/* Teaching workspace: clear context, readable writing, separate administration. */
:root{--ink:#203c4b;--accent:#176681;--line:#d5e2e8;--muted:#546c79}
body{font-size:16px;line-height:1.55;background:#f4f7f9;color:var(--ink)}
header{background:#fff;padding:16px max(24px,calc((100vw - 1160px)/2));box-shadow:0 3px 16px #203c4b08;border-bottom:1px solid var(--line)}
.brandRow{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:16px}
h1{font-size:22px;letter-spacing:.02em;margin:0;white-space:nowrap}h1 span{font-size:16px;font-weight:500;border-left:1px solid var(--line);padding-left:14px;margin-left:10px}
.accountRow{margin:0;padding:0;border:0;align-items:center;gap:20px;font-size:14px}.accountMenu summary{font-size:14px;padding:10px}.accountMenu{position:relative}.accountMenuPanel{position:absolute;right:0;top:100%;background:#fff;padding:16px;box-shadow:0 8px 24px #203c4b20;border:1px solid var(--line);border-radius:12px;min-width:170px;z-index:5}#signedIn{line-height:1.5}
.recordToolbar{gap:12px}.recordToolbar label{margin:0;max-width:460px}.recordToolbar #status{margin-left:auto;font-size:14px;font-weight:600;padding:8px 12px;background:#edf5f8;border-radius:8px;min-height:38px}
main{max-width:1208px;padding:24px}.card{padding:24px;border-color:var(--line);border-radius:12px;margin-bottom:20px;box-shadow:0 2px 3px #203c4b03}h2{font-size:18px;margin-bottom:16px}h3{font-size:17px;margin:24px 0 12px}
label{font-size:14px;margin:8px 0;color:var(--ink)}input,select,textarea{border-color:#b9cdd8;border-radius:8px;min-width:0;font-size:16px}button,.buttonLink{font-size:15px;font-weight:600;border-radius:8px;transition:background .15s;min-height:46px}button:hover,.buttonLink:hover{background:#edf5f8}.primary{background:var(--accent)}.primary:hover{background:#124f65;color:white}:focus-visible{outline:3px solid #2688b5;outline-offset:3px}button:disabled{cursor:wait;opacity:.55}
.note{font-size:14px;line-height:1.65;color:var(--muted);margin:8px 0 12px}#fontStatus:empty{display:none}textarea{line-height:1.85;font-size:16px}#reflection{height:280px;min-height:280px;overflow-y:auto;resize:vertical}.sticky{position:static}.work{grid-template-columns:minmax(280px,.85fr) minmax(340px,1.4fr);gap:20px}.three,.grid{gap:16px}.three>* ,.grid>*{min-width:0}.activity{grid-template-columns:120px minmax(0,1fr)}
.contextCard{padding:16px 24px;background:#fafdff}#assignmentStatus{font-size:14px;margin:10px 0;color:var(--muted)}#admin{border-top:1px solid var(--line);margin-top:14px;padding-top:6px}#admin>summary{font-size:15px;color:var(--accent)}#admin[open]{padding-bottom:12px}#schoolPdf{font-size:14px}details summary{min-height:44px}dialog{padding:24px;border-radius:16px}dialog::backdrop{background:#172e40a6}#loginPanel{max-width:520px;margin:12vh auto;padding:32px}
@media(max-width:760px){header{position:static;padding:16px}.brandRow{gap:12px;align-items:flex-start}.brandRow h1{font-size:19px;white-space:normal}.brandRow h1 span{display:block;border:0;padding:0;margin:2px 0 0;font-size:14px}.accountRow{gap:4px;flex-direction:column;align-items:flex-end;font-size:12px}.accountMenu summary{font-size:14px}main{padding:16px}.card{padding:20px}.work,.grid,.three{grid-template-columns:1fr}.recordToolbar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px}.recordToolbar label{max-width:none;grid-column:1/-1}.recordToolbar #new{grid-column:1/-1;text-align:center}.recordToolbar #status{margin:0;font-size:14px;padding:8px 0;background:transparent}.recordToolbar #previewBtn{font-size:14px;padding:12px}.contextCard{padding:16px}#reflection{min-height:280px}.activity{grid-template-columns:110px minmax(0,1fr)}#loginPanel{margin:32px 16px;padding:24px}dialog{padding:16px}}
@media(max-width:380px){.activity{grid-template-columns:1fr}.recordToolbar{grid-template-columns:1fr}.recordToolbar #previewBtn{width:100%}}