/* ==========================================================================
   NaviAble - widok dostępnej wersji strony oraz formularz narzędzia.
   Ten sam fundament co base.css: kontrast >= 4.5:1, focus 4px/2px.
   ========================================================================== */

.a-container {
  width: min(100% - 2.5rem, 900px);
  margin-inline: auto;
}

/* --- Pasek narzędzi ------------------------------------------------------- */
.a-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #0b1220;
  color: #e6edf7;
  border-bottom: 1px solid rgb(255 255 255 / 12%);
}

.a-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: 0.7rem;
  width: min(100% - 2.5rem, 1140px);
}

.a-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.a-brand__able {
  color: #7dd3fc;
}

.a-brand__tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #b6c4da;
  border-left: 1px solid rgb(255 255 255 / 25%);
  padding-left: 0.5rem;
}

.a-bar__tools {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.a-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font: inherit;
  font-weight: 650;
  font-size: 0.9rem;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  background: #fff;
  color: #0b1220;
}

.a-btn:hover {
  background: #e8efff;
}

.a-btn--ghost {
  background: transparent;
  color: #e6edf7;
  border-color: rgb(255 255 255 / 35%);
}

.a-btn--ghost:hover {
  background: rgb(255 255 255 / 12%);
}

.a-btn--primary {
  background: var(--brand);
  color: #fff;
}

.a-btn--primary:hover {
  background: var(--brand-dark);
}

/* --- Nagłówek dokumentu --------------------------------------------------- */
.a-header {
  padding-block: var(--space-7) var(--space-5);
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}

.a-header h1 {
  margin: 0.35rem 0 0;
  font-size: clamp(1.7rem, 1.2rem + 2vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.a-eyebrow {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-dark);
}

.a-lead {
  margin: 0.9rem 0 0;
  max-width: 68ch;
  color: var(--muted);
  font-size: 1.05rem;
}

/* --- Nawigacja ------------------------------------------------------------ */
.a-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.a-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
  margin: 0;
  padding: 0.7rem 0;
  list-style: none;
}

.a-nav li {
  margin: 0;
}

.a-nav a {
  display: inline-block;
  padding: 0.2rem 0;
  color: var(--brand-dark);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* --- Treść ---------------------------------------------------------------- */
.a-main {
  padding-block: var(--space-6) var(--space-8);
}

.a-prose {
  max-width: 74ch;
  overflow-wrap: break-word;
}

.a-prose :where(h2, h3, h4, h5, h6) {
  line-height: 1.25;
  margin: 1.8em 0 0.5em;
}

.a-prose h2 {
  font-size: clamp(1.4rem, 1.15rem + 1vw, 1.85rem);
}

.a-prose h3 {
  font-size: clamp(1.2rem, 1.05rem + 0.6vw, 1.4rem);
}

.a-prose p,
.a-prose li {
  font-size: 1.05rem;
}

.a-prose p {
  margin: 0 0 1em;
}

.a-prose ul,
.a-prose ol {
  padding-left: 1.4em;
  margin: 0 0 1em;
}

.a-prose li {
  margin-bottom: 0.35em;
}

.a-prose a {
  color: var(--brand-dark);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.a-prose img {
  margin: 1.2em 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}

.a-prose blockquote {
  margin: 1.2em 0;
  padding: 0.6em 1.1em;
  border-left: 4px solid var(--brand);
  background: var(--surface-2);
  color: var(--ink-soft);
}

.a-prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2em 0;
  font-size: 0.98rem;
}

.a-prose :where(th, td) {
  border: 1px solid var(--line-strong);
  padding: 0.5rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

.a-prose th {
  background: var(--surface-3);
}

.a-prose pre {
  overflow-x: auto;
  padding: 1rem;
  border-radius: var(--radius-sm);
  background: #0b1220;
  color: #e6edf7;
}

.a-prose code {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

.a-prose :not(pre) > code {
  background: var(--surface-3);
  padding: 0.1em 0.35em;
  border-radius: 5px;
}

.a-prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2em 0;
}

/* --- Stopka --------------------------------------------------------------- */
.a-footer {
  padding-block: var(--space-6);
  background: var(--surface-2);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

.a-note {
  padding-block: var(--space-5);
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.a-note p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* --- Formularz narzędzia -------------------------------------------------- */
.a-hero {
  padding-block: var(--space-8) var(--space-7);
}

.a-hero h1 {
  margin: 0.4rem 0 0;
  color: #fff;
  font-size: clamp(1.9rem, 1.3rem + 2.6vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.a-form {
  margin-top: var(--space-6);
  padding: var(--space-5);
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  max-width: 640px;
}

.a-form label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 700;
  color: var(--ink);
}

.a-form__row {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.a-form input {
  flex: 1 1 320px;
  min-width: 0;
  padding: 0.7rem 0.85rem;
  font: inherit;
  color: var(--ink);
  border: 2px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: #fff;
}

.a-form input:focus-visible {
  outline: 4px solid var(--focus);
  outline-offset: 2px;
  border-color: var(--brand);
}

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

.a-form__error {
  margin: 0.7rem 0 0;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  background: var(--danger-soft);
  color: var(--danger);
  font-weight: 600;
}

.a-form__hint {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.a-form code,
.a-form__hint code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--surface-3);
  padding: 0.1em 0.35em;
  border-radius: 5px;
}

@media (max-width: 620px) {
  .a-bar__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .a-brand__tag {
    display: none;
  }

  .a-container {
    width: min(100% - 1.6rem, 900px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}