/* Practice pages: 1 z 10, Zadania projektowe, Grupy i klasy.
   One card, button and field system shared by all three. */
.practice-page { width: min(calc(100% - 48px), 1080px); margin: 0 auto; padding: 56px 0 96px; }
.practice-hero { max-width: 720px; margin-bottom: 36px; }
.practice-eyebrow { margin: 0 0 14px; color: var(--app-muted); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.practice-hero h1 { margin: 0; color: var(--app-ink); font-size: clamp(40px, 5vw, 64px); font-weight: 690; line-height: 1; letter-spacing: -.055em; }
.practice-lead { margin: 20px 0 0; color: var(--app-muted); font-size: 16px; line-height: 1.7; }
.practice-note { margin: 12px 0 0; color: var(--app-muted-light); font-size: 13px; line-height: 1.6; }

.practice-card { padding: 28px; border: 1px solid var(--app-line); border-radius: var(--app-radius); background: var(--app-paper); box-shadow: var(--app-shadow-sm); }
.practice-card h2 { margin: 0; color: var(--app-ink); font-size: 22px; font-weight: 700; letter-spacing: -.02em; }
:where(.practice-card) > p { margin: 10px 0 0; color: var(--app-muted); font-size: 14px; line-height: 1.65; }
.practice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; align-items: stretch; }
.practice-grid > .practice-card { display: flex; flex-direction: column; }
.practice-grid.is-single { grid-template-columns: minmax(0, 1fr); }
.practice-stack { display: grid; gap: 16px; }
.practice-section-title { margin: 40px 0 14px; color: var(--app-ink); font-size: 18px; font-weight: 700; }

.practice-button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0 20px; border: 1px solid var(--app-ink); border-radius: 11px; background: var(--app-ink); color: #fff; font: inherit; font-size: 14px; font-weight: 700; text-decoration: none; cursor: pointer; transition: background var(--app-motion-fast) var(--app-ease), transform var(--app-motion-spring) var(--app-spring); }
.practice-button:hover:not(:disabled) { background: #2a2a28; transform: translateY(-1px); }
.practice-button:disabled { opacity: .55; cursor: default; }
.practice-button-secondary { border-color: var(--app-line-strong); background: #fff; color: var(--app-ink); }
.practice-button-secondary:hover:not(:disabled) { background: #f7f7f5; }
.practice-button-quiet { min-height: 36px; padding: 0 12px; border-color: transparent; background: transparent; color: var(--app-muted); font-weight: 650; }
.practice-button-quiet:hover:not(:disabled) { background: var(--app-paper-soft); color: var(--app-ink); transform: none; }
.practice-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 24px; }
.practice-card .practice-actions:last-child { margin-top: auto; padding-top: 24px; }

.practice-field { display: grid; gap: 8px; margin-top: 18px; color: var(--app-ink); font-size: 13px; font-weight: 700; }
.practice-field small { color: var(--app-muted); font-weight: 560; }
.practice-field input,
.practice-field textarea { width: 100%; box-sizing: border-box; min-height: 48px; padding: 12px 14px; border: 1px solid var(--app-line-strong); border-radius: 11px; background: #fff; color: var(--app-ink); font: inherit; font-size: 15px; font-weight: 500; }
.practice-field textarea { min-height: 260px; line-height: 1.6; resize: vertical; }
.practice-field input:focus,
.practice-field textarea:focus { border-color: var(--app-ink); outline: 2px solid rgba(5, 5, 5, .08); }
.practice-grid.is-single .practice-field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 16px; }
.practice-check { display: grid; grid-template-columns: 20px 1fr; gap: 10px; margin-top: 16px; color: var(--app-muted); font-size: 13px; line-height: 1.55; }
.practice-check input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--app-ink); }
.practice-status { min-height: 20px; margin: 12px 0 0; color: var(--app-muted); font-size: 13px; }
.practice-status.is-error { color: var(--app-danger); }
.practice-status:empty { display: none; }

