:root {
  --bg: #f5f5f5;
  --surface: #ffffff;
  --text: #1f1f1f;
  --muted: #626262;
  --accent: #878787;
  /* Ciemniejszy odcień szarego – czytelny tekst na jasnym tle (linki, nieaktywne języki). */
  --accent-strong: #5f5f5f;
  --accent-soft: #ececec;
  --danger: #b3261e;
  --danger-soft: #fdecea;
  --border: #dcdcdc;
  --radius: 12px;
  --nav-height: 56px;
  --font: Tahoma, Verdana, Arial, sans-serif;
  --separator: #cdcdcd;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  /* Blokada zaznaczania tekstu na stronie publicznej. */
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

/* Pola formularza muszą dalej pozwalać na wpisywanie i zaznaczanie. */
input,
textarea {
  -webkit-user-select: text;
  user-select: text;
}

img,
svg {
  -webkit-user-drag: none;
}

a {
  color: var(--accent-strong);
}

/* Wszystkie teksty zwykłą odmianą kroju (bez pogrubień) – wyjątek: hasło ostrzegawcze niżej. */
h1,
h2,
h3,
h4,
h5,
h6,
strong,
b,
th,
dt {
  font-weight: 400;
}

/* Kontrolki formularzy nie dziedziczą czcionki domyślnie. */
button,
input,
select,
textarea {
  font-family: inherit;
}

/* Grafiki tylko do oglądania: bez przeciągania, zaznaczania i menu "zapisz obraz" (iOS). */
img,
svg,
.pictogram {
  -webkit-user-drag: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  pointer-events: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.brand {
  padding: 1rem clamp(1rem, 4vw, 2rem);
  background: var(--accent);
  color: #fff;
  letter-spacing: 0.02em;
  text-align: center;
}

.brand__title {
  font-size: clamp(0.95rem, 3.5vw, 1.15rem);
  color: inherit;
  text-decoration: none;
}

.brand__title:hover,
.brand__title:focus-visible {
  text-decoration: underline;
}

.footer {
  margin-top: auto;
  padding: 1.5rem 1rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

/* Strona główna */
.home {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  padding: clamp(2rem, 10vh, 6rem) 1rem 2rem;
}

.home h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  line-height: 1.15;
}

.lead {
  margin: 0 0 1.75rem;
  color: var(--muted);
}

.code-form__row {
  display: flex;
  gap: 0.5rem;
}

.code-form input {
  flex: 1;
  min-width: 0;
  padding: 0.85rem 1rem;
  font: inherit;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.code-form input::placeholder {
  letter-spacing: 0;
  text-transform: none;
}

.code-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.code-form input[aria-invalid='true'] {
  border-color: var(--danger);
}

.code-form button {
  padding: 0.85rem 1.4rem;
  font: inherit;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
}

.code-form button:hover {
  filter: brightness(1.1);
}

.code-form__error {
  margin: 0.75rem 0 0;
  padding: 0.75rem 1rem;
  color: var(--danger);
  background: var(--danger-soft);
  border-radius: var(--radius);
  font-size: 0.95rem;
}

@media (max-width: 420px) {
  .code-form__row {
    flex-direction: column;
  }
}

/* Pasek języków */
.lang-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 8px rgb(0 0 0 / 0.04);
}

.lang-nav ul {
  display: flex;
  gap: 0.4rem;
  margin: 0 auto;
  padding: 0.6rem 1rem;
  max-width: 820px;
  list-style: none;
  overflow-x: auto;
}

.lang-nav a {
  display: block;
  min-width: 3rem;
  padding: 0.35rem 0.8rem;
  text-align: center;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--accent-strong);
  background: var(--accent-soft);
  border-radius: 999px;
}

/* Strona główna: wszystkie 25 języków, zawijane w kilka rzędów */
.lang-nav--wrap {
  position: static;
}

.lang-nav--wrap ul {
  flex-wrap: wrap;
  justify-content: center;
  overflow-x: visible;
}

