/* ===================================================================
   PUDŁO ONLINE — CSS platformy materiałów
   Rozszerza wspólny styl ZMIANOLOGICA (styles.css).
   Paleta dziedziczona: granat #1F4460, miód #E8B62C, Montserrat.
   Klasy prefiksowane .pudlo-* aby nie kolidowały z bazowym CSS.
   =================================================================== */

/* ---- Zmienne robocze (lokalne dla pudła) ---- */
:root {
  --granat: #1F4460;
  --granat-hover: #163450;
  --miod: #E8B62C;
  --miod-hover: #B68C20;
  --tekst: #1A1A1A;
  --tekst-lekki: #555;
  --border: #EEEEEE;
  --tlo-jasne: #F5F5F7;
}

/* =========== NAV — logo pudła =========== */
.pudlo-nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.pudlo-nav-brand img {
  height: 54px;
  width: auto;
}
.pudlo-nav-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--tekst-lekki);
  border-left: 1px solid #DDD;
  padding-left: 12px;
}
@media (max-width: 560px) {
  .pudlo-nav-tag { display: none; }
}

/* =========== STRONA WEJŚCIOWA =========== */
.pudlo-wejscie {
  min-height: calc(100vh - 82px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #FAFAFC 0%, #FFFFFF 100%);
  padding: 48px 24px;
}
.pudlo-wejscie-inner {
  max-width: 720px;
  text-align: center;
}
.pudlo-wejscie-logo {
  width: 180px;
  height: auto;
  margin: 0 auto 28px;
}
.pudlo-wejscie h1 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  color: var(--granat);
  margin-bottom: 18px;
  white-space: nowrap;
  text-wrap: balance;
}
/* Na węższych ekranach jedna linia się nie zmieści — pozwól łamać,
   ale równomiernie (balance), i zmniejsz font, by nie wyjechał poza ekran. */
@media (max-width: 680px) {
  .pudlo-wejscie h1 {
    white-space: normal;
    font-size: 32px;
  }
}
@media (max-width: 420px) {
  .pudlo-wejscie h1 { font-size: 27px; }
}
.pudlo-wejscie h1 .accent { color: var(--miod); }
.pudlo-wejscie-lead {
  font-size: 17px;
  color: var(--tekst-lekki);
  line-height: 1.6;
  margin-bottom: 16px;
}
.pudlo-wejscie-note {
  font-size: 14px;
  color: #888;
  background: #FCF6E6;
  border: 1px solid #F0DFA8;
  border-radius: 6px;
  padding: 14px 18px;
  margin-bottom: 36px;
  line-height: 1.55;
}
.pudlo-wejscie-note strong { color: #5C4810; }

/* Wielki przycisk „otwórz pudło” */
.pudlo-otworz {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  background: var(--granat);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 40px 72px;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  transition: transform 0.2s, background 0.2s, box-shadow 0.2s;
  box-shadow: 0 8px 28px rgba(31,68,96,0.22);
}
.pudlo-otworz:hover {
  background: var(--granat-hover);
  color: white;
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(31,68,96,0.30);
}
.pudlo-otworz i {
  width: 56px;
  height: 56px;
  color: var(--miod);
  stroke-width: 1.5;
}
.pudlo-otworz .pudlo-otworz-txt {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* =========== BREADCRUMB =========== */
.pudlo-breadcrumb {
  background: var(--tlo-jasne);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.pudlo-breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  font-size: 13px;
  color: var(--tekst-lekki);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.pudlo-breadcrumb a { color: var(--granat); font-weight: 600; }
.pudlo-breadcrumb a:hover { color: var(--granat-hover); }
.pudlo-breadcrumb .sep { color: #BBB; }
.pudlo-breadcrumb .current { color: var(--tekst); font-weight: 600; }

/* =========== NAGŁÓWEK SEKCJI STRONY =========== */
.pudlo-page-head {
  padding: 48px 0 8px;
}
.pudlo-page-head .container { max-width: 1000px; }
.pudlo-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--miod);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.pudlo-page-head h1 {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  color: var(--granat);
  margin-bottom: 12px;
}
.pudlo-page-head p {
  font-size: 16px;
  color: var(--tekst-lekki);
  line-height: 1.6;
  max-width: 720px;
}

/* =========== LISTA WIERSZY (przedmioty ORAZ pozycje w sekcji) =========== */
/* Wspólny komponent: [ikona] [nazwa + opis] [strzałka]
   Używany na poziomie 1 (przedmioty) i poziomie 3 (pozycje sekcji). */
.pudlo-lista {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 32px 0 64px;
}
.pudlo-lista .container { max-width: 1000px; }

