/* Global polish */
body{font-family:Manrope,Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
.hero h1{font-weight:800;letter-spacing:-.045em}.btn{transition:transform .2s,box-shadow .2s}.btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(23,32,51,.18)}
.unit,.note,.resource{transition:transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .25s}.unit:hover,.note:hover,.resource:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(23,32,51,.08)}
/* Syllabus explorer */
.sy{background:linear-gradient(var(--surface),var(--soft))}
.sy-top{display:flex;justify-content:space-between;gap:30px;align-items:end;flex-wrap:wrap;margin-bottom:28px}.sy-top h2{font-size:clamp(1.875rem,4vw,2.75rem);letter-spacing:-.04em;margin:0 0 8px;font-weight:800}.sy-top p{margin:0;color:var(--mut);max-width:520px}
.sy-seg{display:inline-flex;background:var(--chip);border-radius:12px;padding:4px;position:relative}.sy-seg button{position:relative;z-index:1;border:0;background:none;padding:10px 18px;font:inherit;font-weight:700;font-size:0.875rem;color:var(--mut);cursor:pointer;transition:color .25s}.sy-seg button.on{color:#fff}.sy-pill{position:absolute;top:4px;bottom:4px;left:4px;border-radius:9px;background:var(--btn);transition:transform .35s cubic-bezier(.2,.8,.2,1),width .35s cubic-bezier(.2,.8,.2,1)}
.sy-map{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px;margin-bottom:18px;box-shadow:0 10px 30px rgba(23,32,51,.05)}
.sy-map-h{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:0.8125rem;color:var(--mut);margin-bottom:14px}.sy-map-h b{color:var(--text);font-size:0.9375rem}
.sy-strip{display:flex;gap:4px;height:64px}.sy-seg-u{border:0;border-radius:8px;cursor:pointer;color:#fff;font:inherit;font-size:0.6875rem;font-weight:700;padding:6px;text-align:left;overflow:hidden;min-width:0;transform-origin:bottom;animation:grow .7s cubic-bezier(.2,.8,.2,1) backwards;transition:filter .2s,transform .2s}.sy-seg-u:hover{filter:brightness(1.12);transform:translateY(-3px)}.sy-seg-u span{display:block;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}
@keyframes grow{from{transform:scaleY(.2);opacity:0}}
.sy-legend{display:flex;gap:18px;flex-wrap:wrap;margin-top:14px;font-size:0.75rem;color:var(--mut)}.sy-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.sy-bar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:14px}.sy-chips{display:flex;gap:6px;flex-wrap:wrap}.sy-chip{border:1px solid var(--line);background:var(--surface);border-radius:99px;padding:8px 14px;font:inherit;font-size:0.8125rem;font-weight:700;color:var(--mut);cursor:pointer;transition:.2s}.sy-chip.on{background:var(--btn);color:#fff;border-color:var(--btn)}
.sy-search{margin-left:auto;width:min(300px,100%);padding:11px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;background:var(--surface);transition:border-color .2s,box-shadow .2s}.sy-search:focus{outline:0;border-color:var(--gold);box-shadow:0 0 0 4px rgba(74,111,194,.15)}
.sy-prog{display:flex;align-items:center;gap:12px;font-size:0.75rem;color:var(--mut);margin:0 0 16px}.sy-prog div{flex:1;height:6px;background:var(--line);border-radius:9px;overflow:hidden}.sy-prog div i{display:block;height:100%;width:0;background:var(--gold);transition:width .5s cubic-bezier(.2,.8,.2,1)}
.sy-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;margin-bottom:10px;transition:box-shadow .3s,border-color .3s}.sy-card:hover{border-color:var(--line2)}.sy-card.open{box-shadow:0 18px 44px rgba(23,32,51,.09);border-color:var(--line2)}.sy-card.hl{animation:hl 1.2s}@keyframes hl{30%{box-shadow:0 0 0 4px rgba(74,111,194,.35)}}
