/* Alsterbahn – Komponenten-Stylesheet. Setzt tokens.css voraus (Farben, Abstände, Radien, Schatten, --font-sans). Präfix: ab- */

.ab-root, .ab-root * { box-sizing: border-box; }
.ab-root { font-family: var(--font-sans); color: var(--text-body); -webkit-font-smoothing: antialiased; }

/* ---------- Fokus (für alle Bedienelemente gleich) ---------- */
.ab-btn:focus-visible, .ab-iconbtn:focus-visible, .ab-stepper__btn:focus-visible,
.ab-card__link:focus-visible, .ab-nav__link:focus-visible {
  outline: 2px solid var(--tiefschwarz); outline-offset: 2px;
}
.ab-on-dark .ab-btn:focus-visible, .ab-on-dark .ab-iconbtn:focus-visible { outline-color: var(--weiss); }

/* ---------- Button ---------- */
.ab-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-8);
  min-height: 48px; padding: var(--space-12) var(--space-24);
  font: 500 calc(16px * var(--fs))/1.2 var(--font-sans); letter-spacing: 0; text-decoration: none; white-space: nowrap;
  border: 1px solid transparent; border-radius: var(--radius-pill); cursor: pointer;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.ab-btn img, .ab-btn svg { width: 20px; height: 20px; flex: none; }
.ab-btn--primary { background: var(--tiefschwarz); color: var(--weiss); }
.ab-btn--primary:hover { background: var(--text-body); }
.ab-btn--secondary { background: transparent; color: var(--tiefschwarz); border-color: var(--tiefschwarz); }
.ab-btn--secondary:hover { background: var(--hellgrau); }
.ab-btn--text { background: transparent; color: var(--tiefschwarz); padding-left: 0; padding-right: 0; min-height: 44px; }
.ab-btn--text:hover { text-decoration: underline; text-underline-offset: 4px; }
.ab-btn--lg { min-height: 56px; padding: var(--space-16) var(--space-32); }
.ab-btn--sm { min-height: 44px; padding: var(--space-8) var(--space-16); font-size: max(11px, calc(14px * var(--fs))); }
.ab-btn--block { display: flex; width: 100%; }
.ab-btn[disabled], .ab-btn[aria-disabled="true"] { opacity: .4; cursor: not-allowed; pointer-events: none; }
.ab-on-dark .ab-btn--primary { background: var(--weiss); color: var(--tiefschwarz); }
.ab-on-dark .ab-btn--primary:hover { background: var(--hellgrau); }
.ab-on-dark .ab-btn--secondary { color: var(--weiss); border-color: var(--weiss); }
.ab-on-dark .ab-btn--secondary:hover { background: rgba(255, 255, 255, .12); }
.ab-on-dark .ab-btn--text { color: var(--weiss); }

/* Link-Buttons: Hover-Farbe der Seite (a:hover) darf die Button-Schrift nicht überschreiben */
a.ab-btn--primary, a.ab-btn--primary:hover, a.ab-btn--primary:visited { color: var(--weiss); }
a.ab-btn--secondary, a.ab-btn--secondary:hover, a.ab-btn--text, a.ab-btn--text:hover { color: var(--tiefschwarz); }
.ab-on-dark a.ab-btn--primary, .ab-on-dark a.ab-btn--primary:hover { color: var(--tiefschwarz); }
.ab-on-dark a.ab-btn--secondary, .ab-on-dark a.ab-btn--secondary:hover, .ab-on-dark a.ab-btn--text, .ab-on-dark a.ab-btn--text:hover { color: var(--weiss); }

/* ---------- Icon-Button ---------- */
.ab-iconbtn {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; padding: 0; border: 0; border-radius: var(--radius-pill);
  background: transparent; cursor: pointer; transition: background-color .15s ease;
}
.ab-iconbtn:hover { background: var(--hellgrau); }
.ab-iconbtn img, .ab-iconbtn svg { width: 24px; height: 24px; display: block; }
.ab-iconbtn--filled { background: var(--weiss); }
.ab-iconbtn--filled:hover { background: var(--hellgrau); }
.ab-iconbtn__count {
  position: absolute; top: 2px; right: 2px; min-width: 18px; height: 18px; padding: 0 var(--space-4);
  border-radius: var(--radius-pill); background: var(--tiefschwarz); color: var(--weiss);
  font: 600 max(11px, calc(11px * var(--fs)))/18px var(--font-sans); text-align: center;
}
.ab-iconbtn[aria-pressed="true"] img { filter: none; }

/* ---------- Badge ---------- */
.ab-badge {
  display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 10px;
  border-radius: var(--radius-pill); background: var(--hellgrau); color: var(--tiefschwarz);
  font: 500 max(11px, calc(12px * var(--fs)))/1 var(--font-sans); letter-spacing: .04em; text-transform: uppercase; white-space: nowrap;
}
.ab-badge--dark { background: var(--tiefschwarz); color: var(--weiss); }
.ab-badge--outline { background: transparent; box-shadow: inset 0 0 0 1px var(--tiefschwarz); }
.ab-badge--akzent::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--akzent); }

/* ---------- Abschnittstitel (Eyebrow + zweifarbige Überschrift) ---------- */
.ab-eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-8); margin: 0;
  font: 500 max(11px, calc(12px * var(--fs)))/1.2 var(--font-sans); letter-spacing: .04em; text-transform: uppercase; color: var(--schiefer);
}
.ab-eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--akzent); }
.ab-section { display: flex; flex-direction: column; gap: var(--space-12); max-width: 720px; }
.ab-section__title { margin: 0; font: 700 calc(32px * var(--fs))/1.15 var(--font-sans); color: var(--tiefschwarz); }
.ab-section__title--xl { font-size: calc(48px * var(--fs)); letter-spacing: -0.01em; line-height: 1.08; }
.ab-section__title .ab-quiet { color: var(--text-meta); }
.ab-section__lead { margin: 0; font: 400 calc(19px * var(--fs))/1.5 var(--font-sans); color: var(--text-lead); }

