/* Studenten Bieten – Website-Kostenrechner
   Alles liegt unter .sbk. Farben, Schriften und Bewegung kommen aus dem Theme (--ink, --font-display …)
   und haben hier eigene Ersatzwerte, damit der Rechner auch ohne Theme vollständig aussieht.
   Gestaltung: Arbeitsblatt (hellblau, hier handeln Sie) + Kostenzettel (gelbes Collegeblock-Papier). */

.sbk {
  --sbk-ink: var(--ink, #093146);
  --sbk-ink-soft: var(--ink-soft, #405d69);
  --sbk-teal: var(--teal, #08736e);
  --sbk-mint: var(--mint, #12d3a8);
  --sbk-mint-wash: var(--mint-wash, #d5f7ee);
  --sbk-red: var(--red, #d93a2b);
  --sbk-stamp: #b72a1d;
  --sbk-night: var(--night, #07110f);
  --sbk-night-text: var(--night-text, #e9f1ee);
  --sbk-night-soft: var(--night-soft, #a9bcb6);
  --sbk-night-mint: var(--night-mint, #24e3c0);
  --sbk-board: var(--board, #1a6a6b);
  --sbk-line: var(--line, rgba(9, 49, 70, 0.14));
  --sbk-line-strong: var(--line-strong, rgba(9, 49, 70, 0.34));
  --sbk-sky: var(--paper-sky, #d9ecf8);
  --sbk-lemon: var(--paper-lemon, #fff29e);
  --sbk-note: var(--paper-mint, #d2f5e9);
  --sbk-marker: var(--marker, #ffd23f);
  --sbk-error: #b42318;
  --sbk-font-display: var(--font-display, 'Big Shoulders Display Variable', 'Big Shoulders Display', 'Arial Narrow', sans-serif);
  --sbk-font-text: var(--font-text, 'Instrument Sans Variable', 'Instrument Sans', system-ui, sans-serif);
  --sbk-font-hand: var(--font-hand, 'Kalam', 'Segoe Print', 'Bradley Hand', cursive);
  --sbk-shadow-paper: var(--shadow-paper, 0 1px 1px rgba(0, 22, 26, 0.22), 0 8px 14px -6px rgba(0, 18, 22, 0.38), 0 26px 40px -22px rgba(0, 18, 22, 0.6));
  --sbk-shadow-card: 0 1px 1px rgba(0, 22, 26, 0.14), 0 6px 12px -8px rgba(0, 18, 22, 0.32);
  --sbk-shadow-lift: var(--shadow-lift, 0 1px 1px rgba(0, 22, 26, 0.22), 0 10px 18px -8px rgba(0, 18, 22, 0.5));
  --sbk-ease-out: var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
  --sbk-ease-drawer: var(--ease-drawer, cubic-bezier(0.32, 0.72, 0, 1));
  --sbk-paper: url('../img/papier.svg');
  --sbk-worn: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='w' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' seed='11' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -3.4 2.55'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23w)'/%3E%3C/svg%3E");
  --sbk-tick: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 36'%3E%3Cpath d='M5 19c4 3 8 8 11 13C22 20 31 9 44 3' fill='none' stroke='%23d93a2b' stroke-width='3.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");

  position: relative;
  font-family: var(--sbk-font-text);
  font-size: var(--text-base, clamp(1.0625rem, 1.02rem + 0.2vw, 1.125rem));
  line-height: 1.55;
  color: var(--sbk-ink);
  -webkit-font-smoothing: antialiased;
}
.sbk *, .sbk *::before, .sbk *::after { box-sizing: border-box; }
.sbk :where(p, h2, h3, ol, ul, li, fieldset, legend, figure, label) { margin: 0; }
.sbk :where(ol, ul) { padding: 0; list-style: none; }
.sbk :where(button, input, textarea, select) { font: inherit; color: inherit; letter-spacing: inherit; }
.sbk :where(fieldset) { border: 0; padding: 0; min-width: 0; }
.sbk :where(img, svg) { display: block; max-width: 100%; }
.sbk [hidden] { display: none !important; }
.sbk :where(a) { color: inherit; text-decoration-line: underline; text-decoration-color: var(--sbk-mint); text-decoration-thickness: 0.13em; text-underline-offset: 0.2em; }
.sbk a.owner-link, .sbk a.owner-link:visited, .sbk a.owner-link:hover, .sbk a.owner-link:active { color: inherit; text-decoration-color: currentColor; }
.sbk a.owner-link:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }
.sbk :focus-visible { outline: 3px solid var(--sbk-teal); outline-offset: 3px; }
.sbk-sr {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ------------------------------------------------------------------ Layout */
.sbk-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 370px);
  gap: clamp(28px, 4vw, 64px);
  align-items: start;
}
.sbk-loading {
  min-height: 420px;
  display: grid;
  place-items: center;
  color: var(--board-ink, #fff);
  font-weight: 600;
}

/* ------------------------------------------------------------------ Arbeitsblatt */
.sbk-sheet {
  position: relative;
  padding: clamp(34px, 3.4vw, 48px) clamp(18px, 3.6vw, 52px) clamp(22px, 3vw, 40px);
  background-color: var(--sbk-sky);
  background-image: var(--sbk-paper);
  background-size: 480px 480px;
  background-position: -60px -330px;
  box-shadow: var(--sbk-shadow-paper);
}
.sbk-pin {
  position: absolute;
  top: 12px;
  z-index: 3;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 34%, #f3b4ab 0 18%, var(--sbk-red) 46%, #a3241a 100%);
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.28), 3px 5px 4px -2px rgba(0, 18, 22, 0.45);
  pointer-events: none;
}
.sbk-pin--l { left: 16px; }
.sbk-pin--r { right: 16px; }