.lang-nav a[aria-current='true'] {
  color: #fff;
  background: var(--accent);
}

/* Strona produktu */
.product {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  padding: 1.5rem 1rem 2rem;
}

.product__image {
  display: flex;
  justify-content: center;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  background: var(--surface);
  border-radius: var(--radius);
}

.product__image img {
  max-height: 360px;
  width: auto;
}

.lang-section {
  scroll-margin-top: calc(var(--nav-height) + 1rem);
  padding: 1.5rem clamp(1rem, 4vw, 2rem);
  margin-bottom: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.lang-section__tag {
  display: inline-block;
  margin: 0 0 0.5rem;
  padding: 0.1rem 0.6rem;
  font-size: 0.8rem;
  color: var(--accent-strong);
  background: var(--accent-soft);
  border-radius: 999px;
}

.label-brand {
  margin: 0 0 0.25rem;
  font-size: 0.9rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.lang-section h2 {
  margin: 0 0 0.25rem;
  font-size: clamp(1.4rem, 4vw, 1.8rem);
  line-height: 1.2;
}

/* Sekcje w kolejności etykiety, rozdzielone cienką linią */
.label-part {
  padding: 1rem 0;
}

.label-part:first-child {
  padding-top: 0;
}

.label-part + .label-part {
  border-top: 1px solid var(--separator);
}

.label-head > * + * {
  margin-top: 1rem;
}

/* Kod produktu i UFI – jeden pod drugim */
.label-ids {
  margin: 0;
}

.label-ids > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 0.5rem;
}

.label-ids dt {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.label-ids dd {
  margin: 0;
  letter-spacing: 0.03em;
  word-break: break-all;
}

.hazards__signal {
  margin: 0 0 0.6rem;
  white-space: pre-line;
}

/* Słowo NIEBEZPIECZEŃSTWO zostaje pogrubione. */
.hazards__signal strong {
  font-weight: 700;
}

.hazards__title {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
}

.contains {
  margin: 0;
  white-space: pre-line;
}

.best-before {
  margin: 0;
  font-size: 0.95rem;
}

.contains + .best-before {
  margin-top: 0.6rem;
}

.block + .instruction-icons {
  margin-top: 1rem;
}

/* Przycisk „Do pobrania” – na razie bez pliku */
.downloads {
  padding-bottom: 0;
}

.downloads__button {
  padding: 0.85rem 1.4rem;
  font: inherit;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
}

.downloads__button:hover {
  filter: brightness(1.1);
}

.instruction-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.instruction-icons li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  min-width: 72px;
  text-align: center;
}

.instruction-icon {
  display: block;
  width: 64px;
  height: 64px;
  object-fit: contain;
}

.instruction-icon svg {
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.instruction-icon--text {
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  border: 2px solid var(--border);
}


.block + .block {
  margin-top: 1.25rem;
}

.block h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.block h4 {
  margin: 0 0 0.4rem;
  font-size: 0.98rem;
}

.block p {
  margin: 0 0 0.6rem;
  white-space: pre-line;
}

.pictograms {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Odstęp między kodami (UFI) a piktogramami GHS */
.label-ids + .pictograms {
  margin-top: 1.25rem;
}

.pictograms li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}

.pictogram {
  display: block;
  width: 105px;
  height: 105px;
}

.pictogram svg {
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.pictogram--text {
  display: grid;
  place-items: center;
  border: 3px solid var(--danger);
}

.statements {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.35rem 0.9rem;
  margin: 0;
}

.statements dt {
  font-size: 0.9rem;
  padding-top: 0.1rem;
}

.statements dd {
  margin: 0;
}

.safety-card {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgb(179 38 30 / 0.2);
}

.safety-card p {
  white-space: normal;
}

@media (max-width: 480px) {
  .statements {
    grid-template-columns: 1fr;
  }

  .statements dd {
    margin-bottom: 0.5rem;
  }

  .pictogram {
    width: 85px;
    height: 85px;
  }

  .instruction-icon {
    width: 52px;
    height: 52px;
  }
}