.practice-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.practice-chips li { padding: 5px 10px; border-radius: 999px; background: var(--app-paper-soft); color: var(--app-ink); font-size: 12px; font-weight: 650; }
.practice-empty { margin: 0; padding: 20px; border: 1px dashed var(--app-line-strong); border-radius: 12px; color: var(--app-muted); font-size: 14px; text-align: center; }

/* 1 z 10 ------------------------------------------------------------------ */
.oot-card { max-width: 760px; }
/* Game on: only the card, centered on the screen, with a steady size from question to question. */
.oot-focus .practice-hero,
.oot-focus .site-footer { display: none; }
.oot-page { min-height: calc(100svh - 60px); display: grid; align-content: center; justify-items: center; padding: 24px 0; box-sizing: border-box; }
.oot-page .practice-hero { margin: 0 auto 28px; text-align: center; }
.oot-page .practice-lead { text-wrap: balance; }
.oot-page .oot-card { width: 100%; }
.oot-card:not(.is-ready) .practice-actions { visibility: hidden; }
.oot-card > h2,
.oot-card > .practice-note { text-align: center; }
.oot-card > .practice-actions { margin-top: 20px; }
.oot-start { width: 100%; min-height: 52px; }
.oot-focus .oot-card { width: 100%; min-height: min(640px, calc(100svh - 118px)); display: flex; flex-direction: column; }
.oot-rules { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 24px 0 0; padding: 0; list-style: none; }
.oot-rules li { padding: 16px; border-radius: 12px; background: var(--app-paper-soft); }
.oot-rules strong { display: block; color: var(--app-ink); font-size: 24px; letter-spacing: -.03em; }
.oot-rules span { display: block; margin-top: 4px; color: var(--app-muted); font-size: 13px; line-height: 1.45; }
.oot-status { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.oot-lives { display: flex; gap: 6px; }
.oot-life { width: 14px; height: 14px; border-radius: 50%; background: #050505; transition: background var(--app-motion-base) var(--app-ease), transform var(--app-motion-base) var(--app-ease); }
.oot-life.is-lost { background: var(--app-line-strong); transform: scale(.8); }
.oot-score { color: var(--app-ink); font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; }
.oot-clock { height: 4px; margin-top: 16px; overflow: hidden; border-radius: 999px; background: var(--app-paper-soft); }
.oot-clock span { display: block; height: 100%; border-radius: inherit; background: var(--app-ink); transform-origin: left; }
.oot-clock.is-low span { background: var(--app-danger); }
.oot-meta { display: flex; justify-content: space-between; margin-top: 10px; color: var(--app-muted); font-size: 12px; font-weight: 650; font-variant-numeric: tabular-nums; }
.oot-question { margin: 20px 0 0; color: var(--app-ink); font-size: clamp(20px, 2.4vw, 26px); font-weight: 680; line-height: 1.3; letter-spacing: -.02em; }
.oot-answers { display: grid; gap: 8px; margin-top: 20px; }
.oot-foot { margin-top: auto; padding-top: 16px; }
.oot-hint { margin: 0; color: var(--app-muted-light); font-size: 12px; text-align: center; }
@media (hover: none) { .oot-hint { display: none; } }
.oot-foot .oot-feedback { margin-top: 0; }
.oot-foot .practice-actions { margin-top: 10px; }
.oot-foot .practice-status { margin-top: 10px; }
.oot-next { width: 100%; min-height: 52px; }
.oot-answers button { min-height: 52px; display: grid; grid-template-columns: 32px 1fr; align-items: center; gap: 12px; padding: 10px 14px; border: 1px solid var(--app-line-strong); border-radius: 12px; background: #fff; color: var(--app-ink); font: inherit; font-size: 15px; font-weight: 560; text-align: left; cursor: pointer; }
.oot-answers button:hover:not(:disabled) { border-color: var(--app-ink); }
.oot-answers button strong { font-weight: 560; }
.daily-card .oot-answers button strong { font-weight: 440; }
.daily-card .oot-answers button.is-correct strong,
.daily-card .oot-answers button.is-wrong strong { font-weight: 500; }
.oot-answers button span { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 8px; background: var(--app-paper-soft); font-size: 13px; font-weight: 800; text-transform: uppercase; }
/* Same green and red as the test screen; inset ring keeps the 1px geometry. */
.oot-answers button.is-correct { border-color: #159447; background: #c9f7dc; color: #075c2a; box-shadow: inset 0 0 0 1px #159447; }
.oot-answers button.is-correct span { background: #087a34; color: #fff; }
.oot-answers button.is-wrong { border-color: #dc2626; background: #ffd7d7; color: #8f1111; box-shadow: inset 0 0 0 1px #dc2626; }
.oot-answers button.is-wrong span { background: #c81e1e; color: #fff; }
.oot-answers button.is-pending { border-color: var(--app-ink); box-shadow: inset 0 0 0 1px var(--app-ink); }
.oot-answers button:disabled { cursor: default; }
.oot-feedback { margin-top: 18px; padding: 14px 16px; border-radius: 12px; background: var(--app-paper-soft); color: var(--app-ink); font-size: 14px; line-height: 1.6; }
.oot-feedback strong { display: block; margin-bottom: 4px; }
.oot-result { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.oot-result .practice-eyebrow { margin: 0; }
.oot-result-score { margin: 16px 0 0; color: var(--app-ink); font-size: 72px; font-weight: 700; line-height: 1; letter-spacing: -.05em; }
.oot-result .practice-actions { width: min(100%, 320px); flex-direction: column; align-items: stretch; margin-top: 32px; }
.oot-result .practice-button-quiet { min-height: 44px; }