/* Laufzettel: Stationen werden abgehakt, eine nicht nötige Station wird mit Rotstift gestrichen */
.sbk-route {
  display: grid;
  grid-template-columns: repeat(var(--sbk-stops, 5), minmax(0, 1fr));
  gap: 0.5rem;
  padding-bottom: 0.9rem;
  margin-bottom: clamp(22px, 2.8vw, 34px);
  border-bottom: 2px solid var(--sbk-ink);
  counter-reset: none;
}
.sbk-route__stop {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  min-width: 0;
  color: var(--sbk-ink-soft);
}
.sbk-route__no {
  position: relative;
  flex: none;
  font-family: var(--sbk-font-display);
  font-weight: 300;
  font-size: 2rem;
  line-height: 1;
  color: var(--sbk-teal);
}
.sbk-route__name {
  min-width: 0;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.2;
  overflow-wrap: anywhere;
}
.sbk-route__stop.is-current { color: var(--sbk-ink); }
.sbk-route__stop.is-current .sbk-route__no { font-weight: 800; color: var(--sbk-ink); }
.sbk-route__stop.is-current .sbk-route__name { font-weight: 700; text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 0.3em; }
.sbk-route__stop.is-done .sbk-route__no { color: var(--sbk-ink-soft); opacity: 0.55; }
.sbk-route__stop.is-done .sbk-route__no::after {
  content: '';
  position: absolute;
  left: -0.2rem;
  top: 0.1rem;
  width: 1.7rem;
  height: 1.3rem;
  background: var(--sbk-tick) center / contain no-repeat;
  opacity: 1;
}
.sbk-route__stop.is-skipped .sbk-route__name {
  text-decoration: line-through;
  text-decoration-color: var(--sbk-red);
  text-decoration-thickness: 2px;
}
.sbk-route__stop.is-skipped .sbk-route__no { opacity: 0.4; }

/* ------------------------------------------------------------------ Schrift */
.sbk-title {
  font-family: var(--sbk-font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 1.45rem + 2.3vw, 3.25rem);
  line-height: 0.95;
  letter-spacing: -0.005em;
  text-wrap: balance;
}
.sbk-title:focus { outline: none; }
.sbk-lead { margin-top: 0.8rem; max-width: 46ch; color: var(--sbk-ink-soft); text-wrap: pretty; }
.sbk-legend, .sbk-subtitle {
  font-family: var(--sbk-font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 1.25rem + 0.7vw, 1.8rem);
  line-height: 1;
  padding: 0;
}
.sbk-hint { margin-top: 0.35rem; font-size: var(--text-sm, 0.9375rem); color: var(--sbk-ink-soft); max-width: 60ch; }
.sbk-small { font-size: var(--text-sm, 0.9375rem); color: var(--sbk-ink-soft); }
.sbk-opt { font-weight: 400; color: var(--sbk-ink-soft); }

.sbk-form { display: grid; gap: clamp(22px, 2.6vw, 30px); margin-top: clamp(22px, 2.6vw, 32px); }
.sbk-form > [data-sbk-profi]:empty { display: none; }
.sbk-field { display: grid; gap: 0.75rem; }
.sbk-field > .sbk-legend + .sbk-hint { margin-top: -0.35rem; }

/* ------------------------------------------------------------------ Bildkarten */
.sbk-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr));
  gap: clamp(10px, 1.4vw, 16px);
}
.sbk-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 0.4rem;
  padding: 1.05rem 1.1rem 1.15rem;
  background: #fff;
  border: 2px solid transparent;
  box-shadow: var(--sbk-shadow-card);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 160ms var(--sbk-ease-out), border-color 150ms ease, background-color 150ms ease;
}
.sbk-card:active { transform: scale(0.98); }
.sbk-card__img { width: 68px; height: 68px; margin-bottom: 0.3rem; }
.sbk-card__img img { width: 100%; height: 100%; object-fit: contain; }
/* Website-Atelier: eigene Papierillustrationen als Standard für die Auswahlkarten. */
.sbk[data-card-design='atelier'] .sbk-card__img {
  display: block;
  width: 148px;
  height: 107px;
  max-width: 100%;
  margin: -0.15rem 0 0.35rem;
}
.sbk[data-card-design='atelier'] .sbk-card__img img { object-position: left center; }
.sbk-card__label {
  font-family: var(--sbk-font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 1.3rem + 0.5vw, 1.7rem);
  line-height: 1;
}
.sbk-card__text { font-size: var(--text-sm, 0.9375rem); line-height: 1.4; color: var(--sbk-ink-soft); }
.sbk-card:has(input:checked) { border-color: var(--sbk-ink); background: var(--sbk-mint-wash); }
.sbk-card:has(input:focus-visible) { outline: 3px solid var(--sbk-teal); outline-offset: 3px; }
.sbk-card__tick {
  position: absolute;
  top: 0.75rem;
  right: 0.8rem;
  width: 2.1rem;
  height: 1.6rem;
  opacity: 0;
}
.sbk-card__tick path {
  fill: none;
  stroke: var(--sbk-red);
  stroke-width: 3.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 60;
  stroke-dashoffset: 60;
}
.sbk-card:has(input:checked) .sbk-card__tick { opacity: 1; }
.sbk-card:has(input:checked) .sbk-card__tick path { stroke-dashoffset: 0; transition: stroke-dashoffset 280ms var(--sbk-ease-out); }
@media (hover: hover) and (pointer: fine) {
  .sbk-card:hover { border-color: var(--sbk-line-strong); }
  .sbk-card:has(input:checked):hover { border-color: var(--sbk-ink); }
}

