/* app frame (shell_ui.js) — same rules in the hosted app and the artifacts; colours come from each theme */
.shl{--s-bg:var(--bg);--s-card:var(--surface,var(--surf));--s-ink:var(--ink);--s-mut:var(--muted,var(--mut));--s-dim:var(--dim,var(--s-mut));
  --s-line:var(--line);--s-acc:var(--accent,var(--brass));--s-font:var(--ui,var(--sans));
  --s-shadow:0 1px 2px rgba(16,24,40,.05),0 8px 24px -14px rgba(16,24,40,.18);
  display:grid;grid-template-columns:244px minmax(0,1fr);min-height:calc(100vh / var(--se-wide,1));font-family:var(--s-font)}
.shl button{font-family:inherit;cursor:pointer}
.shl .shl-i{display:block;flex:0 0 auto}
.shl-off{display:block}.shl-off>.shl-nav,.shl-off .shl-bar{display:none!important}
/* ---- sidebar (wide screens) ---- */
.shl-nav{position:sticky;top:0;height:calc(100vh / var(--se-wide,1));overflow-y:auto;display:flex;flex-direction:column;gap:3px;padding:18px 14px 16px;
  border-right:1px solid var(--s-line);background:color-mix(in srgb,var(--s-card) 62%,transparent);backdrop-filter:blur(10px);z-index:30}
.shl .shl-brand{display:flex;align-items:center;gap:10px;background:none;border:0;padding:2px 8px 16px;color:var(--s-ink);font:400 22px/1.1 var(--display,var(--serif));text-align:left}
.shl-brand .shl-i{color:var(--s-acc)}
.shl-brand em{font-style:italic;color:var(--s-acc)}
.shl-items{display:flex;flex-direction:column;gap:3px}
.shl-it{display:flex;align-items:center;gap:11px;width:100%;padding:9px 10px;border-radius:12px;border:1px solid transparent;background:none;
  color:var(--s-mut);font-size:14px;font-weight:500;text-align:left;white-space:nowrap;line-height:1.2}
.shl-it:hover{color:var(--s-ink);background:color-mix(in srgb,var(--s-card) 70%,transparent)}
.shl-it[aria-current="page"]{background:var(--s-card);color:var(--s-ink);border-color:var(--s-line);box-shadow:var(--s-shadow)}
.shl-it[aria-current="page"] .shl-i{color:var(--s-acc)}
.shl-it .shl-s{display:none}
.shl-b{margin-left:auto;font-size:11px;font-weight:500;color:var(--s-dim)}
/* the grouped menu (25 Oct 2026): section headings, indented items, a gap before a new section, the exam countdown */
.shl-h{font-size:10.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--s-dim);padding:12px 10px 3px}
.shl-sec{margin-top:10px}
.shl-h.shl-sec{margin-top:4px}
.shl-it.shl-sub{padding:7px 10px 7px 20px;font-size:13.5px}
.shl-it.shl-sub .shl-i{width:16px;height:16px}
.shl-cd{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:1px;width:100%;margin:0 0 6px;padding:10px 12px 14px;border:1px solid var(--s-line);
  border-radius:12px;background:var(--s-card);color:var(--s-ink);text-align:left;overflow:hidden;box-shadow:var(--s-shadow)}
.shl-cd small{font-size:11px;color:var(--s-dim)}
.shl-cd b{font:600 21px/1.15 var(--display,var(--serif))}
.shl-cd span{font-size:11.5px;color:var(--s-mut)}
.shl-cd i{position:absolute;left:0;bottom:0;height:4px;background:var(--s-acc);opacity:.85}
.shl-cd:hover{border-color:var(--s-dim)}
/* groups (27 Oct 2026): the sidebar shows them as before; across the top each is one button with a list under it */
.shl-g,.shl-gm{display:contents}
.shl-gt{display:none}
.shl-pop{position:fixed;z-index:70;min-width:220px;max-width:calc(100vw - 16px);max-height:70vh;overflow:auto;padding:6px;display:flex;flex-direction:column;gap:2px;
  background:var(--s-card);border:1px solid var(--s-line);border-radius:14px;box-shadow:0 18px 44px -16px rgba(0,0,0,.35)}
.shl-pop[hidden]{display:none}
.shl-ph{font-size:10.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--s-dim);padding:6px 10px 4px}
.shl-pop .shl-it,.shl-pop .shl-it.shl-sub{flex-direction:row;width:100%;gap:11px;padding:10px 12px;font-size:14px;border-radius:10px;margin:0}
.shl-pop .shl-it .shl-i{width:18px;height:18px}
.shl-pop .shl-it .shl-l{display:inline}.shl-pop .shl-it .shl-s{display:none}
.shl-pop .shl-b{display:inline;margin-left:auto}
.shl-foot{margin-top:auto;padding-top:14px;display:flex;flex-direction:column;gap:8px}
