px solid var(--line-2); background: var(--panel); border-radius: 18px; padding: 24px; margin: 10px 0 20px; display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: #d9d6e3; cursor: pointer; }
.check input { margin-top: 3px; accent-color: var(--accent); width: 16px; height: 16px; flex: none; }
.form-msg { font-size: 14px; padding: 12px 14px; border-radius: 12px; }
.form-msg.ok { background: rgba(34, 197, 94, .1); border: 1px solid rgba(34, 197, 94, .35); color: #86efac; }
.form-msg.err { background: rgba(244, 63, 94, .1); border: 1px solid rgba(244, 63, 94, .35); color: #fda4af; }
.req { color: #fda4af; }

@media (max-width: 860px) {
  .doc-layout { grid-template-columns: 1fr; gap: 24px; padding-top: 24px; }
  .toc { position: static; max-height: none; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); border: 1px solid var(--line); border-radius: 14px; padding: 10px; }
  .toc h5, .toc-filter { grid-column: 1 / -1; }
  .help-cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
.hidden { display: none !important; }