:root{
  --bg:#f6f7f9; --card:#fff; --text:#1b1f24; --muted:#5b6470; --border:#dde1e6;
  --accent:#1f6feb; --accent-text:#fff; --back-bg:#fff6e0; --back-border:#e7b93c; --nav-bg:rgba(246,247,249,.96);
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0f1216; --card:#181c22; --text:#e8eaed; --muted:#9aa3ad; --border:#2a3038;
    --accent:#4c9aff; --accent-text:#0b0f14; --back-bg:#2a2414; --back-border:#a8842a; --nav-bg:rgba(15,18,22,.96);
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:7.5rem;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.site-header{padding:1.25rem 1rem .75rem;max-width:1100px;margin:0 auto}
h1{margin:0;font-size:1.8rem}
.tag{margin:.25rem 0 0;color:var(--muted);font-size:.95rem}
.section-nav{position:sticky;top:0;z-index:10;background:var(--nav-bg);border-bottom:1px solid var(--border);
  backdrop-filter:saturate(1.2) blur(6px);-webkit-backdrop-filter:saturate(1.2) blur(6px)}
.nav-links{display:flex;gap:.5rem;overflow-x:auto;padding:.6rem 1rem .4rem;max-width:1100px;margin:0 auto;scrollbar-width:thin}
.nav-links a{flex:0 0 auto;display:inline-flex;align-items:center;min-height:44px;padding:0 .9rem;border:1px solid var(--border);
  border-radius:999px;color:var(--text);text-decoration:none;font-size:.9rem;background:var(--card);white-space:nowrap}
.nav-links a:hover,.nav-links a:focus-visible{border-color:var(--accent);color:var(--accent)}
.search{display:block;max-width:1100px;margin:0 auto;padding:.2rem 1rem .6rem}
.search input{width:100%;min-height:44px;padding:.5rem .8rem;font-size:1rem;color:var(--text);background:var(--card);
  border:1px solid var(--border);border-radius:10px}
.search input:focus{outline:2px solid var(--accent);outline-offset:1px}
main{max-width:1100px;margin:0 auto;padding:0 1rem 2rem}
section{padding-top:1rem}
h2{font-size:1.35rem;margin:.5rem 0 .75rem;padding-bottom:.3rem;border-bottom:2px solid var(--accent)}
.grid{display:grid;grid-template-columns:1fr;gap:.9rem}
@media (min-width:700px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.grid{grid-template-columns:repeat(3,1fr)}}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:1rem}
.card[hidden],section[hidden]{display:none}
.card h3{margin:0 0 .4rem;font-size:1.15rem}
.cues{margin:0 0 .6rem;padding-left:1.2rem}
.cues li{margin:.15rem 0}
.back{margin:0 0 .75rem;padding:.5rem .7rem;background:var(--back-bg);border-left:4px solid var(--back-border);border-radius:6px;font-size:.93rem}
.demo{margin-top:auto;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:52px;padding:.55rem 1rem;
  background:var(--accent);color:var(--accent-text);font-weight:700;text-decoration:none;border-radius:10px;text-align:center}
.demo:hover,.demo:focus-visible{filter:brightness(1.1)}
.demo .src{font-weight:500;font-size:.82rem;opacity:.9}
.demo.missing{background:transparent;color:var(--muted);border:1px dashed var(--border)}
#no-results{color:var(--muted);text-align:center;padding:2rem 0}
footer{border-top:1px solid var(--border);color:var(--muted);font-size:.9rem;text-align:center;padding:1.25rem 1rem 2rem}
footer p{max-width:700px;margin:.3rem auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---- site nav ---- */
.top-nav{display:flex;gap:.25rem;max-width:1100px;margin:0 auto;padding:.5rem 1rem 0}
.top-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 1rem;border-radius:10px;color:var(--muted);text-decoration:none;font-weight:600}
.top-nav a[aria-current="page"]{color:var(--accent);background:var(--card);border:1px solid var(--border)}
.card:target{outline:3px solid var(--accent);outline-offset:2px}
/* ---- rotation ---- */
.day-list{display:grid;gap:.75rem;grid-template-columns:1fr;padding-top:.5rem}
@media (min-width:700px){.day-list{grid-template-columns:repeat(2,1fr)}}
.day-card{display:flex;flex-direction:column;gap:.15rem;padding:1rem 1.1rem;min-height:88px;background:var(--card);border:1px solid var(--border);
  border-left:6px solid var(--muted);border-radius:14px;color:var(--text);text-decoration:none}
.day-card.lift{border-left-color:var(--accent)}
.day-card:hover,.day-card:focus-visible{border-color:var(--accent)}
.day-num{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.day-title{font-size:1.2rem;font-weight:700}
.day-focus{font-size:.92rem;color:var(--muted)}
/* ---- day page ---- */
.eyebrow{margin:0;color:var(--muted);font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}
.meta{display:flex;flex-wrap:wrap;gap:.4rem 1.2rem;margin-top:.4rem;color:var(--muted);font-size:.95rem}
.day{max-width:760px}
.checklist,.block,.notes{list-style:none;margin:0 0 .75rem;padding:0}
.checklist li{border-bottom:1px solid var(--border)}
.checklist label{display:flex;gap:.7rem;align-items:center;min-height:48px;padding:.3rem 0;cursor:pointer}
.checklist input{width:22px;height:22px;flex:0 0 auto;accent-color:var(--accent)}
.checklist input:checked+span{opacity:.55}
.block{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:.35rem .9rem}
.block.pair{border-left:5px solid var(--accent)}
.pair-head{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);padding:.4rem 0 .1rem}
.ex-row{display:flex;gap:.75rem;align-items:flex-start;padding:.55rem 0}
.ex-row+.ex-row{border-top:1px solid var(--border)}
.lab{flex:0 0 auto;min-width:2.2rem;text-align:center;font-weight:800;color:var(--accent);padding-top:.1rem}
.ex-main{flex:1;min-width:0}
.ex-name{font-weight:700;color:var(--text);text-decoration:underline;text-decoration-color:var(--border);text-underline-offset:3px}
.ex-name.plain{text-decoration:none}
.or{color:var(--muted);font-size:.9rem}
.presc{color:var(--muted);font-size:.95rem}
.checklist .presc{margin-left:.3rem}
.mini-demo{display:inline-block;margin:.1rem 0 .1rem .25rem;padding:.3rem .7rem;font-size:.8rem;font-weight:700;border-radius:999px;
  border:1px solid var(--accent);color:var(--accent);text-decoration:none;vertical-align:middle}
.notes li{padding:.35rem 0 .35rem 1rem;position:relative}
.notes li::before{content:"";position:absolute;left:0;top:.95rem;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.pager{display:grid;grid-template-columns:1fr;gap:.6rem;margin:1.5rem 0 .5rem}
@media (min-width:600px){.pager{grid-template-columns:1fr 1fr}.pager a:last-child{text-align:right}}
.pager a{display:flex;align-items:center;min-height:52px;padding:.6rem 1rem;background:var(--card);border:1px solid var(--border);border-radius:12px;color:var(--accent);text-decoration:none;font-weight:600}
@media (min-width:600px){.pager a:last-child{justify-content:flex-end}}