:root{--ink:#09243a;--muted:#5c7181;--line:#cfe0ea;--blue:#0878a8;--blue2:#0a4770;--soft:#edf7fc;--green:#15845a;--amber:#b76800}.portal-hero{background:linear-gradient(135deg,#061a33,#0a4770);color:#fff;padding:48px 20px}.portal-hero>div{max-width:1060px;margin:auto}.portal-hero a{color:#a9e9ff}.portal-hero h1{font-size:clamp(2.1rem,6vw,4.1rem);margin:.4rem 0}.portal-hero p{max-width:780px;color:rgba(255,255,255,.84);line-height:1.65}.portal-shell{max-width:1000px;margin:auto;padding:28px 18px 64px}.entry-card,.assignment-card,.help-card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 12px 30px rgba(9,40,61,.08);padding:22px;margin-bottom:20px}.entry-card{display:grid;grid-template-columns:1fr minmax(320px,480px);gap:28px;align-items:start}.eyebrow{text-transform:uppercase;letter-spacing:.09em;font-weight:900;font-size:.78rem;color:var(--blue);margin:0 0 6px}.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.entry-grid label{font-weight:850}.entry-grid input{min-height:46px;border:1px solid #a8c5d5;border-radius:12px;padding:0 12px;font:inherit;text-transform:none}.entry-grid label,.entry-grid input:first-of-type{grid-column:1/-1}.entry-grid input#assignmentCode{text-transform:uppercase;letter-spacing:.12em;font-weight:900}.entry-grid button{grid-column:1/-1;min-height:46px}.primary,.secondary{border-radius:12px;padding:0 16px;font:inherit;font-weight:900;cursor:pointer}.primary{border:1px solid var(--blue);background:var(--blue);color:#fff}.secondary{border:1px solid #9bbbc9;background:#fff;color:var(--ink)}.message{grid-column:1/-1;border-radius:13px;padding:13px;font-weight:800}.message.error{background:#fff2ef;border:1px solid #efb2a6;color:#8b2f1f}.message.success{background:#effaf4;border:1px solid #a9dfc4;color:#0b6a45}.assignment-head{display:flex;justify-content:space-between;gap:18px;align-items:start}.status{border-radius:999px;padding:7px 12px;background:#eef4f7;border:1px solid #cfdde4;font-weight:900}.status.active{background:#fff7e8;border-color:#efc778;color:#865000}.status.complete{background:#effaf4;border-color:#a9dfc4;color:#0b6a45}.details{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:16px 0}.details div{background:var(--soft);border:1px solid #c8e0ec;border-radius:14px;padding:14px}.details span{display:block;color:var(--muted);font-size:.8rem;font-weight:850;text-transform:uppercase;letter-spacing:.04em;margin-bottom:5px}.note{color:var(--muted);line-height:1.6}.actions{display:flex;justify-content:flex-end;gap:10px}.actions button{min-height:46px}.help-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.help-grid article{border:1px solid var(--line);border-radius:15px;padding:15px}.help-grid strong{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--soft);color:var(--blue2)}.help-grid h3{margin:.65rem 0 .35rem}.help-grid p{margin:0;color:var(--muted);line-height:1.5}@media(max-width:820px){.entry-card{grid-template-columns:1fr}.details,.help-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:580px){.details,.help-grid{grid-template-columns:1fr}.assignment-head{flex-direction:column}.actions{flex-direction:column}.actions button{width:100%}}