/* Kurssms-demot. Laddas efter stil.css och lånar dess formulär, knappar och närvarolista.
   Inga externa typsnitt. Färgparen kontrolleras av checks/verify.py (kontrollera_demo_kontrast):
   ändra inte en färg utan att köra den.

   Idé: en byggarbetsplats i grått och petrol där en enda sak lyser hi-vis-gult — steget du står
   på. Telefonen är huvudsaken; allt annat är tyst. */
:root {
  --d-bg: #e9edf0;
  --d-yta: #ffffff;
  --d-text: #16212b;
  --d-dampad: #4b5864;
  --d-petrol: #17505a;
  --d-pa-petrol: #ffffff;
  --d-hivis: #f5c400;
  --d-pa-hivis: #16212b;
  --d-natt: #1d2832;
  --d-pa-natt: #ffffff;
  --d-natt-dampad: #c9d2d9;
  --d-bubbla-in: #e7ebee;
  --d-tid: #57636e;
  --d-kant: #6b7680;
  --d-citat-bg: #fff4c2;
}

body.demo { background: var(--d-bg); color: var(--d-text); }
[hidden] { display: none !important; }   /* flex/grid-regler nedan får inte visa dolda element */
.dold { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* --- Sidhuvud ------------------------------------------------------------------------- */
.d-topp { background: var(--d-natt); color: var(--d-pa-natt); }
.d-inre { display: flex; flex-wrap: wrap; align-items: center; gap: .25rem 1rem; max-width: 72rem; margin: 0 auto; padding: .4rem 1rem; }
.d-marke { color: var(--d-pa-natt); font-weight: 800; font-size: 1.15rem; letter-spacing: -.01em; text-decoration: none;
  display: inline-flex; align-items: center; min-height: 44px; border-bottom: 4px solid var(--d-hivis); }
.d-undertitel { color: var(--d-natt-dampad); background: var(--d-natt); font-size: .95rem; flex: 1 1 auto; }
.d-topp :focus-visible { outline-color: var(--d-hivis); }
.d-borja-om { margin: 0; }
.d-borja-om button.lank { color: var(--d-pa-natt); background: var(--d-natt); }

.d-main { max-width: 72rem; margin: 0 auto; padding: 1rem; }

/* --- Typografi -------------------------------------------------------------------------- */
.demo h1 { font-size: clamp(1.6rem, 1.15rem + 2vw, 2.5rem); line-height: 1.08; font-weight: 800; letter-spacing: -.025em; margin: .25rem 0 .9rem; max-width: 22ch; }
.demo h2 { font-size: 1.25rem; font-weight: 750; letter-spacing: -.01em; }
.d-ingress { font-size: 1.15rem; line-height: 1.5; max-width: 34em; }
.d-steg p { max-width: 36em; }
.d-varfor { color: var(--d-dampad); background: var(--d-yta); border-left: 4px solid var(--d-petrol); padding: .5rem .9rem; margin: 1rem 0; }
.demo q { quotes: "\201D" "\201D"; font-weight: 600; }

/* --- Layout ----------------------------------------------------------------------------- */
/* Mobil: stegen, förklaringen, telefonen, sedan lärarens lista eller resultatet.
   Bred skärm: telefonen till vänster genom hela turen, allt annat till höger. */
.d-tva { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.25rem; }
.d-tur { grid-template-areas: "rals" "steg" "telefon" "extra"; }
.d-tur .d-rals { grid-area: rals; }
.d-tur .d-steg { grid-area: steg; }
.d-tur .telefon { grid-area: telefon; }
.d-tur .d-larare, .d-tur .d-resultat { grid-area: extra; }
@media (min-width: 56rem) {
  .d-main { padding: 2rem 1.5rem; }
  .d-tva { grid-template-columns: 22rem minmax(0, 1fr); gap: 1rem 3.5rem; }
  .d-tur { grid-template-areas: "telefon rals" "telefon steg" "telefon extra"; grid-template-rows: auto auto 1fr; }
  .d-tur .telefon, .d-start .telefon { position: sticky; top: 1rem; align-self: start; }
  .d-start { grid-template-columns: minmax(0, 1fr) 22rem; align-items: start; }
}
.d-smal { max-width: 34rem; }