.shl-frow{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.shl-fb{width:36px;height:36px;border-radius:11px;border:1px solid var(--s-line);background:var(--s-card);color:var(--s-mut);display:inline-flex;align-items:center;justify-content:center;padding:0;font-size:12.5px;font-weight:600}
.shl-fb:hover{color:var(--s-ink);border-color:var(--s-dim)}
.shl-fb[aria-pressed="true"]{color:var(--s-acc);border-color:var(--s-acc)}
.shl-user{display:flex;align-items:center;gap:10px;padding:9px 10px;border:1px solid var(--s-line);border-radius:12px;background:var(--s-card);color:var(--s-ink);width:100%;text-align:left;font-size:13px}
.shl-av{width:28px;height:28px;border-radius:50%;background:color-mix(in srgb,var(--s-acc) 22%,var(--s-card));color:var(--s-acc);display:inline-flex;align-items:center;justify-content:center;font-weight:600;font-size:12px;flex:0 0 auto}
.shl-user small{display:block;color:var(--s-dim);font-size:11.5px}
/* ---- main column + the pinned toolbar ---- */
.shl-main{min-width:0;padding:0 28px 40px}
html{scroll-padding-top:calc(var(--shl-top,0px) + 8px)}
.shl-bar{position:sticky;top:calc(env(safe-area-inset-top,0px) + var(--shl-nav-h,0px));z-index:40;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:center;
  padding:14px 0 12px;margin:0 -28px;padding-left:28px;padding-right:28px;background:color-mix(in srgb,var(--s-bg) 86%,transparent);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:border-color .2s}
.shl-bar.shl-compact{border-bottom-color:var(--s-line)}
.shl-stack{display:flex;flex-direction:column;gap:8px;position:relative;min-width:0}
.shl-f{display:flex;align-items:center;gap:8px;height:40px;padding:0 10px 0 12px;border:1px solid var(--s-line);border-radius:12px;background:var(--s-card);box-shadow:var(--s-shadow);min-width:0}
.shl-f:focus-within{border-color:var(--s-acc)}
.shl-fi{color:var(--s-dim);display:flex}
.shl-ask .shl-fi{color:var(--s-acc)}
.shl-ask{border-color:color-mix(in srgb,var(--s-acc) 28%,var(--s-line))}
.shl-f input{flex:1;min-width:0;height:100%;border:0;background:transparent;color:var(--s-ink);font:14px var(--s-font);outline:none;padding:0;margin:0;box-shadow:none;border-radius:0}
.shl-f input::placeholder{color:var(--s-dim)}
.shl-f input::-webkit-search-cancel-button{display:none}
.shl-scope{flex:0 1 auto;max-width:11rem;height:28px;margin:0;padding:0 22px 0 9px;border:1px solid var(--s-line);border-radius:8px;color:var(--s-ink);font:500 12.5px var(--s-font);cursor:pointer;
  -webkit-appearance:none;appearance:none;background:color-mix(in srgb,var(--s-acc) 7%,var(--s-card)) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23888' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 7px center;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}
.shl-scope[hidden]{display:none}
.shl-scope:focus-visible{outline:2px solid var(--s-acc);outline-offset:1px}
.shl-mic,.shl-askt{background:none;border:0;padding:4px;color:var(--s-dim);display:flex;border-radius:8px}
.shl-mic:hover,.shl-askt:hover{color:var(--s-acc)}
.shl-askt{display:none}
.shl-btn{height:44px;min-width:44px;border-radius:14px;border:1px solid var(--s-line);background:var(--s-card);color:var(--s-ink);display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 12px;box-shadow:var(--s-shadow);font-size:13.5px;font-weight:500;white-space:nowrap}
.shl-btn:hover:not(:disabled){border-color:var(--s-dim)}
.shl-btn:disabled{opacity:.4;cursor:default}
.shl-read[aria-pressed="true"]{border-color:var(--s-acc);color:var(--s-acc)}
.shl-results{position:absolute;top:46px;left:0;right:0;z-index:60;max-height:min(62vh,520px);overflow:auto;background:var(--s-card);border:1px solid var(--s-line);border-radius:12px;box-shadow:0 16px 40px -16px rgba(0,0,0,.35)}
.shl-content{min-width:0}
/* ---- iPad and phone: the sections go across the top ---- */
@media (max-width:1023px){
  .shl{display:block}
  /* pinned to the top with the toolbar under it (--shl-nav-h is measured by shell_ui.js) */