/* webseo.one-Karte: dunkle Profi-Ebene, Mint und Schrägstrich wie auf webseo.one */
.sbk-card--profi { background: var(--sbk-night); color: var(--sbk-night-text); }
.sbk-card--profi .sbk-card__label {
  font-family: var(--sbk-font-text);
  font-stretch: 75%;
  font-weight: 700;
  letter-spacing: -0.03em;
  word-spacing: 0.12em;
  color: #fff;
}
.sbk-card--profi .sbk-card__text { color: var(--sbk-night-soft); }
.sbk-card--profi .sbk-card__img span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--sbk-night-mint);
  -webkit-mask: var(--sbk-img) center / contain no-repeat;
  mask: var(--sbk-img) center / contain no-repeat;
}
.sbk-card--profi:has(input:checked) { border-color: var(--sbk-night-mint); background: #0f1c19; }
.sbk-card--profi .sbk-card__tick path { stroke: var(--sbk-night-mint); }
.sbk-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.15em;
  justify-self: start;
  margin-top: 0.35rem;
  font-family: var(--sbk-font-text);
  font-stretch: 75%;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: -0.01em;
  color: var(--sbk-night-mint);
}
.sbk-badge::after { content: '/'; font-weight: 800; }
@media (hover: hover) and (pointer: fine) {
  .sbk-card--profi:hover { border-color: rgba(36, 227, 192, 0.5); }
}

/* ------------------------------------------------------------------ Auswahlkarten (kompakt) */
.sbk-choices {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 210px), 1fr));
  gap: 0.6rem;
}
.sbk-choice {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  min-height: 56px;
  padding: 0.75rem 0.85rem;
  background: #fff;
  border: 2px solid var(--sbk-line-strong);
  line-height: 1.25;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: border-color 150ms ease, background-color 150ms ease;
}
.sbk-choice input { flex: none; width: 1.15rem; height: 1.15rem; margin: 0.08rem 0 0; accent-color: var(--sbk-ink); }
.sbk-choice__body { display: grid; gap: 0.2rem; min-width: 0; }
.sbk-choice__label { font-weight: 650; }
.sbk-choice__text { font-size: 0.875rem; line-height: 1.35; color: var(--sbk-ink-soft); }
.sbk-choice:has(input:checked) { border-color: var(--sbk-ink); background: var(--sbk-mint-wash); }
.sbk-choice:has(input:focus-visible) { outline: 3px solid var(--sbk-teal); outline-offset: 2px; }
@media (hover: hover) and (pointer: fine) {
  .sbk-choice:hover { border-color: var(--sbk-ink); }
}
/* Immer dabei: nicht abwählbar, mit Stempel */
.sbk-choice--fest { cursor: default; border-style: dashed; background: rgba(255, 255, 255, 0.55); }
.sbk-choice--fest:has(input:checked) { background: rgba(255, 255, 255, 0.55); border-color: var(--sbk-line-strong); }
.sbk-choice--fest input { opacity: 0.55; }
.sbk-stamp-mini {
  justify-self: start;
  margin-top: 0.35rem;
  padding: 0.12rem 0.4rem 0.1rem;
  font-family: var(--sbk-font-display);
  font-weight: 900;
  font-size: 0.95rem;
  line-height: 1;
  letter-spacing: 0.03em;
  color: var(--sbk-stamp);
  border: 2.5px double var(--sbk-stamp);
  transform: rotate(-6deg);
  -webkit-mask: var(--sbk-worn);
  mask: var(--sbk-worn);
  white-space: nowrap;
}
.sbk-choice--profi { background: var(--sbk-night); border-color: var(--sbk-night); color: var(--sbk-night-text); }
.sbk-choice--profi .sbk-choice__text { color: var(--sbk-night-soft); }
.sbk-choice--profi input { accent-color: var(--sbk-night-mint); }
.sbk-choice--profi:has(input:checked) { background: #0f1c19; border-color: var(--sbk-night-mint); }
.sbk-choice--profi:has(input:focus-visible) { outline-color: var(--sbk-night-mint); }
@media (hover: hover) and (pointer: fine) {
  .sbk-choice--profi:hover { border-color: rgba(36, 227, 192, 0.6); }
}
.sbk-group { display: grid; gap: 0.6rem; margin-top: 0.6rem; }
.sbk-group__title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.2rem 0.6rem;
  font-weight: 700;
}
.sbk-group__title .sbk-badge {
  margin-top: 0;
  padding: 0.15rem 0.45rem;
  background: var(--sbk-night);
  color: var(--sbk-night-mint);
  line-height: 1.3;
}