.pudlo-wiersz {
  display: flex;
  align-items: center;
  gap: 20px;
  background: white;
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 22px 26px;
  text-decoration: none;
  transition: border-color 0.18s, transform 0.22s cubic-bezier(0.34,1.4,0.5,1), box-shadow 0.22s;
}
.pudlo-wiersz:hover {
  border-color: var(--granat);
  transform: translateX(8px);
  box-shadow: -4px 6px 22px rgba(31,68,96,0.14);
}
.pudlo-wiersz-ikona {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background: #F0F6FB;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.pudlo-wiersz:hover .pudlo-wiersz-ikona { background: var(--granat); }
.pudlo-wiersz-ikona i {
  width: 26px;
  height: 26px;
  color: var(--granat);
  stroke-width: 2;
  transition: color 0.2s;
}
.pudlo-wiersz:hover .pudlo-wiersz-ikona i { color: var(--miod); }

.pudlo-wiersz-tresc { flex: 1; min-width: 0; }
.pudlo-wiersz-nazwa {
  font-size: 16px;
  font-weight: 700;
  color: var(--granat);
  line-height: 1.35;
  margin-bottom: 4px;
}
.pudlo-wiersz-opis {
  font-size: 14px;
  color: var(--tekst-lekki);
  line-height: 1.5;
}
.pudlo-wiersz-strzalka {
  flex-shrink: 0;
  color: #CCC;
  transition: color 0.2s, transform 0.2s;
}
.pudlo-wiersz:hover .pudlo-wiersz-strzalka {
  color: var(--granat);
  transform: translateX(3px);
}
.pudlo-wiersz-strzalka i { width: 22px; height: 22px; stroke-width: 2; }

/* Znacznik typu zasobu (plik / link zewn.) — mały, po prawej przy nazwie */
.pudlo-wiersz-typ {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #999;
  background: #F5F5F7;
  border-radius: 3px;
  padding: 2px 7px;
  margin-left: 8px;
  vertical-align: middle;
}

/* =========== SIATKA 6 SEKCJI (poziom 2) =========== */
.pudlo-sekcje {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 32px 0 64px;
}
.pudlo-sekcje.container { max-width: 1000px; }
@media (max-width: 860px) {
  .pudlo-sekcje { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .pudlo-sekcje { grid-template-columns: 1fr; }
}

.pudlo-kafel {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: white;
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 28px 26px 24px;
  text-decoration: none;
  min-height: 168px;
  transition: border-color 0.18s, transform 0.22s cubic-bezier(0.34,1.4,0.5,1), box-shadow 0.22s;
  position: relative;
}
.pudlo-kafel:hover {
  border-color: var(--granat);
  transform: translateY(-7px);
  box-shadow: 0 14px 34px rgba(31,68,96,0.16);
}
.pudlo-kafel-ikona {
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  color: var(--granat);
  stroke-width: 1.75;
  transition: color 0.2s, transform 0.25s cubic-bezier(0.34,1.56,0.5,1);
}
.pudlo-kafel:hover .pudlo-kafel-ikona {
  color: var(--miod);
  transform: scale(1.12) translateY(-2px);
}
.pudlo-kafel-nazwa {
  font-size: 17px;
  font-weight: 700;
  color: var(--granat);
  line-height: 1.3;
  margin-bottom: 6px;
}
.pudlo-kafel-licznik {
  font-size: 13px;
  color: var(--tekst-lekki);
  margin-top: auto;
}
.pudlo-kafel-licznik strong { color: var(--granat); font-weight: 700; }

/* Stan nieaktywny — sekcja bez zawartości */
.pudlo-kafel.pusty {
  background: #FAFAFA;
  border-color: #EDEDED;
  border-style: dashed;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
}
.pudlo-kafel.pusty .pudlo-kafel-ikona { color: #C8C8C8; }
.pudlo-kafel.pusty .pudlo-kafel-nazwa { color: #AAA; }
.pudlo-kafel.pusty .pudlo-kafel-licznik { color: #BBB; font-style: italic; }

/* =========== STAN PUSTEJ SEKCJI (poziom 3, gdy wejście mimo wszystko) =========== */
.pudlo-empty {
  text-align: center;
  padding: 64px 24px;
  color: #999;
}
.pudlo-empty i { width: 40px; height: 40px; color: #CCC; margin-bottom: 14px; }
.pudlo-empty p { font-size: 15px; }

/* =========== BŁĄD ŁADOWANIA =========== */
.pudlo-error {
  max-width: 640px;
  margin: 80px auto;
  text-align: center;
  padding: 0 24px;
}
.pudlo-error h2 { color: var(--granat); font-size: 24px; margin-bottom: 12px; }
.pudlo-error p { color: var(--tekst-lekki); font-size: 15px; line-height: 1.6; }
.pudlo-error a { font-weight: 600; }

/* =========== STOPKA (uproszczona) =========== */
.pudlo-footer {
  background: var(--granat);
  color: rgba(255,255,255,0.75);
  padding: 32px 0;
  text-align: center;
  font-size: 13px;
  margin-top: 40px;
}
.pudlo-footer a { color: var(--miod); }
.pudlo-footer a:hover { color: #FFF; }

/* =========== DOSTĘPNOŚĆ =========== */
.pudlo-wiersz:focus-visible,
.pudlo-kafel:focus-visible,
.pudlo-otworz:focus-visible {
  outline: 3px solid var(--miod);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  .pudlo-wiersz, .pudlo-kafel, .pudlo-otworz { transition: none; }
  .pudlo-wiersz:hover, .pudlo-kafel:hover, .pudlo-otworz:hover { transform: none; }
  .pudlo-kafel:hover .pudlo-kafel-ikona { transform: none; }
}