  .shl-nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:41;height:auto;flex-direction:row;align-items:center;gap:6px;padding:10px 14px 0;border-right:0;
    background:color-mix(in srgb,var(--s-bg) 86%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);overflow-x:auto;scrollbar-width:none}
  .shl-nav::-webkit-scrollbar{display:none}
  .shl .shl-brand{padding:0 6px 0 2px;flex:0 0 auto}.shl .shl-brand span{display:none}
  /* icon over a short label, so every section fits across an iPad without scrolling */
  .shl-items{flex-direction:row;gap:4px;padding:4px;border:1px solid var(--s-line);border-radius:16px;background:var(--s-card);box-shadow:var(--s-shadow)}
  .shl-it{width:auto;flex-direction:column;gap:3px;padding:6px 12px;border-radius:12px;font-size:11.5px}
  .shl-it .shl-l{display:none}.shl-it .shl-s{display:inline}
  .shl-it[aria-current="page"]{background:var(--s-ink);color:var(--s-bg);border-color:var(--s-ink);box-shadow:none}
  .shl-it[aria-current="page"] .shl-i{color:var(--s-bg)}
  .shl-b{display:none}
  /* grouped menu across the top: no headings or gaps; the countdown becomes a small "N days" pill at the front */
  .shl-h{display:none}
  .shl-sec{margin-top:0}
  .shl-it.shl-sub{padding:6px 12px;font-size:11.5px}
  .shl-gt{display:flex;position:relative}
  .shl-gt .shl-s{display:inline-flex;align-items:center;gap:2px}
  .shl-gt[aria-expanded="true"]:not([aria-current="page"]){background:color-mix(in srgb,var(--s-acc) 12%,transparent);color:var(--s-ink)}
  .shl-gb{position:absolute;top:2px;right:4px;min-width:15px;height:15px;padding:0 4px;border-radius:8px;background:var(--s-acc);color:var(--s-bg);font-size:9.5px;font-weight:700;line-height:15px;text-align:center}
  .shl-gm>.shl-it{display:none}
  .shl-cd{width:auto;flex:0 0 auto;margin:0 2px 0 0;padding:6px 10px 8px;justify-content:center;align-items:center;box-shadow:none}
  .shl-cd small,.shl-cd span{display:none}
  .shl-cd b{font-size:13px;white-space:nowrap}
  .shl-cd i{height:3px}
  .shl-foot{margin:0 0 0 auto;padding:0;flex-direction:row;align-items:center;flex:0 0 auto}
  .shl-foot .shl-user small,.shl-foot .shl-user .shl-un{display:none}
  .shl-foot .shl-user{width:auto;padding:4px;border-radius:999px}
  .shl-main{padding:0 14px 30px}
  .shl-bar{margin:0 -14px;padding:10px 14px}
}
@media (max-width:699px){
  .shl .shl-brand{display:none}
  .shl-it,.shl-it.shl-sub{gap:2px;padding:6px 9px;font-size:10.5px}
  .shl-foot .shl-frow{display:none}
  .shl-read span{display:none}
  .shl-btn{height:40px;min-width:40px;padding:0 10px;border-radius:12px}
  .shl-f{height:38px}
  .shl-search:has(.shl-scope:not([hidden])) .shl-fi{display:none}
  .shl-scope{max-width:7.5rem;font-size:12px}
  .shl-bar{gap:8px}
  .shl-bar.shl-compact .shl-ask{display:none}
  .shl-bar.shl-compact .shl-askt{display:flex}
  .shl-bar.shl-compact.shl-askopen .shl-ask{display:flex}
  .shl-results{top:44px}
}

/* Exam | Day to Day switch at the top of the menu (3 Nov 2026) */
.shl-mode{display:flex;gap:2px;padding:3px;margin:0 0 8px;border-radius:12px;background:color-mix(in srgb,var(--s-line,var(--line)) 60%,transparent);flex:none}
.shl-mode button{all:unset;box-sizing:border-box;flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:34px;padding:0 10px;border-radius:9px;font:600 12.5px/1.1 var(--sans,inherit);color:var(--s-dim,var(--muted));cursor:pointer;white-space:nowrap}
.shl-mode button[aria-pressed="true"]{background:var(--s-card,var(--surface));color:var(--s-ink,var(--ink));box-shadow:0 1px 3px rgba(0,0,0,.12)}
.shl-mode button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
@media (max-width:1023px){.shl-mode{margin:0 6px 0 0;align-self:center}.shl-mode button{min-height:30px;padding:0 8px}.shl-mode button span{font-size:12px}}
/* three modes (Exam, Day to Day, Program; 4 Nov 2026): no icons in the sidebar switch so all three fit */
@media (min-width:1024px){.shl-mode:has(>button:nth-child(3)) button{gap:0;padding:0 4px;min-width:0}.shl-mode:has(>button:nth-child(3)) button svg{display:none}}