/* ------------------------------------------------------------------ Mengen */
.sbk-count-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem 1.4rem; }
.sbk-count { display: inline-flex; align-items: stretch; background: #fff; border: 2px solid var(--sbk-ink); }
.sbk-count__btn {
  width: 52px;
  min-height: 56px;
  border: 0;
  background: transparent;
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background-color 150ms ease, color 150ms ease;
}
.sbk-count__btn:disabled { opacity: 0.3; cursor: default; }
.sbk-count__btn:not(:disabled):active { background: var(--sbk-ink); color: #fff; }
@media (hover: hover) and (pointer: fine) {
  .sbk-count__btn:not(:disabled):hover { background: var(--sbk-ink); color: #fff; }
}
.sbk-count__value {
  width: 3.4ch;
  border: 0;
  border-inline: 2px solid var(--sbk-ink);
  background: transparent;
  text-align: center;
  font-family: var(--sbk-font-display);
  font-weight: 900;
  font-size: 2.2rem;
  line-height: 1;
  -moz-appearance: textfield;
  appearance: textfield;
}
.sbk-count__value::-webkit-outer-spin-button, .sbk-count__value::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.sbk-count__value:focus-visible { outline-offset: -3px; }
.sbk-count__unit { font-weight: 650; }
.sbk-count--wide .sbk-count__value { width: 6ch; font-size: 1.7rem; }
.sbk-check { display: inline-flex; align-items: center; gap: 0.55rem; font-weight: 600; cursor: pointer; }
.sbk-check input { width: 1.15rem; height: 1.15rem; margin: 0; accent-color: var(--sbk-ink); }

/* ------------------------------------------------------------------ Profi-Hinweis */
.sbk-profi-note {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.15rem 1.05rem;
  background: var(--sbk-night);
  color: var(--sbk-night-soft);
  font-size: var(--text-sm, 0.9375rem);
}
.sbk-profi-note__title {
  font-family: var(--sbk-font-text);
  font-stretch: 75%;
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  word-spacing: 0.12em;
  line-height: 1.1;
  color: #fff;
}
.sbk-profi-note__title::after { content: ' /'; color: var(--sbk-night-mint); }
@media (prefers-reduced-motion: no-preference) {
  .sbk-profi-note { animation: sbk-rise 220ms var(--sbk-ease-out); }
}

/* ------------------------------------------------------------------ Kontaktfelder */
.sbk-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem 1.2rem; }
.sbk-input { display: grid; gap: 0.4rem; align-content: start; }
.sbk-input > label { font-weight: 650; }
.sbk-input :is(input:not([type='checkbox']):not([type='radio']), textarea) {
  width: 100%;
  min-height: 52px;
  padding: 0.7rem 0.9rem;
  border: 2px solid var(--sbk-ink);
  border-radius: 0;
  background: #fff;
  color: var(--sbk-ink);
  font-size: 1.05rem;
  transition: border-color 150ms ease;
}
.sbk-input textarea { min-height: 7.5rem; resize: vertical; line-height: 1.5; }
.sbk-input :is(input, textarea)::placeholder { color: rgba(64, 93, 105, 0.7); }
.sbk-input :is(input, textarea):focus-visible { outline: 3px solid var(--sbk-teal); outline-offset: 2px; }
.sbk [aria-invalid='true'] { border-color: var(--sbk-red) !important; }
.sbk-input > .sbk-consent { display: flex; gap: 0.7rem; align-items: flex-start; font-size: var(--text-sm, 0.9375rem); font-weight: 400; line-height: 1.45; cursor: pointer; }
.sbk .sbk-consent input[type='checkbox'] { flex: none; width: 1.2rem; height: 1.2rem; min-width: 0; min-height: 0; padding: 0; margin: 0.12rem 0 0; accent-color: var(--sbk-ink); }
.sbk .sbk-consent a { color: var(--sbk-ink); text-decoration-color: var(--sbk-teal); }
.sbk .sbk-consent a:is(:hover, :focus-visible) { color: var(--sbk-teal); text-decoration-color: currentColor; }
.sbk-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.sbk-error { color: var(--sbk-error); font-size: var(--text-sm, 0.9375rem); font-weight: 600; }
.sbk-alert {
  padding: 0.85rem 1rem;
  border-left: 4px solid var(--sbk-red);
  background: #fff4f2;
  color: #7a1a10;
  font-weight: 600;
  font-size: var(--text-sm, 0.9375rem);
}
.sbk-alert:focus { outline: none; }

