/* NHH practice pages. Same design language as the CV page: Geist, grid, mono labels. */
@font-face { font-family: "Geist"; src: url("/fonts/Geist-Variable.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("/fonts/GeistMono-Variable.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {
  --bg: #FAFAF8; --ink: #0E0E0D; --muted: #5E5E59; --rule: #E2E2DE; --card: #FFFFFF; --soft: #F2F2EE;
  --ok: #0A6B5A; --ok-bg: #E6F2EE; --err: #B42318; --err-bg: #FBECEA; --warn: #7A5000; --warn-bg: #FFF4DB;
  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --gutter: clamp(1rem, 3.5vw, 3rem);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0C0C0B; --ink: #F1F1EE; --muted: #A3A39D; --rule: #2A2A28; --card: #141413; --soft: #1B1B19;
    --ok: #4CC6A8; --ok-bg: #10231E; --err: #FF8A80; --err-bg: #2A1412; --warn: #E3B341; --warn-bg: #261F0C; }
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 1.0625rem/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--ok); outline-offset: 3px; }
h1, h2, h3, p, ol, ul, dl, dd, figure { margin: 0; }
button { font: inherit; color: inherit; }
[hidden] { display: none !important; }

.page { max-width: 78rem; margin: 0 auto; padding: 0 var(--gutter); }
.mono { font-family: var(--mono); font-size: .8125rem; letter-spacing: .01em; }
.muted { color: var(--muted); }
.label { font: 500 .75rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

/* Math: never wider than its container */
.katex { font-size: 1.06em; }
.avsnitt { display: block; height: .7rem; }
.katex-display { margin: .7rem 0; overflow-x: auto; overflow-y: hidden; padding: .15rem 0; }
.katex-display > .katex { font-size: 1.12em; }
@media (max-width: 600px) { .katex-display > .katex { font-size: 1.02em; } }

/* Top bar and footer */
.top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.1rem 0 .9rem; border-bottom: 1px solid var(--ink); color: var(--muted); }
.crumbs { display: flex; flex-wrap: wrap; gap: .25rem .45rem; }
.crumbs a { text-decoration: none; } .crumbs a:hover { text-decoration: underline; }
.crumbs span[aria-hidden] { opacity: .6; }
.prog { display: flex; align-items: center; gap: .6rem; white-space: nowrap; }
.bar { width: 8rem; height: 4px; background: var(--rule); }
.bar i { display: block; height: 100%; width: 0; background: var(--ok); transition: width .3s; }
footer.site { margin-top: clamp(3rem, 6vw, 5rem); padding: 1.25rem 0 3rem; border-top: 1px solid var(--ink); display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem 2rem; color: var(--muted); }
footer.site a { color: var(--ink); }

/* Landing */
.hero { padding: clamp(3rem, 8vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem); }
.hero h1 { font-size: clamp(2.6rem, 7.4vw, 6rem); font-weight: 600; line-height: .92; letter-spacing: -.05em; max-width: 14ch; }
.lede { margin-top: 1.5rem; font-size: clamp(1.15rem, 1.9vw, 1.45rem); line-height: 1.35; letter-spacing: -.012em; max-width: 40ch; text-wrap: balance; }
.facts { display: flex; flex-wrap: wrap; gap: .5rem 1.75rem; margin-top: 2rem; color: var(--muted); }
.facts span::before { content: "●"; color: var(--ok); font-size: .7em; vertical-align: .15em; margin-right: .5em; }
section.blokk { padding-top: clamp(2.5rem, 5vw, 4rem); }
section.blokk > h2 { font: 500 .8125rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding-bottom: 1rem; }
.tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.tile { display: flex; flex-direction: column; gap: 1rem; min-height: 15rem; padding: 1.5rem; border: 1px solid var(--rule); background: var(--card); text-decoration: none; transition: border-color .15s; }
a.tile:hover { border-color: var(--ink); }
.tile .code { font: 500 clamp(2.4rem, 4vw, 3.25rem)/1 var(--mono); letter-spacing: -.04em; }
.tile .name { font-size: 1.2rem; font-weight: 600; letter-spacing: -.012em; }
.tile .go { margin-top: auto; display: flex; justify-content: space-between; align-items: baseline; border-top: 1px solid var(--rule); padding-top: 1rem; font-weight: 550; }
.tile.soon { color: var(--muted); } .tile.soon .code { color: var(--muted); }
.badge { font: 500 .75rem var(--mono); text-transform: uppercase; letter-spacing: .08em; border: 1px solid var(--rule); padding: .2rem .5rem; width: fit-content; }
.tile.more { grid-column: 1 / -1; min-height: 0; flex-direction: row; justify-content: space-between; align-items: center; border-style: dashed; background: transparent; }
.steps3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; border-top: 1px solid var(--rule); padding-top: 1.5rem; }
.steps3 b { display: block; font-size: 1.1rem; margin: .35rem 0 .25rem; }
.steps3 p { color: var(--muted); }

