:root{--primary:#2563eb;--text:#111827;--muted:#4b5563;--border:#e5e7eb;--bg:#f7f8fb;--card:#fff;--on-primary:#fff;--warn-bg:#fff8e1;--warn-border:#b45309;--link:#1d4ed8;--focus:#1d4ed8;--shadow:0 1px 3px rgba(15,23,42,.04),0 4px 12px rgba(15,23,42,.06)}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--primary:#60a5fa;--text:#e5e7eb;--muted:#9ca3af;--border:#26314a;--bg:#0b1220;--card:#131a2b;--on-primary:#0b1220;--warn-bg:#2a2108;--warn-border:#f59e0b;--link:#60a5fa;--focus:#93c5fd;--shadow:0 1px 3px rgba(0,0,0,.3),0 4px 12px rgba(0,0,0,.4)}}
:root[data-theme=dark]{--primary:#60a5fa;--text:#e5e7eb;--muted:#9ca3af;--border:#26314a;--bg:#0b1220;--card:#131a2b;--on-primary:#0b1220;--warn-bg:#2a2108;--warn-border:#f59e0b;--link:#60a5fa;--focus:#93c5fd;--shadow:0 1px 3px rgba(0,0,0,.3),0 4px 12px rgba(0,0,0,.4)}
:root[data-theme=light]{color-scheme:light}:root[data-theme=dark]{color-scheme:dark}
*{box-sizing:border-box}
html{color-scheme:light dark;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text)}
a{color:var(--link)}
a:focus-visible,button:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--primary);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--card);color:var(--text);padding:.6rem 1rem;z-index:10}
.skip:focus{left:8px;top:8px}
h2{font-size:1.25rem;line-height:1.3;margin:2rem 0 .6rem}
h3{font-size:1.05rem;margin:1.2rem 0 .3rem}
p,li{overflow-wrap:anywhere}
.lead{font-size:1.1rem;color:var(--muted)}
.notice{background:var(--warn-bg);border:1px solid var(--warn-border);border-left-width:5px;border-radius:8px;padding:.7rem 1rem;margin:1rem 0}
.notice p{margin:.2rem 0}
.placeholder{background:#fde68a;color:#111827;border:2px dashed #b45309;padding:.5rem .8rem;border-radius:6px}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:1rem 1.1rem;margin:1rem 0}
.card h2:first-child,.card h3:first-child{margin-top:0}
.btns{display:flex;flex-wrap:wrap;gap:.6rem;margin:1rem 0}
.btn{display:inline-block;padding:.65rem 1.1rem;border-radius:8px;border:2px solid var(--primary);background:var(--primary);color:var(--on-primary);font-weight:600;text-decoration:none}
.btn.secondary{background:transparent;color:var(--primary)}
.btn:hover{filter:brightness(1.08)}
.tablewrap{overflow-x:auto;margin:.8rem 0;border:1px solid var(--border);border-radius:8px;background:var(--card)}
table{border-collapse:collapse;width:100%;font-size:.95rem}
table.wide{min-width:30rem}
ul.chooser{list-style:none;padding:0;margin:.8rem 0;border:1px solid var(--border);border-radius:8px;background:var(--card)}
ul.chooser li{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.15rem 1rem;padding:.5rem .8rem;border-top:1px solid var(--border)}
ul.chooser li:first-child{border-top:0}
ul.chooser a{white-space:nowrap;font-weight:600}
caption{text-align:left;padding:.6rem .8rem;font-weight:600}
th,td{padding:.5rem .8rem;border-top:1px solid var(--border);text-align:left;vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:.9rem}
td.n,th.n{text-align:right;white-space:nowrap}
dl.facts{display:grid;grid-template-columns:minmax(9rem,max-content) 1fr;gap:.35rem 1rem;margin:0}
dl.facts dt{color:var(--muted)}
dl.facts dd{margin:0}
ul.plain{padding-left:1.2rem}
ul.cols{list-style:none;padding:0;margin:.5rem 0;display:grid;gap:.4rem}
ul.cols li a{display:block;padding:.55rem .8rem;border:1px solid var(--border);border-radius:8px;background:var(--card);text-decoration:none}
ul.cols li a:hover{border-color:var(--primary)}
.muted{color:var(--muted)}
.meta{color:var(--muted);font-size:.92rem;margin:.4rem 0 1rem}
ul.guide-list{list-style:none;padding:0;margin:1rem 0}
ul.guide-list li{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:.2rem 1rem;margin:.6rem 0}
ul.guide-list h2{font-size:1.1rem;margin:.6rem 0 .2rem}
ul.guide-list p{margin:.2rem 0 .7rem}
.small{font-size:.9rem}
@media (min-width:44rem){ul.cols{grid-template-columns:1fr 1fr}}
@media (max-width:30rem){dl.facts{grid-template-columns:1fr}dl.facts dd{margin-bottom:.5rem}}