/* Course portal · shared by every course site (same file in each repo).
   Needs course.css first (colour tokens, fonts, dark mode). Content comes from assets/course-info.js. */
.pt{font-family:var(--f-display);color:var(--ink)}
.pt *{box-sizing:border-box}
.pt-wrap{max-width:1100px;margin:0 auto;padding:0 16px 64px}
.pt a{color:var(--wk)}

/* header (ProfStack menu style) */
.pt-hub{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);font-family:var(--f-display)}
.pt-hub-in{max-width:1100px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;gap:8px 18px;flex-wrap:wrap}
.pt-hub .crs{display:flex;gap:10px;align-items:baseline;text-decoration:none;color:var(--ink);margin-right:auto;min-width:0}
.pt-hub .crs b{font-weight:800;font-size:1.1rem;white-space:nowrap}
.pt-hub .crs span{color:var(--muted);font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pt-hub nav{display:flex;gap:4px;flex-wrap:wrap}
.pt-hub nav a{color:var(--muted);text-decoration:none;padding:7px 11px;border-radius:8px;font-size:.95rem;font-weight:500}
.pt-hub nav a:hover{background:var(--sunk);color:var(--ink)}
.pt-hub nav a[aria-current="page"]{color:var(--ink);background:var(--wk-soft);font-weight:700}
.pt-hub .pt-theme{flex:none;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:7px 14px;cursor:pointer;font:600 .9rem var(--f-display)}
@media (max-width:760px){
  .pt-hub-in{padding:8px 12px;gap:6px 10px}
  .pt-hub .crs span{display:none}
  .pt-hub nav{order:3;width:100%;flex-wrap:nowrap;overflow-x:auto;margin:0 -4px;scrollbar-width:none}
  .pt-hub nav a{padding:6px 9px;font-size:.9rem;white-space:nowrap}
}

/* hero */
.pt-hero{padding:30px 0 6px}
.pt-eyebrow{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.pt-hero h1{font-size:clamp(2.2rem,7vw,4.2rem);font-weight:800;letter-spacing:-.035em;line-height:.98;margin:8px 0 6px;text-wrap:balance}
.pt-hero h1 span{color:var(--wk)}
.pt-by{margin:0;color:var(--muted)}
.pt-by b{color:var(--ink)}
.pt-next{display:flex;flex-wrap:wrap;gap:4px 14px;align-items:center;border:2px solid var(--wk);background:linear-gradient(150deg,var(--wk-soft),transparent 70%);border-radius:14px;padding:12px 16px;margin-top:18px;color:var(--ink);text-decoration:none;cursor:pointer;font:inherit;width:100%;text-align:left}
.pt-next b{color:var(--wk)}
.pt-next .mono{font-family:var(--f-mono);font-size:.82rem;color:var(--muted)}

/* three big buttons */
.pt-big{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0 8px}
.pt-big a{border:1px solid var(--line);background:var(--surface);border-radius:18px;padding:18px;text-decoration:none;color:var(--ink);display:grid;gap:4px;align-content:start}
.pt-big a:hover{border-color:var(--wk)}
.pt-big .ic{line-height:0;color:var(--wk)}
.pt-big .ic svg{width:28px;height:28px}
.pt-big b{font-size:1.45rem;font-weight:800}
.pt-big span{color:var(--muted);font-size:.9rem}

/* in-page jump pills */
.pt-jump{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 0}
.pt-jump a{font-size:.86rem;border:1px solid var(--line);border-radius:999px;padding:5px 12px;text-decoration:none;color:var(--ink);background:var(--surface)}

.pt h2{font-size:1.35rem;font-weight:800;margin:38px 0 4px;scroll-margin-top:70px;letter-spacing:-.01em}
.pt .sub{color:var(--muted);margin:0 0 14px;font-size:.92rem}

/* search + agents */
.pt-help{border:1px solid var(--line);background:var(--surface);border-radius:20px;padding:16px;margin-top:22px}
.pt-find{display:flex;gap:8px}
.pt-find input{flex:1;min-width:0;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);font:inherit;font-size:1rem}
.pt-find input:focus{outline:2px solid var(--wk);outline-offset:1px}
.pt-find button{border:0;background:var(--wk);color:var(--on-wk,#fff);border-radius:12px;padding:0 18px;font:inherit;font-weight:700;cursor:pointer}
.pt-hits{display:grid;gap:6px;margin-top:8px}
.pt-hits:empty{display:none}
.pt-hits a{display:block;border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:8px 12px;text-decoration:none;color:var(--ink)}
.pt-hits small{display:block;color:var(--muted);font-size:.8rem}
.pt-agents{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:12px}
.pt-agent{border:1px solid var(--line);background:var(--bg);border-radius:16px;padding:14px 12px;display:grid;justify-items:center;text-align:center;gap:4px;cursor:pointer;font:inherit;color:var(--ink);transition:transform .12s,border-color .12s}
.pt-agent:hover{border-color:var(--ag,var(--wk));transform:translateY(-2px)}
.pt-agent .face{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;color:var(--ag,var(--wk));background:color-mix(in srgb,var(--ag,var(--wk)) 16%,transparent)}
.pt-agent b{font-size:.98rem;line-height:1.2}
.pt-agent small{color:var(--muted);font-size:.78rem;line-height:1.3}