.sy-head{all:unset;box-sizing:border-box;display:grid;grid-template-columns:auto 1fr auto auto 24px;gap:16px;align-items:center;width:100%;padding:18px 20px;cursor:pointer;border-radius:16px}.sy-head:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.sy-no{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:0.8125rem;color:#fff}.sy-name{font-weight:750;font-size:1rem;line-height:1.3}.sy-name small{display:block;font-weight:500;color:var(--mut);font-size:0.75rem;margin-top:2px}
.sy-stars{color:var(--b2);letter-spacing:2px;font-size:0.9375rem;white-space:nowrap}.sy-stars s{text-decoration:none;color:var(--line2)}
.sy-tier{font-size:0.6875rem;font-weight:800;padding:5px 10px;border-radius:99px;white-space:nowrap}
.sy-chev{width:10px;height:10px;border-right:2px solid var(--mut);border-bottom:2px solid var(--mut);transform:rotate(45deg);transition:transform .35s cubic-bezier(.2,.8,.2,1);justify-self:center}.open .sy-chev{transform:rotate(-135deg)}
.sy-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .45s cubic-bezier(.2,.8,.2,1)}.open .sy-body{grid-template-rows:1fr}.sy-body>div{overflow:hidden;min-height:0}
.sy-in{padding:4px 20px 22px;display:grid;grid-template-columns:1fr 1fr;gap:26px;opacity:0;transform:translateY(-6px);transition:opacity .4s .1s,transform .4s .1s}.open .sy-in{opacity:1;transform:none}
.sy-in h4{margin:0 0 12px;font-size:0.75rem;letter-spacing:.04em;color:var(--mut);font-weight:700}
.sy-chart{display:flex;align-items:flex-end;gap:10px;height:130px;border-bottom:1px solid var(--line);position:relative;padding-top:18px}.sy-col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;font-size:0.6875rem;color:var(--mut);font-weight:700}.sy-col i{display:block;width:100%;border-radius:7px 7px 2px 2px;height:0;transition:height .8s cubic-bezier(.2,.8,.2,1)}.open .sy-col i{height:var(--h)}.sy-col span{margin-bottom:4px}
.sy-lbls{display:flex;gap:10px;font-size:0.625rem;color:var(--mut);margin-top:6px}.sy-lbls span{flex:1;text-align:center}
.sy-kpis{display:flex;gap:10px;margin-top:16px}.sy-kpi{flex:1;background:var(--soft);border-radius:12px;padding:12px}.sy-kpi b{display:block;font-size:1.25rem}.sy-kpi span{font-size:0.6875rem;color:var(--mut)}
.sy-pat{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:8px}.sy-pat li{display:flex;gap:10px;font-size:0.875rem;color:var(--text2);background:var(--soft);border-radius:10px;padding:10px 12px}.sy-pat li:before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--c);margin-top:8px}
.sy-topics{grid-column:1/-1;border-top:1px solid var(--line);padding-top:16px}.sy-topics h4{display:flex;justify-content:space-between}
.sy-t{display:flex;gap:10px;align-items:flex-start;padding:8px 0;font-size:0.875rem;color:var(--text2);cursor:pointer;line-height:1.45}.sy-t input{margin-top:4px;accent-color:var(--gold)}.sy-t.done span{color:var(--mut);text-decoration:line-through}
.sy-note{font-size:0.75rem;color:var(--mut);margin-top:20px;line-height:1.6}.sy-note a{color:var(--gold);font-weight:700}.sy-empty{padding:40px;text-align:center;color:var(--mut)}
@media(max-width:820px){.sy-in{grid-template-columns:1fr}.sy-head{grid-template-columns:auto 1fr 20px;row-gap:8px}.sy-head .sy-stars,.sy-head .sy-tier{grid-column:2;justify-self:start}.sy-head .sy-tier{grid-row:3}.sy-chev{grid-column:3;grid-row:1}.sy-strip{height:auto;flex-wrap:wrap}.sy-seg-u{flex:1 1 30%!important;height:46px}.sy-search{margin-left:0;width:100%}}
@media(prefers-reduced-motion:reduce){.sy *{animation:none!important;transition:none!important}}