/* ------------------------------------------------------------------ Navigation und Buttons */
.sbk-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem 1.2rem;
  margin-top: clamp(4px, 1vw, 10px);
  padding-top: 1.1rem;
  border-top: 1px dashed var(--sbk-line-strong);
}
.sbk-nav__end { margin-left: auto; display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem 1.2rem; }
.sbk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  min-height: 52px;
  padding: 0.8em 1.4em;
  border: 2px solid var(--sbk-ink);
  border-radius: 0;
  background: var(--sbk-ink);
  color: #fff;
  font-family: var(--sbk-font-text);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.15;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: transform 160ms var(--sbk-ease-out), background-color 200ms ease, border-color 200ms ease, color 200ms ease;
}
.sbk-btn:active { transform: scale(0.97); }
.sbk-btn[aria-busy='true'] { opacity: 0.7; cursor: progress; }
.sbk-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.sbk-btn--ghost { background: transparent; color: var(--sbk-ink); }
@media (hover: hover) and (pointer: fine) {
  .sbk-btn:not(:disabled):hover { background: var(--sbk-teal); border-color: var(--sbk-teal); color: #fff; }
  .sbk-btn--ghost:not(:disabled):hover { background: var(--sbk-ink); border-color: var(--sbk-ink); }
}
.sbk-btn--webseo {
  border: 0;
  padding-right: 1.6em;
  background: var(--sbk-night-mint);
  color: var(--sbk-night);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 13px), calc(100% - 8px) 100%, 0 100%);
}
.sbk-btn--webseo::after { content: ''; width: 0.2em; height: 0.95em; background: currentColor; transform: skewX(-24deg); margin-left: 0.15em; }
.sbk-btn--webseo:focus-visible { outline: 3px solid transparent; outline-offset: -8px; box-shadow: inset 0 0 0 3px var(--sbk-night), inset 0 0 0 5px #fff; }
@media (hover: hover) and (pointer: fine) {
  .sbk-btn--webseo:not(:disabled):hover { background: #fff; color: var(--sbk-night); }
}
.sbk-link {
  padding: 0.5rem 0.1rem;
  border: 0;
  background: none;
  font-weight: 600;
  color: var(--sbk-ink);
  text-decoration: underline;
  text-decoration-color: var(--sbk-mint);
  text-decoration-thickness: 0.13em;
  text-underline-offset: 0.2em;
  cursor: pointer;
}
@media (hover: hover) and (pointer: fine) { .sbk-link:hover { color: var(--sbk-teal); text-decoration-color: currentColor; } }
.sbk-spinner {
  width: 0.9em;
  height: 0.9em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: sbk-spin 700ms linear infinite;
}

/* ------------------------------------------------------------------ Telefonbestätigung */
.sbk-tabs { display: flex; margin-top: clamp(18px, 2.2vw, 26px); border-bottom: 2px solid var(--sbk-ink); }
.sbk-tab {
  position: relative;
  flex: 0 1 auto;
  min-width: 0;
  min-height: 48px;
  margin-bottom: -2px;
  padding: 0.65rem clamp(0.6rem, 2.4vw, 1.15rem);
  white-space: nowrap;
  border: 2px solid transparent;
  border-bottom: 0;
  background: transparent;
  font-weight: 650;
  color: var(--sbk-ink-soft);
  cursor: pointer;
}
.sbk-tab[aria-selected='true'] { background: #fff; border-color: var(--sbk-ink); color: var(--sbk-ink); }
.sbk-tab:focus-visible { outline-offset: -4px; }
@media (hover: hover) and (pointer: fine) { .sbk-tab:hover { color: var(--sbk-ink); } }
.sbk-panel { display: grid; gap: 1.1rem; padding: clamp(18px, 2.4vw, 28px); background: #fff; border: 2px solid var(--sbk-ink); border-top: 0; }
.sbk-tabs + .sbk-panel { border-top: 0; }
.sbk-panel--single { margin-top: clamp(18px, 2.2vw, 26px); border-top: 2px solid var(--sbk-ink); }
.sbk-howto { display: grid; gap: 0.5rem; counter-reset: sbk-howto; }
.sbk-howto li { position: relative; padding-left: 2rem; counter-increment: sbk-howto; }
.sbk-howto li::before {
  content: counter(sbk-howto);
  position: absolute;
  left: 0;
  top: -0.2rem;
  font-family: var(--sbk-font-display);
  font-weight: 300;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--sbk-teal);
}
.sbk-ticket {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem 1.4rem;
}
.sbk-code {
  display: inline-grid;
  gap: 0.15rem;
  padding: 0.55rem 1rem 0.6rem;
  background: var(--sbk-lemon);
  border: 2px dashed var(--sbk-ink);
}
.sbk-code__label { font-size: 0.8125rem; font-weight: 600; color: var(--sbk-ink-soft); }
.sbk-code__value { font-family: var(--sbk-font-display); font-weight: 900; font-size: 2.4rem; line-height: 1; letter-spacing: 0.04em; }
.sbk-qr { display: flex; align-items: center; gap: 1rem; }
.sbk-qr__code { width: 124px; height: 124px; flex: none; padding: 6px; background: #fff; border: 2px solid var(--sbk-ink); }
.sbk-qr__code svg { width: 100%; height: 100%; }
.sbk-qr__text { max-width: 26ch; font-size: var(--text-sm, 0.9375rem); color: var(--sbk-ink-soft); }
@media (hover: none) and (pointer: coarse) { .sbk-qr { display: none; } }
.sbk-status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: var(--text-sm, 0.9375rem);
}
.sbk-status--wait { color: var(--sbk-ink-soft); }
.sbk-status--ok { color: var(--sbk-teal); }
.sbk-otp { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 0.8rem; }
.sbk-otp .sbk-input input { width: 9.5ch; font-family: var(--sbk-font-display); font-weight: 800; font-size: 1.7rem; letter-spacing: 0.18em; text-align: center; }
.sbk-verify__foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.6rem 1.2rem; margin-top: 1.1rem; }