/* Zadania projektowe ----------------------------------------------------- */
.pt-layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 16px; align-items: start; }
.pt-list { display: grid; gap: 8px; }
.pt-list button { display: grid; gap: 3px; padding: 14px 16px; border: 1px solid var(--app-line); border-radius: 12px; background: #fff; color: var(--app-ink); font: inherit; text-align: left; cursor: pointer; }
.pt-list button:hover { border-color: var(--app-line-strong); }
.pt-list button[aria-pressed="true"] { border-color: var(--app-ink); box-shadow: inset 0 0 0 1px var(--app-ink); }
.pt-list strong { font-size: 14px; font-weight: 700; }
.pt-list small { color: var(--app-muted); font-size: 12px; font-weight: 650; }
.pt-context { margin: 14px 0 0; color: var(--app-ink); font-size: 15px; line-height: 1.7; }
.pt-tasks { margin: 18px 0 0; padding-left: 20px; color: var(--app-ink); font-size: 14px; line-height: 1.65; }
.pt-tasks li + li { margin-top: 6px; }
.pt-concepts { margin-top: 18px; }
.pt-concepts > span { display: block; margin-bottom: 8px; color: var(--app-muted); font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.pt-counter { justify-self: end; color: var(--app-muted); font-size: 12px; font-weight: 650; font-variant-numeric: tabular-nums; }
.pt-counter.is-short { color: var(--app-danger); }
.pt-result,
#groupDashboard { margin-top: 16px; scroll-margin-top: 96px; }
.pt-total { display: flex; align-items: baseline; gap: 10px; }
.pt-total strong { color: var(--app-ink); font-size: 48px; font-weight: 700; letter-spacing: -.04em; }
.pt-total span { color: var(--app-muted); font-size: 15px; font-weight: 650; }
.pt-criteria { display: grid; gap: 14px; margin: 22px 0 0; padding: 0; list-style: none; }
.pt-criterion-head { display: flex; justify-content: space-between; gap: 12px; color: var(--app-ink); font-size: 14px; font-weight: 700; }
.pt-bar { height: 6px; margin-top: 8px; overflow: hidden; border-radius: 999px; background: var(--app-paper-soft); }
.pt-bar span { display: block; height: 100%; border-radius: inherit; background: var(--app-ink); }
.pt-criteria p { margin: 8px 0 0; color: var(--app-muted); font-size: 13px; line-height: 1.6; }
.pt-feedback { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 24px; }
.pt-feedback h3 { margin: 0 0 8px; color: var(--app-ink); font-size: 14px; }
.pt-feedback ul { margin: 0; padding-left: 18px; color: var(--app-ink); font-size: 14px; line-height: 1.6; }
.pt-summary { margin: 22px 0 0; padding-top: 18px; border-top: 1px solid var(--app-line); color: var(--app-ink); font-size: 14px; line-height: 1.7; }

