:root{--color-bg:#f5f6f8;--color-surface:#ffffff;--color-text:#1c2024;--color-muted:#5b6470;--color-border:#d9dde3;--color-accent:#2f5bea;--color-accent-strong:#2247c4;--color-accent-contrast:#ffffff;--color-danger:#b42318;--color-danger-bg:#fdeceb;--radius:8px;--space:1rem;--content-width:60rem;--field-width:34rem;--font-sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PT Sans","Noto Sans",sans-serif}*,:after,:before{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.6;color:var(--color-text);background:var(--color-bg)}header{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem;padding:.75rem 1.5rem;background:var(--color-surface);border-bottom:1px solid var(--color-border)}header>a,header>span{font-weight:700;font-size:1.05rem;color:var(--color-text);text-decoration:none}header nav{flex:1 1 auto}header nav ul{font-size:.95rem}header>button{margin-left:auto}main{max-width:var(--content-width);margin:0 auto;padding:1.5rem 1.5rem 4rem}h1{font-size:1.75rem;line-height:1.25;margin:0 0 .75rem}h2{font-size:1.3rem;line-height:1.3;margin:1.75rem 0 .5rem}h3{font-size:1.1rem;margin:1.25rem 0 .5rem}p{margin:0 0 .75rem}small{color:var(--color-muted)}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}hr{border:0;border-top:1px solid var(--color-border);margin:1.5rem 0}code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;background:var(--color-bg);padding:.1em .35em;border-radius:4px}ul{list-style:none;margin:0 0 .75rem;padding:0}li{margin:0 0 .4rem}nav ul{display:flex;flex-wrap:wrap;gap:.5rem 1.25rem}nav li,nav ul{margin:0}dl{margin:0 0 1rem}dt{font-weight:600;color:var(--color-muted);font-size:.9rem}dd{margin:0 0 .65rem}article,section{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.25rem;margin:0 0 1.25rem}article article,article section,section article,section section{background:none;border:0;border-radius:0;padding:0;margin:0 0 1rem}form{max-width:var(--field-width)}label{display:block;font-weight:500}fieldset,label{margin:0 0 .85rem}fieldset{border:1px solid var(--color-border);border-radius:var(--radius);padding:.85rem 1rem}legend{font-weight:600;padding:0 .4rem}input,select,textarea{display:block;width:100%;margin-top:.3rem;padding:.5rem .65rem;font:inherit;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius)}textarea{min-height:6rem;resize:vertical}input[type=checkbox],input[type=radio]{display:inline-block;width:auto;margin:0 .4rem 0 0}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}button{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem .95rem;font:inherit;font-weight:500;color:var(--color-accent-contrast);background:var(--color-accent);border:1px solid transparent;border-radius:var(--radius);cursor:pointer}button:hover:not(:disabled){background:var(--color-accent-strong)}button:disabled{opacity:.55;cursor:not-allowed}table{width:100%;border-collapse:collapse;margin:0 0 1rem}td,th{text-align:left;padding:.5rem .65rem;border-bottom:1px solid var(--color-border)}th{font-weight:600;color:var(--color-muted)}[role=alert]{color:var(--color-danger);background:var(--color-danger-bg);border:1px solid var(--color-danger);border-radius:var(--radius);padding:.6rem .8rem;font-weight:500}summary{cursor:pointer;font-weight:500}@media (max-width:640px){header{padding:.65rem 1rem}main{padding:1rem 1rem 3rem}article,section{padding:1rem}}