/* Page header (course, set, topic) */
.head { padding: clamp(2rem, 5vw, 3.5rem) 0 1.5rem; display: grid; gap: .6rem; }
.head h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 600; letter-spacing: -.045em; line-height: 1; }
.head .lede { margin-top: .4rem; font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--muted); max-width: 52ch; }
.merknad { border-left: 3px solid var(--warn); background: var(--warn-bg); padding: .7rem .9rem; max-width: 60ch; }

/* Course page lists */
.rader { list-style: none; padding: 0; border-top: 1px solid var(--rule); }
.rader li { border-bottom: 1px solid var(--rule); }
.rader a { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .25rem 1.5rem; align-items: baseline; padding: 1rem 0; text-decoration: none; }
.rader a:hover .tittel { text-decoration: underline; text-underline-offset: .2em; }
.rader .tittel { font-size: 1.2rem; font-weight: 600; letter-spacing: -.012em; }
.rader .info { color: var(--muted); grid-column: 1; }
.rader .status { grid-column: 2; grid-row: 1 / span 2; font-family: var(--mono); font-size: .8125rem; color: var(--muted); align-self: center; }
.rader .status.ferdig { color: var(--ok); }
.temaer { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: .75rem; }
.temaer a { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; padding: .9rem 1rem; border: 1px solid var(--rule); background: var(--card); text-decoration: none; }
.temaer a:hover { border-color: var(--ink); }
.utelatt { color: var(--muted); font-size: .95rem; max-width: 62ch; }

/* Set page */
.oppgnav { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .75rem; }
.oppgnav a { font: 500 .875rem var(--mono); text-decoration: none; border: 1px solid var(--rule); padding: .35rem .7rem; display: inline-flex; gap: .45rem; align-items: center; background: var(--card); }
.oppgnav a:hover { border-color: var(--ink); }
.dot { width: .5rem; height: .5rem; border-radius: 50%; background: var(--rule); flex: none; }
.dot.ok { background: var(--ok); } .dot.part { background: var(--warn); }

.oppgave { padding-top: 2.5rem; scroll-margin-top: 1rem; content-visibility: auto; contain-intrinsic-size: auto 900px; }
.oppgave > h2 { font-size: clamp(1.35rem, 2vw, 1.75rem); font-weight: 600; letter-spacing: -.02em; border-top: 2px solid var(--ink); padding-top: .9rem; margin-bottom: 1.25rem; }
.oppgave .kontekst-lenke { font-weight: 400; color: var(--muted); font-size: .95rem; margin-left: .5rem; }
.layout { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 2rem; align-items: start; }
.layout.uten-kontekst { grid-template-columns: minmax(0, 1fr); max-width: 50rem; }
.kontekst { position: sticky; top: 1rem; border: 1px solid var(--rule); background: var(--card); padding: 1.2rem 1.4rem; max-height: calc(100vh - 2rem); overflow: auto; }
.kontekst .label { display: block; margin-bottom: .5rem; }
.deler { display: grid; gap: 1rem; min-width: 0; }

.del { border: 1px solid var(--rule); background: var(--card); scroll-margin-top: 1rem; min-width: 0; }
.del-head { display: flex; justify-content: space-between; gap: 1rem; padding: 1.1rem 1.4rem .2rem; }
.del-head h3 { font-size: 1.05rem; font-weight: 600; display: flex; align-items: center; gap: .5rem; }
.del-head .type { color: var(--muted); text-align: right; }
.sporsmal { padding: .35rem 1.4rem 1.1rem; }
.sporsmal p + p, .blokktekst p + p { margin-top: .5rem; }
.innledning { padding: 0 1.4rem .6rem; }

form.svar { padding: 0 1.4rem 1.1rem; display: grid; gap: .9rem; }
.felter { display: flex; flex-wrap: wrap; gap: .75rem 1.25rem; align-items: flex-end; }
.felt { display: inline-flex; flex-wrap: wrap; align-items: center; gap: .5rem; }
.felt input { font: 500 1rem var(--mono); width: 9rem; padding: .55rem .65rem; border: 1px solid var(--muted); background: var(--bg); color: var(--ink); border-radius: 0; }
.felt.uttrykk input { width: 13rem; }
.felt input:focus { outline: 2px solid var(--ok); outline-offset: 1px; }
.felt.ok input { border-color: var(--ok); background: var(--ok-bg); }
.felt.err input { border-color: var(--err); background: var(--err-bg); }
.enhet { color: var(--muted); }
fieldset.valg { border: 0; padding: 0; margin: 0; display: grid; gap: .5rem; min-width: 0; }
fieldset.valg legend { padding: 0; margin-bottom: .5rem; font-weight: 550; }
.alternativ { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .65rem; align-items: start; padding: .65rem .8rem; border: 1px solid var(--rule); cursor: pointer; }
.alternativ:hover { border-color: var(--muted); }
.alternativ input { margin: .3rem 0 0; accent-color: var(--ink); }
.alternativ.ok { border-color: var(--ok); background: var(--ok-bg); }
.alternativ.err { border-color: var(--err); background: var(--err-bg); }
.alternativ .hvorfor { grid-column: 2; color: var(--muted); font-size: .95rem; margin-top: .25rem; }