/* --- Startsidan ------------------------------------------------------------------------- */
.d-form { max-width: 30rem; margin-top: 1.25rem; }
.d-namn { display: grid; grid-template-columns: 1fr; gap: 0 1rem; }
@media (min-width: 30rem) { .d-namn { grid-template-columns: 1fr 1fr; } }
button.d-stor, .knapp.d-stor { min-height: 52px; padding: .65rem 1.4rem; font-size: 1.05rem; color: var(--d-pa-petrol); background: var(--d-petrol); border-color: var(--d-petrol); }

/* --- Stegräls: en sekvens, därför numrerad. Bara steget du står på lyser. -------------- */
.d-rals { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .5rem; margin: 0; padding: 0; }
.d-rals li { display: flex; flex-direction: column; gap: .3rem; font-size: .95rem; color: var(--d-dampad); }
.d-rals li::before { content: ""; display: block; height: 4px; border-radius: 2px; background: var(--d-kant); }
.d-rals li.klar::before { background: var(--d-petrol); }
.d-rals li.nu::before { background: var(--d-hivis); height: 6px; margin-bottom: -2px; }
.d-nr { display: inline-flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; border-radius: 50%;
  font-weight: 800; font-variant-numeric: tabular-nums; border: 2px solid var(--d-kant); color: var(--d-dampad); background: var(--d-bg); }
.d-rals li.klar .d-nr { color: var(--d-pa-petrol); background: var(--d-petrol); border-color: var(--d-petrol); }
.d-rals li.nu .d-nr { color: var(--d-pa-hivis); background: var(--d-hivis); border-color: var(--d-hivis); }
.d-rals li.nu .d-stegnamn { color: var(--d-text); background: var(--d-bg); font-weight: 700; }

.d-steg { scroll-margin-top: 1rem; }
.d-nasta { margin-top: 1.25rem; }
.d-nasta button[disabled] { color: var(--d-dampad); background: var(--d-bubbla-in); border-color: var(--d-kant); cursor: not-allowed; }

/* --- Telefonen -------------------------------------------------------------------------- */
.telefon { width: 100%; max-width: 22rem; margin: 0 auto; scroll-margin-top: 1rem; }
.t-skal { background: var(--d-natt); border-radius: 2.6rem; padding: .7rem; box-shadow: 0 1px 0 #ffffff inset, 0 18px 40px -18px #1d2832; }
.t-hogtalare { width: 4.5rem; height: .35rem; margin: .1rem auto .55rem; border-radius: 1rem; background: #3a4752; }
.t-skarm { background: var(--d-yta); border-radius: 2rem; overflow: hidden; display: flex; flex-direction: column; height: min(36rem, 72vh); min-height: 24rem; }
.t-huvud { display: flex; flex-direction: column; align-items: center; gap: .15rem; padding: .7rem 1rem .6rem; border-bottom: 1px solid var(--d-bubbla-in); }
.t-avatar { display: inline-flex; align-items: center; justify-content: center; width: 2.4rem; height: 2.4rem; border-radius: 50%;
  color: var(--d-pa-petrol); background: var(--d-petrol); font-weight: 800; }
.t-avsandare { font-weight: 700; font-size: .95rem; }
.t-trad { list-style: none; margin: 0; padding: .9rem .8rem; flex: 1 1 auto; overflow-y: auto; display: flex; flex-direction: column; gap: .55rem; overscroll-behavior: contain; }
.bubbla { display: flex; flex-direction: column; max-width: 82%; }
.bubbla p { margin: 0; padding: .55rem .85rem; border-radius: 1.15rem; line-height: 1.38; white-space: pre-wrap; overflow-wrap: anywhere; }
.bubbla.in { align-self: flex-start; align-items: flex-start; }
.bubbla.in p { color: var(--d-text); background: var(--d-bubbla-in); border-bottom-left-radius: .3rem; }
.bubbla.ut { align-self: flex-end; align-items: flex-end; }
.bubbla.ut p { color: var(--d-pa-petrol); background: var(--d-petrol); border-bottom-right-radius: .3rem; }
.t-tid { font-size: .8rem; color: var(--d-tid); background: var(--d-yta); margin: .2rem .4rem 0; font-variant-numeric: tabular-nums; }
.t-status { font-weight: 600; }
.t-tom { margin: auto; text-align: center; color: var(--d-tid); background: var(--d-yta); max-width: 14rem; }
.t-skriver { flex-direction: row; gap: .3rem; padding: .8rem .9rem; border-radius: 1.15rem; border-bottom-left-radius: .3rem; background: var(--d-bubbla-in); }
.t-skriver span { width: .5rem; height: .5rem; border-radius: 50%; background: var(--d-tid); animation: t-prick 1.1s infinite ease-in-out; }
.t-skriver span:nth-child(2) { animation-delay: .15s; }
.t-skriver span:nth-child(3) { animation-delay: .3s; }
@keyframes t-prick { 0%, 60%, 100% { opacity: .35; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }
.bubbla.ny { animation: t-in .22s ease-out; }
@keyframes t-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .t-skriver span, .bubbla.ny { animation: none; } }

.t-skriv { display: flex; gap: .45rem; align-items: center; padding: .55rem .6rem .7rem; border-top: 1px solid var(--d-bubbla-in); }
.t-skriv input[type=text] { flex: 1 1 auto; min-width: 0; min-height: 44px; border-radius: 22px; border-color: var(--d-kant); padding: .45rem .95rem; }
.t-skriv button.t-skicka { flex: 0 0 auto; white-space: nowrap; overflow-wrap: normal; min-height: 44px; min-width: 44px; border-radius: 22px; padding: .4rem 1rem; color: var(--d-pa-petrol); background: var(--d-petrol); border-color: var(--d-petrol); }
.t-avstangd span { flex: 1 1 auto; min-height: 44px; display: flex; align-items: center; padding: 0 .95rem; border: 1px solid var(--d-kant); border-radius: 22px; color: var(--d-tid); background: var(--d-yta); }
.t-fel { margin: 0 .7rem .6rem; font-size: .9rem; color: var(--fel-text); background: var(--fel-bg); border-radius: .6rem; padding: .4rem .7rem; }
.t-not { font-size: .9rem; color: var(--d-dampad); background: var(--d-bg); text-align: center; margin: .6rem auto 0; max-width: 20rem; }

/* --- Lärarens lista (steg 3) ------------------------------------------------------------ */
.d-larare { background: var(--d-yta); border-radius: 1rem; padding: 1rem; border: 1px solid #d5d9dc; }
.d-larare h2 { margin-top: 0; }
.d-larare .lista li { border-color: #d5d9dc; }
.d-larare .lista li.d-du { border: 2px solid var(--d-petrol); }
.merke.d-merke-du { color: var(--d-pa-petrol); background: var(--d-petrol); font-size: .85rem; vertical-align: .1em; }
.d-klar { margin-top: 1rem; }

/* --- Resultat (steg 4) ------------------------------------------------------------------ */
.d-resultat { background: var(--d-yta); border-radius: 1rem; padding: 1.25rem; border: 1px solid #d5d9dc; }
.d-resultat h2 { margin-top: 0; }
.d-snitt { display: flex; align-items: baseline; flex-wrap: wrap; gap: .25rem .75rem; margin: .25rem 0 .75rem; }
.d-snitt-tal { font-size: 3.5rem; line-height: 1; font-weight: 800; letter-spacing: -.03em; font-variant-numeric: tabular-nums; color: var(--d-text); background: var(--d-yta); }
.d-snitt-text { color: var(--d-dampad); background: var(--d-yta); }
.d-eget { color: var(--d-text); background: var(--d-citat-bg); border-radius: .6rem; padding: .5rem .8rem; }
.d-kommentarer { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: .6rem; }
.d-kommentarer li { display: flex; gap: .7rem; align-items: flex-start; padding: .6rem 0; border-top: 1px solid #d5d9dc; }
.d-kommentarer q { font-weight: 400; }
.d-betyg { flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; border-radius: .5rem;
  font-weight: 800; color: var(--d-pa-petrol); background: var(--d-petrol); }

/* Smal skärm: stegnamnen bryts bara mellan stavelser, och sidhuvudet håller sig på en rad. */
.d-stegnamn { overflow-wrap: normal; hyphens: auto; }
@media (max-width: 30rem) {
  .d-rals li { font-size: .85rem; }
  .d-undertitel { display: none; }
  .d-inre { justify-content: space-between; }
}