/* Shared by the four student workbook hubs. Year accents match the landing page. */
:root {
  color-scheme: light;
  --navy: #07162f;
  --accent: #f7a25c;
  --accent-ink: #80501e;
  --paper: #f4f0e5;
  --standalone-top-bg: var(--navy);
}
:root[data-year="10"] { --accent: #b4d84e; --accent-ink: #49651f; }
:root[data-year="11"] { --accent: #f7d23e; --accent-ink: #78601b; }
* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; background: var(--paper); color: var(--navy); }
header { background: var(--navy); color: white; padding: 2.5rem max(1.25rem, calc((100vw - 960px) / 2)); border-bottom: 6px solid var(--accent); }
header a { display: inline-flex; align-items: center; gap: .4rem; min-height: 48px; color: var(--accent); font-weight: 700; }
h1 { margin: .6rem 0; font: 900 clamp(2.2rem, 7vw, 4rem)/.95 "Arial Black", "Archivo Black", Arial, sans-serif; text-transform: uppercase; letter-spacing: -.05em; overflow-wrap: break-word; }
h1 em { font-style: normal; color: var(--accent); }
header p { max-width: 46rem; color: #d5deeb; line-height: 1.5; }
main { max-width: 960px; margin: auto; padding: 2rem 1.25rem 4rem; }
main > p { max-width: 46rem; line-height: 1.55; }
h2 { margin: 2.4rem 0 1rem; font: 900 1.3rem "Arial Black", "Archivo Black", Arial, sans-serif; text-transform: uppercase; }
main > h2:first-child { margin-top: 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 1rem; }
.card { display: flex; flex-direction: column; min-width: 0; padding: 1.2rem; border: 2px solid var(--navy); background: #fffdf7; }
.card:focus-within, .card:hover { box-shadow: 6px 6px 0 var(--accent); }
.card strong { display: block; margin-bottom: .45rem; font-size: 1.08rem; line-height: 1.3; }
.card strong a { color: inherit; text-decoration: none; }
.card span { display: block; color: #4a5360; line-height: 1.45; }
.card .meta { margin-bottom: .45rem; color: var(--accent-ink); font-size: .85rem; font-weight: 700; }
.card small { display: flex; flex-wrap: wrap; gap: .4rem 1rem; margin-top: auto; padding-top: .8rem; font-weight: 700; }
.card small a { display: inline-flex; align-items: center; min-height: 48px; }
main a { color: var(--accent-ink); }
.note { margin: 2rem 0 0; padding: 1rem 1.2rem; border-left: 5px solid var(--accent); background: #fffdf7; line-height: 1.5; }
.note a { font-weight: 700; }
a:focus-visible { outline: 3px solid var(--accent-ink); outline-offset: 4px; }
header a:focus-visible { outline-color: var(--accent); }
.icon { width: 1em; height: 1em; flex: none; vertical-align: -.14em; fill: none; stroke: currentColor; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.copyright { margin: 3rem 0 0; font-size: .85rem; opacity: .75; }