.knapper { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.btn { font: 550 .95rem var(--sans); padding: .55rem 1rem; border: 1px solid var(--ink); background: var(--ink); color: var(--bg); cursor: pointer; }
.btn:hover { opacity: .88; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.lenke { border: 0; background: none; color: var(--muted); text-decoration: underline; text-underline-offset: .2em; padding: .55rem .25rem; }

.fb { margin: 0 1.4rem 1.1rem; padding: .8rem 1rem; border-left: 3px solid var(--rule); background: var(--soft); }
.fb.ok { border-color: var(--ok); background: var(--ok-bg); }
.fb.err { border-color: var(--err); background: var(--err-bg); }
.fb b { display: block; margin-bottom: .15rem; }
.fb ul { padding-left: 1.1rem; margin-top: .35rem; display: grid; gap: .3rem; }

.hint, .forklaring { border-top: 1px solid var(--rule); padding: 1rem 1.4rem 1.1rem; display: grid; gap: 1rem; }
.hint h4, .forklaring h4 { font: 500 .75rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 .25rem; }
.signal { background: var(--soft); padding: .7rem .9rem; }
.steg { counter-reset: s; list-style: none; padding: 0; display: grid; gap: .6rem; }
.steg li { counter-increment: s; display: grid; grid-template-columns: 1.6rem minmax(0, 1fr); gap: .4rem; min-width: 0; }
.steg li::before { content: counter(s); font: 500 .8rem var(--mono); color: var(--muted); padding-top: .25rem; }
.steg li > div { min-width: 0; }
.steg-panel { padding: 0 1.4rem 1.1rem; display: grid; gap: .8rem; }
.feilliste { padding-left: 1.1rem; display: grid; gap: .35rem; list-style: "–  "; }
.selv { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.selv .label { margin-right: .25rem; }
.selv .btn[aria-pressed="true"] { background: var(--ok); border-color: var(--ok); color: var(--bg); }

.avvik { margin: 0 1.4rem 1.1rem; padding: .8rem 1rem; border-left: 3px solid var(--warn); background: var(--warn-bg); display: grid; gap: .35rem; }
.avvik b { font-weight: 600; }

.del-foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem 1rem; border-top: 1px solid var(--rule); padding: .7rem 1.4rem; color: var(--muted); }
.del-foot button { font: inherit; color: inherit; background: none; border: 0; text-decoration: underline; text-underline-offset: .2em; cursor: pointer; padding: 0; }

/* Report dialog */
dialog.meld { border: 1px solid var(--ink); background: var(--bg); color: var(--ink); padding: 1.4rem; width: min(32rem, calc(100vw - 2rem)); }
dialog.meld::backdrop { background: rgba(0, 0, 0, .45); }
dialog.meld form { display: grid; gap: .9rem; }
dialog.meld h2 { font-size: 1.25rem; font-weight: 600; }
dialog.meld select, dialog.meld textarea { font: inherit; width: 100%; padding: .55rem .65rem; border: 1px solid var(--muted); background: var(--card); color: var(--ink); border-radius: 0; }
dialog.meld textarea { min-height: 7rem; resize: vertical; }
dialog.meld label { display: grid; gap: .35rem; font-weight: 550; }
dialog.meld .fallfelle { display: block; position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

@media (max-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 1rem; }
  .kontekst { position: static; max-height: none; padding: 1rem; }
  .del-head, .sporsmal, .innledning, form.svar, .hint, .forklaring, .steg-panel, .del-foot { padding-left: 1rem; padding-right: 1rem; }
  .fb, .avvik { margin-left: 1rem; margin-right: 1rem; }
}
@media (max-width: 600px) {
  .crumbs > a:first-child, .crumbs > a:first-child + span { display: none; }   /* the site name is one tap away in the footer */
  .top > span:last-child { display: none; }                                    /* repeated below the heading */
  .kort-skjult { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }   /* still read by screen readers */
  .oppgnav a { min-width: 2.75rem; justify-content: center; }
}
@media (max-width: 760px) {
  .tiles, .steps3 { grid-template-columns: 1fr; }
  .tile { min-height: 0; }
  .tile.more { flex-direction: column; align-items: flex-start; gap: .5rem; }
  .bar { width: 4.5rem; }
  .felt input, .felt.uttrykk input { width: 100%; }
  .felt { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { .bar i { transition: none; } }