:root{--bg:#f4f7f8;--panel:#fff;--ink:#14212b;--muted:#51626f;--line:#d6dfe4;--teal:#00c9a7;--teal-ink:#006b5a;--amber:#fbb024;--amber-ink:#8a5a00;--danger:#b3261e;--ok:#0a7a4b;--btn-ink:#04201a;--code:#eef3f5}
@media (prefers-color-scheme:dark){:root{--bg:#0d1317;--panel:#151d23;--ink:#e8eef2;--muted:#9fb0bc;--line:#26333c;--teal-ink:#2fe0c0;--amber-ink:#fbb024;--danger:#ff8a80;--ok:#5fdca0;--code:#0f171c}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--teal-ink)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--amber);color:#111;padding:.5rem 1rem;z-index:10}
.skip:focus{left:0}
header.top{background:var(--panel);border-bottom:3px solid var(--teal)}
.bar{max-width:1100px;margin:0 auto;padding:.7rem 1rem;display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1.5rem}
.brand img{height:36px;width:auto;display:block}
nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.25rem 1rem;align-items:center}
nav a{text-decoration:none;color:var(--ink);padding:.35rem .1rem;border-bottom:2px solid transparent}
nav a:hover,nav a[aria-current=page]{border-bottom-color:var(--amber)}
nav form{display:inline}
.grow{flex:1}
main{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:1.5rem 1rem 3rem}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;padding:1rem}
footer .in{max-width:1100px;margin:0 auto;display:flex;flex-wrap:wrap;gap:.3rem 1.5rem}
h1{font-size:1.8rem;line-height:1.2;margin:.2rem 0 1rem}
h2{font-size:1.25rem;margin:2rem 0 .6rem}
h3{font-size:1.05rem;margin:1.2rem 0 .4rem}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:1.2rem 1.3rem;margin:0 0 1.2rem}
.hero{padding:2rem 0 1rem}
.hero h1{font-size:2.3rem}
.hero p{font-size:1.1rem;color:var(--muted);max-width:42rem}
.hero .mark{height:90px;width:auto}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.narrow{max-width:30rem;margin:0 auto}
label{display:block;font-weight:600;margin:.9rem 0 .25rem}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=file],select,textarea{width:100%;padding:.6rem .7rem;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink);font:inherit}
textarea{min-height:5rem}
.check{display:flex;gap:.6rem;align-items:flex-start;font-weight:400;margin:1rem 0}
.check input{margin-top:.35rem;width:1.1rem;height:1.1rem}
.hint{color:var(--muted);font-size:.9rem;margin:.2rem 0 0}
.btn,button{display:inline-block;background:var(--teal);color:var(--btn-ink);border:0;border-radius:6px;padding:.6rem 1.1rem;font:inherit;font-weight:700;cursor:pointer;text-decoration:none;margin-top:.6rem}
.btn:hover,button:hover{filter:brightness(1.08)}
.btn.alt,button.alt{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.warn,button.warn{background:var(--amber)}
.btn.danger,button.danger{background:var(--danger);color:#fff}
.btn.small,button.small{padding:.25rem .6rem;font-size:.9rem;margin:0}
button.link{background:none;color:var(--ink);padding:.35rem .1rem;margin:0;font-weight:400;border-bottom:2px solid transparent;border-radius:0}
button.link:hover{border-bottom-color:var(--amber);filter:none}
.flash{border-left:5px solid var(--teal);background:var(--panel);padding:.7rem 1rem;margin:0 0 1rem;border-radius:4px}
.flash.err{border-left-color:var(--danger)}
.flash.warn{border-left-color:var(--amber)}
table{width:100%;border-collapse:collapse;font-size:.95rem}
th,td{text-align:left;padding:.5rem .6rem;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600;white-space:nowrap}
.scroll{overflow-x:auto}
code,pre,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88rem}
code{background:var(--code);padding:.1rem .3rem;border-radius:4px;word-break:break-all}
pre{background:var(--code);padding:.8rem;border-radius:6px;overflow-x:auto;white-space:pre-wrap}
.badge{display:inline-block;padding:.05rem .5rem;border-radius:99px;font-size:.8rem;font-weight:700;border:1px solid var(--line)}
.badge.ok{color:var(--ok);border-color:var(--ok)}
.badge.warn{color:var(--amber-ink);border-color:var(--amber)}
.badge.bad{color:var(--danger);border-color:var(--danger)}
.row{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center}
.sub{color:var(--muted)}
.tabs{display:flex;flex-wrap:wrap;gap:.3rem 1rem;margin:0 0 1.2rem;padding:0;list-style:none;border-bottom:1px solid var(--line)}
.tabs a{display:block;padding:.4rem .2rem;text-decoration:none;color:var(--ink);border-bottom:3px solid transparent}
.tabs a[aria-current=page]{border-bottom-color:var(--teal)}
.stat{font-size:1.9rem;font-weight:700;color:var(--teal-ink)}
@media (max-width:600px){h1{font-size:1.5rem}.hero h1{font-size:1.8rem}th,td{padding:.4rem .3rem}}