*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:#fff;color:#111;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;line-height:1.62;-webkit-font-smoothing:antialiased}
a{color:#111;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
code,pre,kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
code,kbd{font-size:.9em;background:#f4f4f1;border:1px solid #deded8;border-radius:4px;padding:.08rem .28rem}
pre{margin:14px 0 18px;padding:16px;overflow:auto;background:#f7f7f4;border:1px solid #d8d8d2;border-radius:6px;font-size:13px;line-height:1.55;color:#111}
.skip-link{position:absolute;left:12px;top:-48px;background:#111;color:#fff;padding:10px 12px;border-radius:4px;z-index:50}
.skip-link:focus{top:12px}
.top{border-bottom:1px solid #d8d8d2;background:#fff;position:sticky;top:0;z-index:20}
.nav{max-width:1180px;margin:0 auto;padding:14px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-weight:800;text-decoration:none;letter-spacing:.01em}
.nav-links{display:flex;gap:16px;font-size:14px}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.page-main,.article{max-width:860px;padding-top:48px;padding-bottom:48px}
.hero{padding:56px 0 34px;border-bottom:1px solid #d8d8d2}
.page{display:block}
.toc{display:flex;flex-wrap:wrap;align-items:baseline;padding:18px 0;border-bottom:1px solid #d8d8d2;font-size:14px;line-height:1.9;color:#555}
.toc strong{margin-right:10px;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:#666}
.toc strong::after{content:":"}
.toc a{color:#111;text-decoration:none;white-space:nowrap}
.toc a:hover{text-decoration:underline;text-underline-offset:3px}
.toc a:not(:last-child)::after{content:",";color:#777;margin-right:7px}
.kicker{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:#666;font-weight:700;margin-bottom:12px}
h1,h2,h3{line-height:1.16;letter-spacing:0;color:#111}
h1{font-size:clamp(38px,6vw,68px);margin:0 0 16px;max-width:900px}
h2{font-size:clamp(28px,3.5vw,42px);margin:42px 0 18px;padding-top:8px}
h3{font-size:22px;margin:30px 0 10px}
p{font-size:17px;margin:0 0 16px;color:#2e2e2a}
.dek{font-size:21px;max-width:860px;color:#222;margin-bottom:18px}
section{padding:42px 0;border-bottom:1px solid #d8d8d2}
.note{border:1px solid #cfcfc8;background:#fbfbf8;border-radius:6px;padding:16px;margin:20px 0}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.box,.prompt{border:1px solid #d8d8d2;border-radius:6px;padding:18px;background:#fff}
ul,ol{font-size:16px;color:#2e2e2a;margin:10px 0 18px 24px;padding:0}
li{margin:7px 0}
table{width:100%;border-collapse:collapse;font-size:15px;margin:16px 0 24px}
th,td{border:1px solid #d8d8d2;text-align:left;vertical-align:top;padding:10px 12px}
th{background:#f4f4f1;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:#555}
details{border:1px solid #d8d8d2;border-radius:6px;margin:10px 0;background:#fff}
summary{cursor:pointer;font-weight:750;padding:14px 16px}
details[open] summary{border-bottom:1px solid #d8d8d2;background:#fafaf8}
.detail{padding:14px 16px 16px}
.copy-wrap{position:relative}
.copy-btn{position:absolute;top:8px;right:8px;border:1px solid #ccc;background:#fff;color:#111;border-radius:4px;padding:5px 8px;font:700 11px/1 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;cursor:pointer}
.copy-btn.copied{background:#111;color:#fff}
.columns{columns:2;column-gap:32px}
.api-group{break-inside:avoid;border-top:1px solid #d8d8d2;padding:14px 0}
.api-group h3{font-size:18px;margin:0 0 8px}
.api-group p{font-size:15px;margin:0}
.prompt-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.prompt b{display:block;margin-bottom:8px}
.prompt code{display:block;white-space:normal;line-height:1.55;padding:0;border:0;background:transparent}
.post-list{list-style:none;margin:20px 0;padding:0}
.post-list li{border-top:1px solid #d8d8d2;padding:16px 0}
.post-list a{font-size:22px;font-weight:750}
.related{border-top:1px solid #d8d8d2;margin-top:44px;padding-top:10px}
.footer{padding:36px 0 48px;border-top:1px solid #d8d8d2}
.footer-links{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:16px;font-size:14px}
.small{font-size:14px;color:#666}
@media(max-width:880px){.grid,.prompt-list{grid-template-columns:1fr}.columns{columns:1}.nav-links{display:none}}
@media(max-width:560px){.wrap,.nav{padding-left:16px;padding-right:16px}p,.dek{font-size:16px}table{font-size:14px;display:block;overflow-x:auto;white-space:normal}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}