/* ------------------------------------------------------------------ Ergebnis im Arbeitsblatt */
.sbk-next { display: grid; gap: 0.7rem; margin-top: 1rem; counter-reset: sbk-next; }
.sbk-next li { position: relative; padding-left: 2.1rem; counter-increment: sbk-next; }
.sbk-next li::before {
  content: counter(sbk-next);
  position: absolute;
  left: 0;
  top: -0.25rem;
  font-family: var(--sbk-font-display);
  font-weight: 300;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--sbk-teal);
}
.sbk-done { display: grid; gap: 1rem; justify-items: start; }
.sbk-done .sbk-lead { margin-top: 0; }
.sbk-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem 1.4rem; margin-top: 0.6rem; }
.sbk-aktion {
  position: relative;
  max-width: 36rem;
  margin-top: 0.8rem;
  padding: 1.3rem 1.2rem 1rem;
  background-color: var(--sbk-lemon);
  background-image: var(--sbk-paper);
  background-size: 480px 480px;
  background-position: -170px -60px;
  box-shadow: var(--sbk-shadow-card);
  font-size: var(--text-sm, 0.9375rem);
  transform: rotate(-0.8deg);
}
.sbk-aktion p + p { margin-top: 0.4rem; }
.sbk-webseo-box { display: grid; gap: 0.9rem; justify-items: start; padding: clamp(18px, 2.4vw, 26px); background: var(--sbk-night); color: var(--sbk-night-soft); }
.sbk-webseo-box .sbk-title { font-family: var(--sbk-font-text); font-stretch: 75%; font-weight: 700; letter-spacing: -0.03em; word-spacing: 0.12em; color: #fff; }
.sbk-webseo-box .sbk-title::after { content: ' /'; color: var(--sbk-night-mint); }
.sbk-webseo-box :where(a) { text-decoration-color: var(--sbk-night-mint); }
.sbk-reasons { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.sbk-reasons li { padding: 0.25rem 0.7rem; border: 1.5px solid rgba(36, 227, 192, 0.55); color: var(--sbk-night-text); font-weight: 600; font-size: 0.9375rem; }
.sbk-compare { color: var(--sbk-night-text); }
.sbk-compare strong { color: var(--sbk-night-mint); white-space: nowrap; }
.sbk .sbk-profi-label {
  padding: 0.08em 0.28em;
  background: var(--sbk-night-mint);
  color: var(--sbk-night);
  font-weight: 700;
  white-space: normal;
  overflow-wrap: anywhere;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* ------------------------------------------------------------------ Kostenzettel */
.sbk-slip {
  --sbk-rule: 2rem;
  position: sticky;
  top: var(--sbk-sticky-top, 104px);
  padding: 2.3rem 1.3rem 1.3rem 3.3rem;
  background-color: var(--sbk-lemon);
  background-image: var(--sbk-paper);
  background-size: 480px 480px;
  background-position: -170px -60px;
  box-shadow: var(--sbk-shadow-paper);
  transform: rotate(0.7deg);
}
/* Collegeblock: roter Rand und Lochung, durch die der Filz scheint */
.sbk-slip::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 2.45rem;
  width: 1.5px;
  background: rgba(217, 58, 43, 0.5);
}
.sbk-slip::after {
  content: '';
  position: absolute;
  top: 12%;
  bottom: 12%;
  left: 0.55rem;
  width: 1.1rem;
  background: radial-gradient(circle at 50% 50%, var(--sbk-board) 0 0.34rem, rgba(0, 0, 0, 0.18) 0.36rem, transparent 0.42rem) 0 0 / 100% 25% repeat-y;
}
.sbk-tape {
  position: absolute;
  top: -13px;
  left: 50%;
  width: 118px;
  height: 28px;
  transform: translateX(-50%) rotate(-2.5deg);
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.22) 0 2px, transparent 2px 9px), rgba(18, 211, 168, 0.5);
  clip-path: polygon(1.5% 0, 98.5% 0, 100% 14%, 98% 28%, 100% 42%, 98% 57%, 100% 71%, 98% 85%, 98.5% 100%, 1.5% 100%, 0 86%, 2% 72%, 0 58%, 2% 43%, 0 29%, 2% 15%);
  pointer-events: none;
}
.sbk-slip__head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.5rem 1rem; flex-wrap: wrap; padding-bottom: 0.55rem; border-bottom: 2px solid var(--sbk-ink); }
.sbk-slip__title { font-family: var(--sbk-font-display); font-weight: 900; font-size: clamp(1.8rem, 1.5rem + 0.8vw, 2.2rem); line-height: 1; }
.sbk-slip__date { font-family: var(--sbk-font-hand); font-size: 1rem; color: var(--sbk-ink-soft); }
.sbk-lines { margin-top: 0.15rem; }
.sbk-line {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.6rem;
  min-height: var(--sbk-rule);
  padding-top: 0.35rem;
  border-bottom: 1px solid rgba(9, 49, 70, 0.16);
  font-family: var(--sbk-font-hand);
  font-size: 1.12rem;
  line-height: 1.35;
}
.sbk-line__text { min-width: 0; padding-bottom: 0.05rem; overflow-wrap: anywhere; }
.sbk-line__amount { flex: none; padding-bottom: 0.05rem; white-space: nowrap; text-align: right; }
.sbk-line__amount--incl { color: var(--sbk-teal); }
/* Betrag noch verdeckt: mit Bleistift schraffiert */
.sbk-line__amount--hidden {
  width: 3.2rem;
  height: 0.85rem;
  margin-bottom: 0.4rem;
  background: repeating-linear-gradient(-55deg, rgba(9, 49, 70, 0.42) 0 1.4px, transparent 1.4px 4.5px);
  border-radius: 2px;
}
.sbk-line__amount--profi {
  margin-bottom: 0.3rem;
  padding: 0.05rem 0.45rem 0.1rem;
  background: var(--sbk-night);
  color: var(--sbk-night-mint);
  font-family: var(--sbk-font-text);
  font-stretch: 75%;
  font-weight: 700;
  font-size: 0.8rem;
}
.sbk-line--blank { min-height: var(--sbk-rule); }
.sbk-line--muted { color: var(--sbk-ink-soft); }
@media (prefers-reduced-motion: no-preference) {
  .sbk-line.is-new .sbk-line__text { animation: sbk-write 420ms var(--sbk-ease-out) both; }
  .sbk-line.is-new .sbk-line__amount { animation: sbk-fade 300ms 200ms ease both; }
}

