body.student-dashboard-page .start-stage {
  grid-template-columns: 58px minmax(0, 1fr) minmax(220px, 270px);
}

body.student-dashboard-page .start-decision {
  background:
    linear-gradient(90deg, transparent 0 52px, rgba(94, 73, 173, .15) 52px 53px, transparent 53px),
    repeating-linear-gradient(0deg, transparent 0 36px, rgba(23, 18, 24, .028) 36px 37px),
    var(--paper);
}

body.student-dashboard-page .start-decision::after {
  right: 26px;
  bottom: 24px;
  width: 54px;
  height: 2px;
  border: 0;
  background: linear-gradient(90deg, var(--notebook-lime) 0 8px, var(--notebook-ink) 8px 54px);
  opacity: .62;
  transform: rotate(-11deg);
}

body.student-dashboard-page .start-register {
  display: flex;
  flex-direction: column;
  padding: 30px 20px 20px;
  background:
    linear-gradient(90deg, rgba(77, 65, 109, .18) 0 2px, transparent 2px),
    linear-gradient(180deg, var(--przemycie), transparent 42%),
    var(--paper-soft);
}

body.student-dashboard-page .start-register::before {
  top: 24px;
  right: -4px;
  width: 4px;
  height: 36px;
  padding: 0;
  border: 0;
  background: var(--notebook-lime);
  content: "";
  writing-mode: initial;
  box-shadow: none;
}

body.student-dashboard-page .start-register > header {
  position: relative;
  gap: 8px;
  padding-bottom: 20px;
  border-bottom: 0;
}

body.student-dashboard-page .start-register > header::after {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 42px;
  height: 1px;
  background: var(--notebook-ink);
  content: "";
  opacity: .6;
}

body.student-dashboard-page .start-register > header strong {
  max-width: 20ch;
  font-size: .98rem;
  line-height: 1.25;
}

body.student-dashboard-page .register-score {
  padding: 24px 0 20px;
  border-bottom: 0;
}

body.student-dashboard-page .register-score > span {
  font-size: clamp(3.7rem, 5vw, 4.6rem);
  font-weight: 500;
  line-height: .82;
}

body.student-dashboard-page .register-score p {
  margin-top: 12px;
  letter-spacing: .09em;
}

body.student-dashboard-page .trace-meter,
body.student-dashboard-page .trace-meter-empty {
  height: 2px;
  margin-top: 16px;
  background: rgba(23, 18, 24, .16);
}

body.student-dashboard-page .register-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid rgba(23, 18, 24, .24);
  border-bottom: 1px solid rgba(23, 18, 24, .24);
}

body.student-dashboard-page .register-metrics div {
  display: grid;
  grid-template-rows: auto auto;
  gap: 6px;
  min-width: 0;
  padding: 14px 8px 13px;
  border-right: 1px solid rgba(23, 18, 24, .16);
  border-bottom: 0;
}

body.student-dashboard-page .register-metrics div:first-child { padding-left: 0; }
body.student-dashboard-page .register-metrics div:last-child {
  padding-right: 0;
  border-right: 0;
}

body.student-dashboard-page .register-metrics dt {
  grid-row: 2;
  overflow: hidden;
  font-size: var(--pismo-mikro);
  letter-spacing: .045em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body.student-dashboard-page .register-metrics dd {
  grid-row: 1;
  font-size: .78rem;
  font-weight: 800;
}

body.student-dashboard-page .profile-switcher {
  margin-top: auto;
  padding-top: 24px;
}

body.student-dashboard-page .profile-control {
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

body.student-dashboard-page .profile-control select {
  min-width: 0;
  border: 0;
  border-bottom: 1px solid rgba(23, 18, 24, .54);
  background: transparent;
}

body.student-dashboard-page .profile-control .secondary-action {
  min-height: 42px;
  padding-inline: 8px;
  border: 0;
  border-bottom: 1px solid var(--linia-mocna);
  background: transparent;
  box-shadow: none;
}

body.student-dashboard-page .register-link {
  width: auto;
  align-self: flex-start;
  margin-top: 14px;
  padding: 8px 0 6px;
  border: 0;
  border-bottom: 1px solid rgba(23, 18, 24, .72);
  background: transparent;
  box-shadow: none;
}

