:root{--blue:#3983f3;--ink:#0c1625;--body:#3d3d3e;--muted:#6b7280;--line:#e5e7eb;--bg:#f4f9fd;--card:#fff;--danger:#c0392b;--warn:#b7791f;--ok:#1a7f4b}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:14px}a{color:var(--blue);text-decoration:none}button{font:inherit;cursor:pointer;border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 12px;color:var(--ink)}button:hover{border-color:#cbd5e1}button.primary{background:var(--blue);border-color:var(--blue);color:#fff}button.primary:hover{background:#2f72db}button.danger{color:var(--danger);border-color:#f0c4be}button:disabled{opacity:.5;cursor:default}input,select,textarea{font:inherit;width:100%;border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:#fff;color:var(--ink)}textarea{resize:vertical;min-height:64px;line-height:1.5}label{display:block;font-weight:600;font-size:12px;margin:12px 0 4px}.help,label{color:var(--muted)}.help{font-size:11px;margin-top:3px}.home{max-width:880px;margin:0 auto;padding:40px 24px}.home h1{font-size:24px;margin:0 0 4px}.home .sub{color:var(--muted);margin:0 0 24px}.doc-row{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px}.doc-row .name{font-weight:600}.doc-row .meta{color:var(--muted);font-size:12px}.doc-row .spacer{flex:1 1}.badge{font-size:11px;padding:2px 8px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}.badge.published{color:var(--ok);border-color:#b6e3c8;background:#ecfdf3}.editor{display:flex;flex-direction:column;height:100vh}.topbar{display:flex;align-items:center;gap:12px;padding:10px 16px;background:#fff;border-bottom:1px solid var(--line);flex-wrap:wrap}.topbar .title-input{width:260px;font-weight:600}.topbar .spacer{flex:1 1}.topbar .status{font-size:12px;color:var(--muted)}.panes{display:grid;grid-template-columns:210px 1fr 320px 1fr;flex:1 1;min-height:0}.pane{overflow:auto;padding:14px;border-right:1px solid var(--line)}.pane h3{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 10px}.preview-pane{padding:0}.palette-item{width:100%;text-align:left;margin-bottom:6px}.palette-item .ph{font-size:11px;color:var(--muted);display:block}.block-card{border:1px solid var(--line);border-radius:10px;padding:10px;margin-bottom:8px;background:#fff;cursor:pointer}.block-card.selected{border-color:var(--blue);box-shadow:0 0 0 2px rgba(57,131,243,.15)}.block-card.dragging{opacity:.4}.block-card .type{font-weight:600;font-size:12px}.block-card .summary{color:var(--muted);font-size:12px;margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.block-card 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10px;font-size:13px;margin-bottom:8px}.home-head{display:flex;align-items:flex-start;gap:12px}.home-head .spacer{flex:1 1}.home-head .who{font-size:12px;color:var(--muted);margin-right:4px}.starter-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:12px;gap:12px;margin:4px 0 8px}.starter-card{text-align:left;padding:14px;border:1px solid var(--line);border-radius:12px;background:#fff}.starter-card .st-name{font-weight:600}.starter-card .st-desc{color:var(--muted);font-size:12px;margin-top:4px}.starter-card.blank{border-style:dashed}.guide{max-width:760px;margin:0 auto;padding:40px 24px 80px;line-height:1.6;color:var(--body)}.guide h1{color:var(--ink);font-size:24px;margin:0 0 4px}.guide h2{color:var(--ink);font-size:17px;margin:30px 0 8px}.guide h3{color:var(--ink);margin:18px 0 4px}.guide h3,.guide li,.guide p{font-size:14px}.guide code{background:#eef2f7;padding:1px 5px;border-radius:5px}.guide .back,.guide code{font-size:13px}.guide table{border-collapse:collapse;width:100%;margin:10px 0}.guide td,.guide th{border:1px solid var(--line);padding:6px 10px;text-align:left;vertical-align:top}.guide th{background:var(--bg);font-size:12px}.guide .tip{background:#ecf4fe;border:1px solid #cfe2fb;border-radius:10px;padding:12px 14px;margin:14px 0}.panel{position:fixed;right:16px;top:56px;width:380px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 40px rgba(0,0,0,.15);padding:16px;z-index:20}.panel h3{margin-top:0}.panel pre{background:var(--bg);padding:10px;border-radius:8px;font-size:11px;overflow:auto;white-space:pre-wrap}.cols-cell{border:1px solid var(--line);border-radius:8px;padding:8px;margin-bottom:8px}.inline{display:flex;gap:8px;align-items:center}.muted{color:var(--muted)}