/* Grupy i klasy ---------------------------------------------------------- */
.group-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 12px 16px; padding: 18px 0; border-bottom: 1px solid var(--app-line); }
.group-row:first-child { padding-top: 0; }
.group-row:last-child { padding-bottom: 0; border-bottom: 0; }
.group-row strong { display: block; color: var(--app-ink); font-size: 16px; }
.group-row small { display: block; margin-top: 4px; color: var(--app-muted); font-size: 13px; }
.group-code { display: inline-block; margin-left: 6px; padding: 2px 8px; border-radius: 6px; background: var(--app-paper-soft); color: var(--app-ink); font-weight: 800; letter-spacing: .12em; }
.group-row-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; }
.group-table-wrap { margin-top: 18px; overflow-x: auto; }
.group-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.group-table th { padding: 0 12px 10px 0; color: var(--app-muted); font-size: 12px; font-weight: 800; letter-spacing: .06em; text-align: left; text-transform: uppercase; white-space: nowrap; }
.group-table td { padding: 12px 12px 12px 0; border-top: 1px solid var(--app-line); color: var(--app-ink); font-variant-numeric: tabular-nums; white-space: nowrap; }
.group-table td:first-child { font-weight: 700; white-space: normal; }
.group-table td:last-child,
.group-table th:last-child { padding-right: 0; text-align: right; }

@media (max-width: 820px) {
  .practice-grid.is-single .practice-field-row { grid-template-columns: 1fr; }
  .practice-grid,
  .pt-layout,
  .pt-feedback { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .practice-page { width: calc(100% - 32px); padding: 36px 0 64px; }
  .practice-card { padding: 22px 18px; }
  .oot-rules { grid-template-columns: 1fr; gap: 8px; margin-top: 20px; }
  .oot-rules li { display: grid; grid-template-columns: 64px minmax(0, 1fr); align-items: center; gap: 12px; padding: 12px 14px; }
  .oot-rules span { margin-top: 0; }
  .oot-focus .oot-card { padding: 18px 16px; }
  .oot-question { margin-top: 16px; font-size: 19px; }
  .oot-answers { margin-top: 16px; }
  .oot-answers button { min-height: 48px; padding: 8px 12px; font-size: 14px; }
  .oot-feedback { padding: 12px 14px; font-size: 13px; line-height: 1.55; }
  .oot-next,
  .oot-start { min-height: 48px; }
  .practice-actions .practice-button { flex: 1 1 100%; }
  .oot-result .practice-actions .practice-button { flex: none; }
  .oot-page { padding: 28px 0 20px; }
  .group-row { grid-template-columns: 1fr; }
  .group-row-actions { justify-content: flex-start; }
  .group-row-actions .practice-button-quiet:first-child { margin-left: -12px; }
}

/* Teacher access: a quiet line below the student flow; the application opens as a popup. */
.teacher-access { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--app-line); }
.teacher-access-prompt,
.teacher-access-state { margin: 0; color: var(--app-muted); font-size: 14px; line-height: 1.6; }
.teacher-access-link { padding: 0; border: 0; background: none; color: var(--app-ink); font: inherit; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.teacher-access-link:disabled { opacity: .55; cursor: default; }