:root{--bg:#fff;--card:#fff;--text:#20242b;--muted:#667080;--line:#dfe4eb;--accent:#1769e0;--soft:#eef5ff;--warning:#fff4d8;color-scheme:light dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}header,footer{padding:22px max(20px,calc((100% - 980px)/2));border-bottom:1px solid var(--line)}footer{border-top:1px solid var(--line);border-bottom:0;color:var(--muted)}header .brand{font-size:1.5rem;font-weight:800}header .brand a{color:inherit;text-decoration:none}.tagline,.updated{color:var(--muted)}nav{display:flex;gap:16px;flex-wrap:wrap;margin-top:12px}nav a{color:var(--accent)}main{max-width:980px;margin:auto;padding:36px 20px 70px}h1{font-size:clamp(2rem,5vw,3rem);line-height:1.1}h2{margin-top:2em;line-height:1.2}h3{margin-top:1.5em}a{color:var(--accent)}.callout{padding:14px 16px;background:var(--soft);border-radius:12px}.warning{background:var(--warning)}table{border-collapse:collapse;width:100%;font-size:.96rem}th,td{text-align:left;vertical-align:top;padding:10px;border-bottom:1px solid var(--line)}th{font-weight:700}code{overflow-wrap:anywhere}ul,ol{padding-left:1.4em}li+li{margin-top:.45em}.button{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:10px 15px;border-radius:10px;font-weight:700}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}.tile{border:1px solid var(--line);border-radius:12px;padding:18px}.tile h2{margin-top:0}
.guide-shell{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:230px minmax(0,1fr);gap:28px;padding:28px 20px 60px}.guide-nav{position:sticky;top:18px;align-self:start;border:1px solid var(--line);border-radius:14px;padding:16px;background:var(--card);max-height:calc(100vh - 36px);overflow:auto}.guide-nav strong{display:block;margin-bottom:10px}.guide-nav a{display:block;padding:6px 2px;color:var(--text);text-decoration:none}.guide-nav a:hover{text-decoration:underline}.guide-main{max-width:none;margin:0;padding:0}.guide-hero,.search-panel,.guide-main article,.guide-end{border:1px solid var(--line);border-radius:14px;padding:24px;background:var(--card);margin-bottom:18px}.guide-main article{scroll-margin-top:18px}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-weight:700;color:var(--accent)}.app-store-placeholder{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:14px;border-radius:12px;background:var(--soft)}.app-store-placeholder span{flex:1;min-width:220px}.disabled-link{opacity:.55;pointer-events:none}.search-panel label{display:block;color:var(--muted);margin-bottom:9px}.search-row{display:flex;gap:8px}.search-row input{flex:1;min-width:0;font:inherit;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--text)}.search-row button{font:inherit;padding:10px 15px;border:1px solid var(--line);border-radius:10px;background:var(--soft);color:var(--text);cursor:pointer}.platform-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.platform-card{border:1px solid var(--line);border-radius:12px;padding:15px}.platform-card h3{margin-top:0}.feature-list{display:grid;grid-template-columns:minmax(130px,210px) minmax(0,1fr);gap:0}.feature-list dt,.feature-list dd{padding:9px 0;border-bottom:1px solid var(--line);margin:0}.feature-list dt{font-weight:700;padding-right:16px}.shot{border:2px dashed var(--line);border-radius:12px;padding:18px;margin:20px 0 0;background:var(--bg)}.shot div{font-weight:700}.shot figcaption{margin-top:7px;color:var(--muted)}.guide-main details{border-bottom:1px solid var(--line);padding:10px 0}.guide-main summary{cursor:pointer;font-weight:700}.guide-end{text-align:center}
@media(prefers-color-scheme:dark){:root{--bg:#0e1118;--card:#171c26;--text:#f2f5fb;--muted:#adb8ca;--line:#333c4c;--accent:#78aaff;--soft:#172d4d;--warning:#493a14}}
@media(max-width:820px){.guide-shell{display:block;padding:16px}.guide-nav{position:static;max-height:none;margin-bottom:18px;columns:2}.guide-nav strong{column-span:all}.platform-grid{grid-template-columns:1fr}.feature-list{grid-template-columns:1fr}.feature-list dt{border-bottom:0;padding-bottom:0}.guide-hero,.search-panel,.guide-main article,.guide-end{padding:18px}.search-row{display:block}.search-row button{margin-top:8px;width:100%}}
@media(max-width:480px){.guide-nav{columns:1}}