.sbk-sum { position: relative; margin-top: 1rem; padding-top: 0.6rem; border-top: 3px double var(--sbk-ink); min-height: 7.4rem; }
.sbk-sum__row { display: flex; align-items: baseline; justify-content: space-between; gap: 0.8rem; flex-wrap: wrap; }
.sbk-sum__label { font-weight: 700; }
.sbk-sum__value { font-family: var(--sbk-font-display); font-weight: 900; font-size: clamp(2.3rem, 1.9rem + 1.4vw, 2.9rem); line-height: 1; white-space: nowrap; }
.sbk-sum__value mark {
  color: inherit;
  padding: 0 0.12em;
  background-color: transparent;
  background-image: linear-gradient(176deg, transparent 0.18em, color-mix(in srgb, var(--sbk-marker) 92%, transparent) 0.2em, color-mix(in srgb, var(--sbk-marker) 80%, transparent) calc(100% - 0.12em), transparent calc(100% - 0.1em));
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
.sbk-sum__net { display: block; margin-top: 0.35rem; font-size: var(--text-sm, 0.9375rem); font-weight: 600; text-align: right; }
.sbk-sum__details { display: grid; gap: 0.2rem; margin-top: 0.55rem; font-size: var(--text-sm, 0.9375rem); }
.sbk-sum__details div { display: flex; justify-content: space-between; gap: 0.8rem; }
.sbk-sum__details dt { color: var(--sbk-ink-soft); }
.sbk-sum__details dd { margin: 0; font-weight: 600; white-space: nowrap; }
.sbk-sum__yearly {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.15rem 1rem;
  margin-top: 0.7rem;
  padding-top: 0.55rem;
  border-top: 1px dashed var(--sbk-line-strong);
  font-size: var(--text-sm, 0.9375rem);
}
.sbk-sum__yearly strong { font-weight: 650; white-space: nowrap; }
.sbk-sum__text { font-family: var(--sbk-font-hand); font-size: 1.35rem; line-height: 1.25; }
.sbk-slip__foot { margin-top: 1rem; font-size: 0.8125rem; color: var(--sbk-ink-soft); }

/* Der Notizzettel über der Summe – nach der Bestätigung zum Abreißen */
.sbk-cover {
  position: absolute;
  inset: -0.5rem -0.45rem -0.35rem;
  z-index: 2;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 0.15rem;
  padding: 1.3rem 0.8rem 0.8rem;
  border: 0;
  border-radius: 0;
  background-color: var(--sbk-note);
  background-image: var(--sbk-paper);
  background-size: 480px 480px;
  background-position: -300px -210px;
  box-shadow: var(--sbk-shadow-lift);
  color: var(--sbk-ink);
  text-align: center;
  transform-origin: 50% 0.6rem;
  transform: translateY(var(--sbk-pull, 0px)) rotate(calc(-2.2deg + var(--sbk-pull-deg, 0deg)));
  cursor: default;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}
.sbk-cover .sbk-pin { top: 0.3rem; left: 50%; margin-left: -9px; }
.sbk-cover__title { font-family: var(--sbk-font-hand); font-size: 1.55rem; line-height: 1.1; }
.sbk-cover__text { max-width: 22ch; font-size: 0.8125rem; line-height: 1.35; color: var(--sbk-ink-soft); }
.sbk-cover[data-ready] { cursor: grab; }
.sbk-cover[data-ready]:active { cursor: grabbing; }
/* Perforation: hier reißt der Zettel ab */
.sbk-cover[data-ready]::before {
  content: '';
  position: absolute;
  left: 0.6rem;
  right: 0.6rem;
  top: 1.45rem;
  border-top: 2px dashed rgba(9, 49, 70, 0.35);
}
.sbk-cover[data-ready] .sbk-cover__text { color: var(--sbk-ink); font-weight: 700; }
@media (prefers-reduced-motion: no-preference) {
  .sbk-cover[data-ready]:not(.is-torn) { animation: sbk-wiggle 900ms 350ms var(--sbk-ease-out) 1 both; }
  .sbk-cover.is-torn { animation: sbk-tear 720ms cubic-bezier(0.5, 0, 0.75, 0) forwards; }
}
.sbk-cover.is-torn { pointer-events: none; }
@media (prefers-reduced-motion: reduce) {
  .sbk-cover.is-torn { opacity: 0; transition: opacity 150ms ease; }
}

/* Stempel: ersetzt nach dem Aufdecken das handschriftliche Datum im Kopf des Zettels */
.sbk-stamp {
  position: relative;
  display: grid;
  gap: 0.1rem;
  margin: -0.55rem -0.35rem -0.5rem auto;
  padding: 0.3rem 0.6rem 0.32rem;
  border: 3px double var(--sbk-stamp);
  color: var(--sbk-stamp);
  font-family: var(--sbk-font-display);
  font-weight: 900;
  font-size: 1.2rem;
  line-height: 1;
  letter-spacing: 0.03em;
  text-align: center;
  transform: rotate(-9deg);
  -webkit-mask: var(--sbk-worn);
  mask: var(--sbk-worn);
  opacity: 0.9;
  pointer-events: none;
}
.sbk-stamp small { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.04em; }
.sbk-stamp--profi { color: var(--sbk-night); border-color: var(--sbk-night); }

