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24px;border:var(--border);border-radius:var(--radius-md);overflow:hidden;background:var(--surface);box-shadow:var(--shadow-sm)}.preview-chrome{display:flex;align-items:center;gap:6px;padding:10px 16px;border-bottom:var(--border);background:var(--surface-sunk)}.preview-dot{width:10px;height:10px;border-radius:999px;background:var(--line-2)}.preview-chrome-label{font-size:10px}.preview-body{display:grid;grid-template-columns:1fr 200px;gap:16px;padding:16px;background:var(--paper)}.preview-stage{border:var(--border-dashed);border-radius:var(--radius-sm);background:radial-gradient(circle,rgba(211,206,193,.5) 1px,transparent 1px),var(--surface-sunk);background-size:16px 16px,100% 100%;padding:12px;display:flex;flex-direction:column;gap:8px}.stage-card{background:var(--surface);border:var(--border);box-shadow:var(--shadow-xs);border-radius:var(--radius-xs);padding:10px 12px;transition:all .3s var(--ease)}.stage-card.is-selected{border-color:var(--ink);box-shadow:var(--shadow-focus)}.stage-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:5px}.stage-card-type{display:inline-flex;align-items:center;gap:6px;color:var(--ink-3)}.stage-card-actions{display:flex;gap:2px}.stage-btn{border:none;background:transparent;color:var(--ink-3);cursor:pointer;padding:2px 5px;border-radius:3px;font-size:12px;transition:all var(--dur-hover) var(--ease)}.stage-btn:hover{background:var(--surface-sunk);color:var(--ink)}.stage-btn.is-active{background:var(--ink);color:var(--paper)}.stage-card-label{font-size:13px;font-weight:500;color:var(--ink)}.req-star{color:var(--danger);margin-left:2px}.preview-controls{border:var(--border);border-radius:var(--radius-sm);background:var(--surface);padding:12px;height:fit-content}.preview-controls-title{font-size:12px;font-weight:600;margin-bottom:10px;color:var(--ink)}.preview-controls-grid{display:grid;grid-template-columns:1fr 1fr;gap:5px}.ctrl-chip{display:flex;align-items:center;gap:6px;padding:6px 8px;border:var(--border);border-radius:var(--radius-xs);background:var(--paper);font-size:11px;cursor:grab;color:var(--ink-2);transition:all var(--dur-hover) var(--ease)}.ctrl-chip:hover{border-color:var(--line-2);color:var(--ink)}.preview-footer{display:flex;gap:8px;justify-content:flex-end;padding:10px 16px 14px;border-top:var(--border);background:var(--paper)}.btn-outline-sm{font-family:var(--font-sans);font-size:13px;padding:7px 14px;background:var(--surface);color:var(--ink);border:1px solid var(--line-2);border-radius:var(--radius-xs);cursor:pointer;transition:all var(--dur-hover) var(--ease)}.btn-outline-sm:hover{border-color:var(--ink)}.btn-accent-sm{font-family:var(--font-sans);font-size:13px;font-weight:500;padding:7px 14px;background:var(--accent);color:var(--accent-ink);border:1px solid var(--accent);border-radius:var(--radius-xs);cursor:pointer;transition:all var(--dur-hover) var(--ease)}.btn-accent-sm:hover{background:var(--accent-hover)}.toc{position:sticky;top:calc(var(--header-h) + var(--space-8));font-size:13px;align-self:start;padding-top:var(--space-8)}.toc-heading{margin-bottom:12px}.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line)}.toc-link{display:block;padding:4px 14px;margin-left:-1px;color:var(--ink-3);border-left:2px solid transparent;text-decoration:none;transition:all var(--dur-hover) var(--ease);font-size:12.5px}.toc-link:hover{color:var(--ink)}.toc-link.is-active{color:var(--ink);font-weight:500;border-left-color:var(--accent)}.page-footer{margin-top:var(--space-9);padding:var(--space-5) 0;border-top:var(--border);display:flex;justify-content:space-between;font-size:13px;color:var(--ink-3)}.page-footer a{color:var(--ink-3);text-decoration:none;transition:color var(--dur-hover) var(--ease)}.page-footer a:hover{color:var(--ink)}.hide-mobile{display:inline}@media(max-width:960px){.shell{grid-template-columns:1fr}.sidebar{display:none}.content-grid{grid-template-columns:1fr}.toc{display:none}.hero{margin:0 calc(-1 * var(--space-5));padding:var(--space-8) var(--space-5)}.hero-headline{font-size:38px}.hero-deco{display:none}.main{padding:0 var(--space-5) var(--space-10)}.preview-body{grid-template-columns:1fr}.hide-mobile{display:none}.section-title:before{display:none}.field-grid{grid-template-columns:1fr}}@media(max-width:640px){.hero-actions{flex-direction:column;align-items:stretch}.install-chip{justify-content:center}.btn-solid{text-align:center;justify-content:center}.hdr-nav{display:none}.hdr-search-input{width:140px}.hdr-search-input:focus{width:180px}}