/* Bloki o JASNYM tle musza jawnie wrocic do ciemnego tekstu: strona dziedziczy
   jasny kolor pisma po ciemnym tle powloki. Pominiecie ktoregokolwiek z nich
   daje tekst jasny na jasnym - `.archive-next` wypadla z tej listy i jej
   naglowek mial kontrast 1,10 (zmierzone), czyli byl niewidoczny. */
.start-decision,
.start-register,
.problem-main,
.archive-title,
.archive-score,
.archive-next {
  color: var(--ink);
}

.start-decision .scene-kicker,
.problem-main .scene-kicker,
.archive-title .scene-kicker {
  color: var(--blue);
}

body .chapter-copy h1 {
  width: 100%;
  max-width: 100%;
  overflow-wrap: break-word;
  hyphens: auto;
}

@media (max-width: 980px) {
  .site-header { grid-template-columns: auto minmax(0, 1fr); }
  .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    overflow-x: auto;
  }
  .logout-form { justify-self: end; }

  body.student-dashboard-page .start-stage {
    grid-template-columns: 50px minmax(0, 1fr) minmax(205px, 245px);
  }
  .chapter-stage,
  .archive-stage,
  .auth-stage { grid-template-columns: 58px minmax(0, 1fr); }

  .chapter-register,
  .archive-score,
  .auth-card {
    grid-column: 1 / -1;
    border-top: 1px solid var(--linia-mocna);
    border-left: 0;
  }
  .chapter-register,
  .archive-score {
    display: grid;
    grid-template-columns: minmax(180px, .7fr) minmax(0, 1fr);
    gap: 24px;
  }
  .chapter-register > header,
  .archive-score > header { grid-column: 1 / -1; }
  .register-score { padding-top: 0; }
  .profile-switcher,
  .register-link { align-self: end; }

  .problem-stage { grid-template-columns: 150px minmax(0, 1fr); }
  .index-heading { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .site-header { gap: 8px 18px; padding-inline: 14px; }
  body .site-nav {
    width: calc(100vw - 16px);
    min-width: 0;
    max-width: calc(100vw - 16px);
  }
  .site-nav { gap: 18px; }
  .text-action span { display: none; }

  .page-shell,
  .solver-page,
  .board-page,
  .auth-page { width: calc(100% - 20px); margin-top: 18px; }
  .site-footer { width: calc(100% - 20px); }

  body.student-dashboard-page .start-stage {
    display: grid;
    grid-template-columns: 14px minmax(0, 1fr);
    min-height: 0;
  }
  body.student-dashboard-page .start-art {
    display: flex;
    grid-row: 1 / 3;
    padding: 0;
    border-right: 1px solid var(--linia-mocna);
  }
  body.student-dashboard-page .start-art-frame,
  body.student-dashboard-page .start-art-index { display: none; }
  body.student-dashboard-page .start-decision,
  body.student-dashboard-page .start-register { grid-column: 2; }
  body.student-dashboard-page .start-register {
    padding: 22px 16px 18px;
    border-top: 1px solid var(--linia-mocna);
    border-left: 0;
  }
  body.student-dashboard-page .start-register::before {
    top: 20px;
    right: -4px;
    width: 4px;
    height: 32px;
  }
  body.student-dashboard-page .register-score { padding-block: 22px 18px; }
  body.student-dashboard-page .register-metrics div { padding-block: 12px; }
  body.student-dashboard-page .profile-switcher { margin-top: 22px; padding-top: 0; }

  .chapter-stage,
  .archive-stage,
  .auth-stage { display: block; min-height: 0; }
  .chapter-number,
  .archive-mark,
  .auth-art { display: none; }

  .start-decision,
  .chapter-copy,
  .archive-title,
  .auth-intro,
  .problem-main {
    padding: 28px 18px 34px;
    background:
      linear-gradient(90deg, transparent 0 34px, rgba(212, 67, 47, .14) 34px 35px, transparent 35px),
      repeating-linear-gradient(0deg, transparent 0 29px, rgba(23, 23, 22, .045) 29px 30px),
      var(--paper);
  }
  body.student-dashboard-page .start-decision {
    background:
      linear-gradient(90deg, transparent 0 28px, rgba(94, 73, 173, .14) 28px 29px, transparent 29px),
      repeating-linear-gradient(0deg, transparent 0 34px, rgba(23, 18, 24, .026) 34px 35px),
      var(--paper);
  }
  .start-decision h1,
  .archive-title h1,
  .auth-intro h1 { font-size: clamp(2rem, 11vw, 3.5rem); }
  body .chapter-copy h1 {
    font-size: clamp(2.8rem, 12vw, 3.5rem);
    letter-spacing: -.08em;
    overflow-wrap: normal;
    word-break: normal;
    hyphens: none;
  }

  .chapter-register,
  .archive-score { display: block; padding: 24px 18px; }
  .material-index,
  .range-index,
  .archive-index,
  .attempt-section,
  .tablice-archiwum { margin-top: 24px; }
  .index-heading { padding: 22px 18px 18px; }
  .index-heading h2 { font-size: clamp(1.8rem, 9vw, 2.7rem); }

  .material-group-head,
  .archive-group-head { grid-template-columns: 1fr; padding: 20px 18px 14px; }
  .material-group-head > div:first-child,
  .archive-group-head > div:first-child {
    min-width: 0;
    flex-wrap: wrap;
  }
  body .material-group h3,
  body .archive-group h3 {
    min-width: 0;
    max-width: 100%;
    overflow-wrap: break-word;
    hyphens: auto;
  }
  .material-group-tools { min-width: 0; justify-items: start; }
  .material-group-meta { flex-wrap: wrap; }

  .material-row,
  .range-row,
  .archive-row {
    grid-template-columns: 42px minmax(0, 1fr) auto;
    gap: 10px;
    padding: 13px 18px;
  }
  .material-row-meta,
  .range-row-meta,
  .range-row-arrow { display: none; }
  .material-row-score,
  .range-row-score,
  .archive-row-score { grid-column: 3; }
  /* Na telefonie z metadanych Spisu zostaje SAM pasek pokrycia: liczby sie nie
     mieszcza, ale "ile dzialu w ogole tkniete" czyta sie z paska bez nich. */
  .material-row { grid-template-columns: 42px minmax(0, 1fr) 44px auto; }
  .material-row-meta { display: flex; }
  .material-row-meta > span { display: none; }
  .material-row-score { grid-column: 4; }
  .range-row { grid-template-columns: 42px minmax(0, 1fr) auto; }

  .problem-stage { display: block; }
  .problem-register {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 18px;
    border-right: 0;
    border-bottom: 1px solid var(--linia-mocna);
    padding: 18px;
  }
  .problem-index { padding: 0 18px 0 0; border-right: 1px solid var(--linia-mocna); border-bottom: 0; }
  .problem-register dl {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 16px;
    margin: 0;
  }
  .problem-register dl div { padding: 0; border: 0; }
  .problem-heading { grid-template-columns: 1fr; }
  .problem-state { justify-self: start; }
  .problem-paper { padding-block: 28px 34px; }
  #brudnopis-widok { height: 360px; }

  .assessment-grid { grid-template-columns: 1fr; }
  .assessment-button { border-right: 0; border-bottom: 1px solid var(--linia-mocna); }
  .assessment-button:last-child { border-bottom: 0; }

  .attempt-entry {
    grid-template-columns: 56px minmax(0, 1fr);
    padding: 14px 18px;
  }
  .attempt-result { grid-column: 2; justify-self: start; text-align: left; }
  .archive-next { grid-template-columns: 1fr; padding: 22px 18px; }
  .archive-next .primary-action { justify-self: start; }

  .auth-card { padding: 30px 18px; }
  .tablica-scena { padding: 14px; }
  #tablica-kanwa { height: 520px; }

  .site-footer { flex-direction: column; gap: 5px; }
}

@media (max-width: 430px) {
  .brand { font-size: .76rem; }
  .site-nav a,
  .text-action { font-size: var(--pismo-mikro); }
  .start-decision { padding-right: 68px; }
  .brudnopis-narzedzia { width: 100%; }
  .brudnopis-narzedzia button,
  #sprawdz-model { flex: 1 1 auto; min-width: 0; }
  .problem-register dl { grid-template-columns: 1fr; }
  .problem-main { padding-inline: 16px; }
  .problem-paper { padding-right: 56px; }
  .task-paper { max-width: 100%; }
  .solution summary span:first-child { font-size: 1.3rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}