/* ---------- Header ---------- */
.ab-header {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: var(--space-32);
  height: 72px; padding: 0 var(--space-56);
  background: rgba(243, 243, 241, .88); -webkit-backdrop-filter: saturate(180%) blur(16px); backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--linie);
}
.ab-header.is-scrolled { box-shadow: var(--shadow-sm); border-bottom-color: transparent; }
.ab-header__logo { display: block; flex: none; }
.ab-header__logo img { display: block; height: 28px; width: auto; }
.ab-nav { display: flex; align-items: center; gap: var(--space-4); margin: 0 auto; padding: 0; list-style: none; }
.ab-nav__link {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 var(--space-12); border-radius: var(--radius-pill);
  font: 500 max(11px, calc(14px * var(--fs)))/1 var(--font-sans); color: var(--tiefschwarz); text-decoration: none;
}
.ab-nav__link:hover { background: var(--hellgrau); }
.ab-nav__link[aria-current="page"] { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 6px; }
.ab-header__actions { display: flex; align-items: center; gap: var(--space-4); flex: none; margin-left: auto; }
.ab-header__menu { display: none; }
@media (max-width: 900px) {
  .ab-header { padding: 0 var(--space-16); gap: var(--space-16); }
  .ab-nav { display: none; }
  .ab-header__menu { display: inline-flex; }
  .ab-header__actions { margin-left: auto; }
}

/* ---------- Produktkarte ---------- */
.ab-card {
  position: relative; display: flex; flex-direction: column; background: var(--weiss);
  border-radius: var(--radius-md); overflow: hidden; transition: box-shadow .2s ease, transform .2s ease;
}
.ab-card:hover { box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.ab-card__media { position: relative; aspect-ratio: 4 / 3; background: var(--karton); display: flex; align-items: center; justify-content: center; }
.ab-card__media { overflow: hidden; }
.ab-card__media > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; }
.ab-card__media--foto > img { inset: var(--space-24); width: calc(100% - 2 * var(--space-24)); height: calc(100% - 2 * var(--space-24)); }
.ab-card__badges { position: absolute; top: var(--space-12); left: var(--space-12); display: flex; gap: var(--space-8); }
.ab-card__fav { position: absolute; top: var(--space-8); right: var(--space-8); }
.ab-card__body { display: flex; flex-direction: column; gap: var(--space-8); padding: var(--space-16) var(--space-16) var(--space-20); }
.ab-card__meta { margin: 0; font: 500 max(11px, calc(12px * var(--fs)))/1.3 var(--font-sans); letter-spacing: .04em; text-transform: uppercase; color: var(--schiefer); }
.ab-card__title { margin: 0; font: 600 calc(18px * var(--fs))/1.3 var(--font-sans); color: var(--tiefschwarz); }
.ab-card__link { color: inherit; text-decoration: none; }
.ab-card__link::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.ab-card__fav, .ab-card__badges { z-index: 1; }
.ab-card__price { margin: var(--space-4) 0 0; font: 600 calc(16px * var(--fs))/1.3 var(--font-sans); color: var(--tiefschwarz); }
.ab-card__price small { font-weight: 400; font-size: max(11px, calc(12px * var(--fs))); color: var(--schiefer); margin-left: var(--space-4); }

/* ---------- Textfeld ---------- */
.ab-field { display: flex; flex-direction: column; gap: var(--space-8); }
.ab-field__label { font: 500 max(11px, calc(14px * var(--fs)))/1.2 var(--font-sans); color: var(--tiefschwarz); }
.ab-field__input {
  height: 48px; padding: 0 var(--space-16); border: 1px solid var(--text-meta); border-radius: var(--radius-sm);
  background: var(--weiss); font: 400 calc(16px * var(--fs))/1.2 var(--font-sans); color: var(--text-body);
}
.ab-field__input::placeholder { color: var(--text-meta); }
.ab-field__input:hover { border-color: var(--schiefer); }
.ab-field__input:focus { outline: 2px solid var(--tiefschwarz); outline-offset: 1px; border-color: var(--tiefschwarz); }
.ab-field__help { margin: 0; font: 400 max(11px, calc(12px * var(--fs)))/1.4 var(--font-sans); color: var(--schiefer); }
.ab-field--error .ab-field__input { border-color: var(--fehler); }
.ab-field--error .ab-field__help { color: var(--fehler); }

/* ---------- Mengenwähler ---------- */
.ab-stepper {
  display: inline-flex; align-items: center; height: 48px; padding: 0 2px;
  border: 1px solid var(--text-meta); border-radius: var(--radius-pill); background: var(--weiss);
}
.ab-stepper__btn {
  display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px;
  padding: 0; border: 0; border-radius: var(--radius-pill); background: transparent; cursor: pointer;
}
.ab-stepper__btn:hover { background: var(--hellgrau); }
.ab-stepper__btn img { width: 20px; height: 20px; display: block; }
.ab-stepper__btn[disabled] { opacity: .35; cursor: not-allowed; }
.ab-stepper__value {
  width: 40px; border: 0; background: transparent; text-align: center;
  font: 600 calc(16px * var(--fs))/1 var(--font-sans); color: var(--tiefschwarz); -moz-appearance: textfield;
}
.ab-stepper__value::-webkit-outer-spin-button, .ab-stepper__value::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }