/* ============================================
   MATURA IT — design tokens
   Motyw: zeszyt programisty (kratka + atrament + edytor kodu)
   ============================================ */

:root {
  /* Kolory */
  --paper: #FAFAF8;
  --paper-raised: #FFFFFF;
  --grid-line: #DCE6F0;
  --ink: #1B2A4A;
  --ink-soft: #4A5A78;
  --accent: #2F6FED;
  --accent-dim: #E8F0FE;
  --correction: #E85D4E;
  --correction-dim: #FDEBE8;
  --success: #2E9B6F;
  --success-dim: #E7F5EF;
  --border: #C9D6E4;

  /* Typografia */
  --font-mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, monospace;
  --font-sans: "IBM Plex Sans", "Inter", system-ui, sans-serif;

  --radius: 6px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
  line-height: 1.55;
  min-height: 100vh;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

img { max-width: 100%; }

/* ---------- Pasek zakładek (jak w edytorze kodu) ---------- */

.tabbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: flex-end;
  gap: 2px;
  padding: 12px 16px 0;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}

.tabbar__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink-soft);
  white-space: nowrap;
}

.tabbar__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex: none; }

.tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  white-space: nowrap;
}

.tab:hover { color: var(--ink); text-decoration: none; background: var(--accent-dim); }

.tab[aria-current="page"] {
  color: var(--ink);
  background: var(--paper-raised);
  border-color: var(--border);
  font-weight: 600;
}

.tab__ext { color: var(--ink-soft); opacity: 0.6; }

/* ---------- Layout ogólny ---------- */

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-head {
  padding: 56px 0 28px;
  border-bottom: 1px dashed var(--border);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.eyebrow::before { content: "// "; opacity: 0.6; }

h1 {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  margin: 8px 0 10px;
  line-height: 1.15;
}

h2 {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 0 6px;
}

.lede {
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 62ch;
}

section { padding: 40px 0; }

/* ---------- Kafelki działów (strona główna) ---------- */

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.card {
  display: block;
  background: var(--paper-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  text-decoration: none;
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 8px 20px -12px rgba(27, 42, 74, 0.25);
}

.card__tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 2px 8px;
  border-radius: 999px;
  display: inline-block;
  margin-bottom: 10px;
}

.card h3 {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  margin: 0 0 6px;
  color: var(--ink);
}

.card p {
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin: 0;
}

.card__progress {
  margin-top: 14px;
  height: 4px;
  background: var(--grid-line);
  border-radius: 2px;
  overflow: hidden;
}

.card__progress span {
  display: block;
  height: 100%;
  background: var(--success);
  width: var(--pct, 0%);
}

.card__meta {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
}

/* ---------- Lista zadań maturalnych ---------- */

.task-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 8px;
}

.pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--paper-raised);
  color: var(--ink-soft);
  cursor: pointer;
}

.pill[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.task {
  background: var(--paper-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 14px;
  overflow: hidden;
}

.task__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
  color: inherit;
}

.task__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-weight: 600;
}

.task__id {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
}

.task__status {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 2px 9px;
  border-radius: 999px;
  flex: none;
}

.task__status--done { background: var(--success-dim); color: var(--success); }
.task__status--todo { background: var(--correction-dim); color: var(--correction); }

.task__chevron { color: var(--ink-soft); transition: transform 0.15s ease; flex: none; }
.task[open] .task__chevron { transform: rotate(90deg); }

.task__body {
  padding: 0 18px 20px;
  border-top: 1px dashed var(--border);
}

.task__body p:first-child { margin-top: 16px; }

.task__video {
  margin-top: 14px;
  aspect-ratio: 16/9;
  background: var(--ink);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: center;
  padding: 20px;
}

pre {
  background: var(--ink);
  color: #E8EEF9;
  padding: 16px 18px;
  border-radius: var(--radius);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin: 14px 0 0;
}

code {
  font-family: var(--font-mono);
  background: var(--accent-dim);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

pre code { background: none; padding: 0; }

/* ---------- Placeholder "w przygotowaniu" ---------- */

.empty-state {
  margin-top: 24px;
  padding: 32px 24px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: var(--paper-raised);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.empty-state strong { color: var(--ink); }

/* ---------- Stopka ---------- */

footer {
  margin-top: 60px;
  padding: 28px 0 60px;
  border-top: 1px dashed var(--border);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

/* ============================================
   ZADANIA — przeglądarka matur (lista / działy / zadania)
   ============================================ */

.filters {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.filters__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.search-input {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--paper-raised);
  color: var(--ink);
  flex: 1;
  min-width: 200px;
}

.search-input::placeholder { color: var(--ink-soft); opacity: 0.7; }

.pill { transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease; }

.exam-list {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.exam-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  background: var(--paper-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: inherit;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.exam-row:hover { border-color: var(--accent); background: var(--accent-dim); text-decoration: none; }

.exam-row__label { font-weight: 600; }

.exam-row__badges { display: flex; gap: 6px; flex: none; flex-wrap: wrap; justify-content: flex-end; }

.badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--grid-line);
  color: var(--ink-soft);
  white-space: nowrap;
}

.badge--dodatkowa { background: var(--correction-dim); color: var(--correction); }
.badge--probna { background: var(--success-dim); color: var(--success); }
.badge--pokazowy { background: var(--accent-dim); color: var(--accent); }
.badge--formula { background: var(--grid-line); color: var(--ink-soft); }

.crumb {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 16px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.crumb:hover { color: var(--accent); text-decoration: none; }

.dzial-card { text-align: left; width: 100%; font-family: var(--font-sans); font-size: inherit; cursor: pointer; }

.task2 {
  background: var(--paper-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 16px;
  padding: 20px 22px;
}

.task2__id {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 700;
  display: block;
  margin-bottom: 10px;
}

.task2__content { white-space: normal; }

.task2__content img {
  display: block;
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  max-width: 100%;
}

.task2 details {
  margin-top: 12px;
  border-top: 1px dashed var(--border);
  padding-top: 12px;
}

.task2 summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.task2 summary::-webkit-details-marker { display: none; }
.task2 summary::before { content: "▸"; color: var(--accent); display: inline-block; transition: transform 0.15s ease; }
.task2 details[open] summary::before { transform: rotate(90deg); }

.task2 details .details-body { margin-top: 10px; white-space: pre-wrap; overflow-wrap: anywhere; word-break: break-word; }

.empty-state.small { padding: 20px 22px; font-size: 0.85rem; margin-top: 18px; }

.task2--intro {
  border-style: dashed;
  background: transparent;
  box-shadow: none;
}

.task2__headerbar {
  display: flex;
  align-items: baseline;
  gap: 10px;
  background: var(--accent-dim);
  color: var(--ink);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 9px 14px;
  border-radius: var(--radius);
  margin-bottom: 14px;
}

.task2__points {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.task2__content p { margin: 0 0 10px; }
.task2__content p:last-child { margin-bottom: 0; }

.task2__example {
  margin-top: 12px;
  padding: 12px 16px;
  border-left: 3px solid var(--accent);
  background: var(--paper);
  border-radius: 0 4px 4px 0;
  font-size: 0.92rem;
}

.task2__example .example-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: 6px;
}

.task2__content ul { margin: 0 0 10px; padding-left: 20px; }
.task2__content li { margin-bottom: 4px; }

.ascii-table {
  margin: 12px 0;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.ascii-table th, .ascii-table td {
  border: 1px solid var(--border);
  padding: 6px 16px;
  text-align: left;
}

.ascii-table th {
  background: var(--accent-dim);
  color: var(--ink);
  font-weight: 700;
}

.ascii-table td { background: var(--paper-raised); color: var(--ink); }

.formula-box {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  margin: 14px 0;
  padding: 12px;
  background: var(--paper);
  border: 1px dashed var(--border);
  border-radius: 4px;
}

/* ---------- Zwijalny nagłówek całego zadania ---------- */

.task-wrap {
  margin-top: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--paper-raised);
  overflow: hidden;
}

.task-wrap__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
}

.task-wrap__head::-webkit-details-marker { display: none; }

.task-wrap__chevron {
  color: var(--accent);
  transition: transform 0.15s ease;
  flex: none;
}

.task-wrap[open] .task-wrap__chevron { transform: rotate(90deg); }

.task-wrap__body {
  padding: 4px 20px 20px;
  border-top: 1px dashed var(--border);
}

.task-wrap__body .task2:first-child,
.task-wrap__body .task-files:first-child { margin-top: 16px; }

/* ---------- Pliki do pobrania ---------- */

.task-files {
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--success-dim);
}

.task-files__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--success);
  margin-bottom: 8px;
}

.task-files ul { margin: 0; padding-left: 20px; }
.task-files li { margin-bottom: 3px; }
.task-files a { font-family: var(--font-mono); font-size: 0.88rem; }