/* Aufdecken als eine zusammenhängende Bewegung: abreißen → Beträge → Textmarker → Stempel */
@media (prefers-reduced-motion: no-preference) {
  .sbk-slip.is-revealing .sbk-line__amount { animation: sbk-fade 260ms both; animation-delay: calc(260ms + var(--i, 0) * 55ms); }
  .sbk-slip.is-revealing .sbk-sum__value mark { animation: sbk-marker 460ms 420ms var(--sbk-ease-out) both; }
  .sbk-slip.is-revealing .sbk-sum__value { animation: sbk-fade 200ms 300ms both; }
  .sbk-slip.is-revealing .sbk-sum__details, .sbk-slip.is-revealing .sbk-sum__yearly, .sbk-slip.is-revealing .sbk-sum__net { animation: sbk-fade 260ms 620ms both; }
  .sbk-slip.is-revealing .sbk-stamp { animation: sbk-stamp 300ms 900ms cubic-bezier(0.2, 0.9, 0.3, 1.25) both; }
}

/* ------------------------------------------------------------------ Bewegung */
@keyframes sbk-rise { from { opacity: 0; transform: translateY(6px); } }
@keyframes sbk-fade { from { opacity: 0; } }
@keyframes sbk-spin { to { transform: rotate(360deg); } }
@keyframes sbk-write { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
@keyframes sbk-marker { from { background-size: 0% 100%; } to { background-size: 100% 100%; } }
@keyframes sbk-wiggle {
  0%, 100% { transform: rotate(-2.2deg); }
  20% { transform: rotate(1.6deg); }
  40% { transform: rotate(-3.4deg); }
  60% { transform: rotate(0.6deg); }
  80% { transform: rotate(-2.6deg); }
}
@keyframes sbk-tear {
  0% { transform: translateY(var(--sbk-pull, 0px)) rotate(-2.2deg); }
  18% { transform: translateY(calc(var(--sbk-pull, 0px) + 10px)) rotate(1.5deg); }
  100% { transform: translate(34px, 240%) rotate(26deg); opacity: 0; }
}
@keyframes sbk-stamp {
  0% { opacity: 0; transform: rotate(-9deg) scale(1.7); }
  65% { opacity: 0.95; transform: rotate(-9deg) scale(0.95); }
  100% { opacity: 0.9; transform: rotate(-9deg) scale(1); }
}
.sbk-step { min-width: 0; }
@media (prefers-reduced-motion: no-preference) {
  .sbk-step.is-entering { animation: sbk-step-in 260ms var(--sbk-ease-out) both; }
}
@keyframes sbk-step-in { from { opacity: 0; transform: translateX(10px); } }

/* ------------------------------------------------------------------ Kleine Bildschirme */
@media (max-width: 960px) {
  .sbk-layout { grid-template-columns: minmax(0, 1fr); }
  .sbk-slip { position: relative; top: auto; transform: none; max-width: 30rem; width: 100%; justify-self: center; }
  .sbk[data-phase='ergebnis'] .sbk-slip { order: -1; }
  .sbk[data-phase='ergebnis'] .sbk-layout { gap: 36px; }
}
@media (max-width: 640px) {
  .sbk-row { grid-template-columns: minmax(0, 1fr); }
  /* Auf dem Handy: nur Nummern, die aktuelle Station mit Namen – alles in einer Zeile */
  .sbk-route { display: flex; align-items: baseline; gap: 0.95rem; }
  .sbk-route__stop:not(.is-current) .sbk-route__name { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .sbk-route__stop.is-current { flex: 1 1 auto; }
  .sbk-tab { flex: 1 1 0; text-align: center; font-size: 0.9375rem; }
  .sbk-nav { flex-direction: column-reverse; align-items: stretch; }
  .sbk-nav__end { margin-left: 0; }
  .sbk-nav .sbk-btn, .sbk-nav__end .sbk-btn { width: 100%; }
  .sbk-nav .sbk-link { align-self: center; }
  .sbk-cards { grid-template-columns: minmax(0, 1fr); }
  .sbk-card { grid-template-columns: 56px minmax(0, 1fr); column-gap: 0.9rem; align-items: center; }
  .sbk-card__img { grid-row: span 2; width: 56px; height: 56px; margin: 0; }
  .sbk[data-card-design='atelier'] .sbk-card { grid-template-columns: 76px minmax(0, 1fr); }
  .sbk[data-card-design='atelier'] .sbk-card__img { width: 76px; height: 70px; margin: 0; }
  .sbk-card .sbk-badge { grid-column: 2; }
  .sbk-slip { padding-left: 3rem; }
}

@media (forced-colors: active) {
  .sbk-card:has(input:checked), .sbk-choice:has(input:checked) { outline: 3px solid Highlight; }
  .sbk-line__amount--hidden { background: GrayText; }
}

@media print {
  .sbk-sheet, .sbk-cover, .sbk-tape { display: none; }
  .sbk-layout { display: block; }
  .sbk-slip { position: static; transform: none; box-shadow: none; }
}