/* dialog */
.pt-dlg{border:0;padding:0;border-radius:20px;max-width:min(520px,calc(100vw - 32px));width:100%;background:var(--surface);color:var(--ink);box-shadow:0 20px 60px rgba(0,0,0,.35);font-family:var(--f-display)}
.pt-dlg::backdrop{background:rgba(10,15,20,.55)}
.pt-dlg-in{padding:20px}
.pt-dlg-head{display:flex;gap:12px;align-items:center;margin-bottom:10px}
.pt-dlg-head .face{width:44px;height:44px;flex:none;border-radius:50%;display:grid;place-items:center;color:var(--ag,var(--wk));background:color-mix(in srgb,var(--ag,var(--wk)) 16%,transparent)}
.pt-dlg-head h3{margin:0;font-size:1.2rem}
.pt-dlg-head small{display:block;color:var(--muted);font-size:.85rem}
.pt-dlg-head .x{margin-left:auto;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:50%;width:34px;height:34px;cursor:pointer;font-size:1.1rem;flex:none}
.pt-dlg ul{margin:6px 0 14px;padding-left:20px;display:grid;gap:4px}
.pt-dlg .row{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.pt-btn{display:inline-flex;align-items:center;gap:8px;border:0;background:var(--wk);color:var(--on-wk,#fff)!important;text-decoration:none;border-radius:12px;padding:11px 16px;font:inherit;font-weight:700;cursor:pointer}
.pt-btn.ghost{background:transparent;color:var(--ink)!important;border:1px solid var(--line)}
.pt-btn[aria-disabled="true"]{background:var(--sunk);color:var(--muted)!important;cursor:not-allowed}
.pt-dlg .kv{display:grid;grid-template-columns:110px minmax(0,1fr);gap:6px 12px;margin:4px 0 14px;font-size:.94rem}
.pt-dlg .kv dt{color:var(--muted)}
.pt-dlg .kv dd{margin:0}
.pt-note{font-size:.84rem;color:var(--muted);margin:10px 0 0}

/* tags */
.pt-tag{display:inline-block;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.04em;border-radius:999px;padding:2px 8px;border:1px solid var(--line);white-space:nowrap}
.pt-tag.lec{border-color:var(--wk);color:var(--wk)}
.pt-tag.lab{border-color:var(--good);color:var(--good)}
.pt-tag.done{background:var(--sunk);color:var(--muted)}

/* FAQ */
.pt-faq{display:grid;gap:8px;align-items:start}
@media (min-width:900px){.pt-faq{grid-template-columns:repeat(2,minmax(0,1fr))}}
.pt-faq details{border:1px solid var(--line);background:var(--surface);border-radius:12px}
.pt-faq summary{cursor:pointer;padding:12px 14px;font-weight:700;list-style:none;display:flex;gap:10px;align-items:center}
.pt-faq summary::-webkit-details-marker{display:none}
.pt-faq summary::after{content:"+";margin-left:auto;color:var(--muted);font-size:1.2rem;line-height:1}
.pt-faq details[open] summary::after{content:"−"}
.pt-faq details>div{padding:0 14px 14px;color:var(--ink)}

/* calendar */
.pt-cal{width:100%;border-collapse:collapse;background:var(--surface);border-radius:12px;overflow:hidden;font-size:.92rem}
.pt-cal th,.pt-cal td{border-bottom:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
.pt-cal thead th{background:var(--sunk);font-weight:700;font-size:.82rem}
.pt-cal td.w{font-family:var(--f-mono);font-weight:600;white-space:nowrap;width:64px;color:var(--muted)}
.pt-cal tr.ex td{background:var(--wk-soft)}
.pt-cal td a{color:var(--ink);font-weight:600;text-decoration:underline;text-decoration-color:var(--wk);text-underline-offset:3px}
.pt-cal .soon{color:var(--muted)}
.pt-ev{display:flex;flex-wrap:wrap;gap:6px}
.pt-chip{border:1.5px solid var(--wk);background:var(--surface);color:var(--ink);border-radius:999px;padding:4px 10px;font:inherit;font-size:.84rem;font-weight:700;cursor:pointer;display:inline-flex;gap:6px;align-items:center;white-space:nowrap}
.pt-chip.lab{border-color:var(--good)}
.pt-chip:hover{background:var(--wk-soft)}
.pt-chip .i{font-size:.8rem;opacity:.7}
.pt-chip::before,.pt-legend .dot{content:"";width:8px;height:8px;border-radius:50%;background:var(--wk);display:inline-block;flex:none}
.pt-chip.lab::before,.pt-legend .dot.lab{background:var(--good)}
.pt-legend span{display:inline-flex;align-items:center;gap:6px}
.pt-legend{display:flex;flex-wrap:wrap;gap:12px;font-size:.82rem;color:var(--muted);margin-top:8px}

/* CLOs + grades */
.pt-clos{display:grid;gap:8px}
.pt-clos div{display:grid;grid-template-columns:72px minmax(0,1fr);gap:12px;border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:10px 14px;align-items:baseline}
.pt-clos b{font-family:var(--f-mono);font-size:.78rem;color:var(--wk)}
.pt-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}

/* submissions */
.pt-subs{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.pt-sub{border:1px solid var(--line);background:var(--surface);border-radius:16px;padding:16px;display:grid;gap:8px;align-content:start}
.pt-sub h3{margin:0;font-size:1.08rem}
.pt-sub .due{font-family:var(--f-mono);font-size:.8rem;color:var(--muted)}
.pt-sub .w{font-size:1.9rem;font-weight:800;line-height:1;color:var(--wk)}
.pt-sub .w.sm{font-size:1.25rem}
.pt-sub.past{opacity:.6}

/* exam cards (Exams page) */
.pt-exams{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.pt-exam{border:1px solid var(--line);background:var(--surface);border-radius:16px;padding:14px 16px;display:grid;gap:8px;align-content:start;text-align:left;color:var(--ink);cursor:pointer}
.pt-exam:hover{border-color:var(--wk)}
.pt-exam .tags{display:flex;flex-wrap:wrap;gap:4px}
.pt-exam h3{margin:0;font-size:1.08rem}
.pt-exam h3 button{all:unset;cursor:pointer;font-weight:800}
.pt-exam h3 button:focus-visible{outline:2px solid var(--wk);outline-offset:2px}
.pt-exam .flags{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.pt-flag{display:inline-block;font-size:.8rem;font-weight:700;text-decoration:none;border-radius:6px;padding:3px 9px;background:var(--wk-soft);color:var(--wk)!important;border-left:3px solid var(--wk)}
.pt-flag:hover{background:var(--wk);color:var(--on-wk,#fff)!important}
.pt-tag.next{background:var(--wk);border-color:var(--wk);color:var(--on-wk,#fff)}
.pt-exam p{margin:0;color:var(--muted);font-size:.88rem}

.pt-foot{max-width:1100px;margin:0 auto;padding:18px 16px 30px;border-top:1px solid var(--line);font-size:.84rem;color:var(--muted);text-align:center;font-family:var(--f-display)}

@media (max-width:900px){.pt-agents{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:760px){
  .pt-big{grid-template-columns:minmax(0,1fr)}
  .pt-big a{grid-template-columns:auto minmax(0,1fr);column-gap:12px;padding:14px 16px}
  .pt-big .ic{grid-row:span 2;align-self:center}
  .pt-agents{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pt-cal thead{display:none}
  .pt-cal,.pt-cal tbody,.pt-cal tr,.pt-cal td{display:block;width:100%}
  .pt-cal tr{border-bottom:1px solid var(--line);padding:8px 4px}
  .pt-cal td{border:0;padding:2px 8px}
  .pt-cal td.w{width:auto}
  .pt-cal td[data-l]::before{content:attr(data-l) " · ";color:var(--muted);font-size:.78rem;font-family:var(--f-mono)}
  .pt-cal td:empty{display:none}
  .pt-clos div{grid-template-columns:minmax(0,1fr);gap:2px}
}
body[data-home] .ca-btn{display:none!important}
.pt-week{overflow-x:auto;margin:4px 0 0}
.pt-week table{width:100%;border-collapse:collapse;font-size:.8rem;table-layout:fixed}
@media (max-width:480px){.pt-week table{font-size:.72rem}.pt-week th,.pt-week td{padding:3px 2px}.pt-week tbody th{width:40px}}
.pt-week th,.pt-week td{border:1px solid var(--line);padding:4px 5px;text-align:center;vertical-align:middle;line-height:1.25}
.pt-week thead th{background:var(--sunk);font-weight:700}
.pt-week tbody th{font-family:var(--f-mono);font-size:.7rem;color:var(--muted);font-weight:400;width:52px;white-space:nowrap}
.pt-week td.busy{background:var(--sunk);color:var(--muted)}
.pt-week td.oh{background:color-mix(in srgb,var(--ag,var(--wk)) 22%,transparent);color:var(--ink);font-weight:700}