/* ===================================================================
   ANIMACJE — lekkie, użytkowe. Wszystkie respektują reduced-motion.
   =================================================================== */

/* ---- Staggered reveal: wiersze i kafle wchodzą po kolei ---- */
@keyframes pudlo-wejscie-el {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
/* JS dodaje klasę .pudlo-anim i ustawia --i (indeks) na kontenerze pozycji */
.pudlo-anim .pudlo-wiersz,
.pudlo-anim .pudlo-kafel,
.pudlo-anim .pudlo-bib-wpis {
  opacity: 0;
  animation: pudlo-wejscie-el 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: calc(var(--i, 0) * 90ms);
}

/* ---- Skeleton (loading state) ---- */
.pudlo-skeleton {
  display: flex; flex-direction: column; gap: 14px;
  max-width: 1000px; margin: 0 auto; padding: 32px 32px 64px;
}
.pudlo-skeleton.grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
@media (max-width: 860px) { .pudlo-skeleton.grid { grid-template-columns: repeat(2,1fr);} }
@media (max-width: 520px) { .pudlo-skeleton.grid { grid-template-columns: 1fr;} }
.pudlo-skel-wiersz {
  height: 88px; border-radius: 10px;
  background: linear-gradient(100deg, #F0F0F3 30%, #F7F7F9 50%, #F0F0F3 70%);
  background-size: 200% 100%;
  animation: pudlo-shimmer 1.3s ease-in-out infinite;
}
.pudlo-skel-kafel { height: 168px; border-radius: 12px;
  background: linear-gradient(100deg, #F0F0F3 30%, #F7F7F9 50%, #F0F0F3 70%);
  background-size: 200% 100%;
  animation: pudlo-shimmer 1.3s ease-in-out infinite;
}
@keyframes pudlo-shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* ---- Animacja pudła na przycisku wejściowym ---- */
/* Ikona pudełka delikatnie „oddycha", a przy hover wieko się unosi */
.pudlo-otworz i {
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.pudlo-otworz:hover i {
  transform: translateY(-4px) scale(1.06);
}
/* Subtelne pulsowanie miodowej ikony, żeby przycisk „zapraszał" — bardzo delikatne */
@keyframes pudlo-oddech {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-3px); }
}
.pudlo-otworz:not(:hover) i {
  animation: pudlo-oddech 3.2s ease-in-out infinite;
}

/* ---- Fade osadzanego ćwiczenia w ramce ---- */
.pudlo-ramka iframe {
  opacity: 0;
  transition: opacity 0.4s ease;
}
.pudlo-ramka iframe.zaladowany { opacity: 1; }

/* ---- Reduced motion: wyłącz wszystko ---- */
@media (prefers-reduced-motion: reduce) {
  .pudlo-anim .pudlo-wiersz,
  .pudlo-anim .pudlo-kafel {
    opacity: 1; animation: none;
  }
  .pudlo-skel-wiersz, .pudlo-skel-kafel { animation: none; }
  .pudlo-otworz:not(:hover) i { animation: none; }
  .pudlo-otworz:hover i { transform: none; }
  .pudlo-ramka iframe { opacity: 1; transition: none; }
}

/* =========== SPIS BIBLIOGRAFICZNY (sekcja „literatura") =========== */
.pudlo-bib {
  list-style: none; counter-reset: bib;
  padding: 0; margin: 0;
}
.pudlo-bib-wpis {
  counter-increment: bib;
  position: relative;
  padding: 18px 22px 18px 56px;
  border-bottom: 1px solid var(--border);
}
.pudlo-bib-wpis:last-child { border-bottom: none; }
.pudlo-bib-wpis::before {
  content: counter(bib);
  position: absolute; left: 22px; top: 18px;
  font-size: 14px; font-weight: 700; color: var(--miod);
  min-width: 22px;
}
.pudlo-bib-glowna {
  font-size: 15px; line-height: 1.55; color: var(--tekst);
}
.pudlo-bib-autor { font-weight: 700; color: var(--granat); }
.pudlo-bib-tytul { font-style: italic; }
.pudlo-bib-zrodlo { color: var(--tekst-lekki); }
.pudlo-bib-uwaga {
  font-size: 13px; color: var(--tekst-lekki);
  margin-top: 5px; line-height: 1.5;
}
.pudlo-bib-link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; font-weight: 700; color: var(--granat);
  text-decoration: none; white-space: nowrap;
  border: 1px solid var(--border); border-radius: 4px;
  padding: 2px 8px; margin-left: 6px;
  transition: all 0.15s;
}
.pudlo-bib-link:hover { background: var(--granat); color: #fff; border-color: var(--granat); }
.pudlo-bib-link i { width: 13px; height: 13px; }
@media (max-width: 520px) {
  .pudlo-bib-wpis { padding: 16px 16px 16px 44px; }
  .pudlo-bib-wpis::before { left: 14px; }
}