/* DJ EMC – Booking-Formular (nur Wizard-spezifisches; Basis-Komponenten kommen aus app.css).
   Fallback-Werte in var() greifen nur, falls app.css (noch) fehlt. */

.bk-section {
  --bk-card: var(--navy-900, #0B1430);
  --bk-card-2: var(--navy-800, #13204A);
  --bk-line: rgba(255, 255, 255, 0.1);
  --bk-line-strong: rgba(255, 255, 255, 0.24);
  --bk-text: var(--blanc, #F6F7FB);
  --bk-muted: var(--muted, #A9B1C9);
  --bk-accent: var(--rouge, #E1112B);
  --bk-accent-hover: var(--rouge-hover, #FF2E45);
  --bk-error: var(--rouge-text, #FF4D61);
  --bk-radius: var(--radius, 6px);
  --bk-radius-lg: var(--radius-lg, 14px);
}

.bk-container {
  max-width: 820px;
}

.bk-form [hidden],
.bk-section [hidden] {
  display: none !important;
}

/* ------------------------------------------------------------ Kopf */
.bk-header {
  margin-block-end: var(--s-6, 32px);
}

.bk-intro {
  color: var(--bk-muted);
  max-width: 65ch;
}

.bk-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: var(--s-4, 16px) 0 0;
  list-style: none;
}

.bk-facts li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--bk-line-strong);
  border-radius: 999px;
  font-size: 0.875rem;
  color: var(--bk-muted);
}

.bk-facts li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bk-accent);
}

/* ------------------------------------------------------------ Fehlerübersicht (ohne JS) */
.bk-errors {
  margin-block-end: var(--s-5, 24px);
  padding: var(--s-4, 16px) var(--s-5, 24px);
  border: 2px solid var(--bk-accent);
  border-radius: var(--bk-radius-lg);
  background: rgba(225, 17, 43, 0.12);
  color: var(--bk-text);
}

.bk-errors:focus {
  outline: 3px solid var(--bk-text);
  outline-offset: 3px;
}

.bk-errors__title {
  margin: 0 0 8px;
  font-size: 1.125rem;
}

.bk-errors ul {
  margin: 0;
  padding-inline-start: 1.2em;
}

.bk-errors a {
  color: inherit;
}

/* ------------------------------------------------------------ Formular & Schritte */
.bk-form {
  scroll-margin-top: 96px;
}

.bk-hp {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.bk-required-note {
  margin: 0 0 var(--s-4, 16px);
  font-size: 0.875rem;
  color: var(--bk-muted);
}

.bk-req {
  color: var(--bk-error);
  margin-inline-start: 2px;
  font-weight: 700;
}

.bk-step {
  scroll-margin-top: 96px; /* Platz für den klebenden Fortschritt */
  min-width: 0;
  margin: 0 0 var(--s-5, 24px);
  padding: var(--s-5, 24px) var(--s-4, 16px);
  border: 1px solid var(--bk-line);
  border-radius: var(--bk-radius-lg);
  background: var(--bk-card);
  color: var(--bk-text);
}

@media (min-width: 768px) {
  .bk-step {
    padding: var(--s-6, 32px) var(--s-7, 48px);
  }
}

/* float nimmt der Legend die Sonderdarstellung im Fieldset-Rahmen */
.bk-step__legend {
  float: left;
  width: 100%;
  padding: 0;
  margin: 0;
}

.bk-step__legend + * {
  clear: both;
}

.bk-step__num {
  display: block;
  margin-block-end: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bk-error);
}

.bk-form--wizard .bk-step__num {
  display: none; /* steht im Fortschritt */
}

.bk-step__title {
  display: block;
  font-family: var(--font-display, inherit);
  font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2rem);
  font-weight: 800;
  line-height: 1.15;
  scroll-margin-top: 120px;
}

.bk-step__title:focus {
  outline: none;
}

.bk-step__title:focus-visible {
  outline: 3px solid var(--bk-accent);
  outline-offset: 4px;
}

.bk-step__optional {
  font-size: 0.6em;
  font-weight: 500;
  color: var(--bk-muted);
}

.bk-step__intro {
  margin: 8px 0 var(--s-5, 24px);
  color: var(--bk-muted);
}

.bk-step__fields {
  display: grid;
  gap: var(--s-5, 24px);
}

.bk-row {
  display: grid;
  gap: var(--s-5, 24px);
  align-items: start;
}

/* Abstände regelt das Grid, nicht .field (app.css) */
.bk-step__fields .field,
.bk-consent.field {
  margin-bottom: 0;
}

@media (min-width: 340px) {
  .bk-row {
    grid-template-columns: 1fr 1fr;
    gap: var(--s-3, 12px);
  }

  .bk-row:has([data-field="zip"]) {
    grid-template-columns: 6.5em 1fr;
  }
}

@media (min-width: 768px) {
  .bk-row {
    gap: var(--s-5, 24px);
  }
}

/* Basis-Felder (Spezifität 0 – app.css .field gewinnt) */
:where(.bk-form) :where(.bk-field) {
  display: grid;
  gap: 6px;
  margin: 0;
}

:where(.bk-form) :where(.bk-field) > label,
:where(.bk-form) :where(.bk-group__legend) {
  font-weight: 600;
}

:where(.bk-form) :where(input[type="text"], input[type="email"], input[type="tel"], input[type="date"], input[type="time"], textarea, select) {
  box-sizing: border-box;
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  border: 1px solid var(--bk-line-strong);
  border-radius: var(--bk-radius);
  background: rgba(255, 255, 255, 0.04);
  color: var(--bk-text);
  font: inherit;
  font-size: max(1rem, 16px); /* verhindert Zoom auf iOS */
  color-scheme: dark;
}

:where(.bk-form) :where(textarea) {
  min-height: 112px;
  resize: vertical;
  line-height: 1.5;
}

:where(.bk-form) :where(input, textarea, select):focus-visible {
  outline: 3px solid var(--bk-accent);
  outline-offset: 1px;
  border-color: var(--bk-text);
}

:where(.bk-form) :where(input, textarea)::placeholder {
  color: var(--bk-muted);
  opacity: 0.75;
}

.bk-form .field__hint {
  font-size: 0.875rem;
  color: var(--bk-muted);
}

.bk-form .field__error {
  display: flex;
  gap: 6px;
  align-items: flex-start;
  margin: 2px 0 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--bk-error);
}

.bk-form .field__error::before {
  content: "!";
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  border-radius: 50%;
  background: var(--bk-error);
  color: var(--navy-950, #070B18);
  font-size: 0.75rem;
  font-weight: 800;
}

.bk-form .is-invalid :where(input:not([type="radio"], [type="checkbox"]), textarea, select) {
  border-color: var(--bk-error);
  box-shadow: 0 0 0 1px var(--bk-error);
}

/* ------------------------------------------------------------ Auswahl (Radio/Checkbox als Chips/Karten) */
.bk-group {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.bk-group__legend {
  padding: 0;
  margin-block-end: 8px;
}

.bk-group .field__hint {
  display: block;
  margin: -4px 0 8px;
}

.bk-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.bk-choices--cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 150px), 1fr));
  gap: 10px;
}

@media (max-width: 479px) {
  .bk-choices--cards {
    grid-template-columns: 1fr 1fr;
  }
}

.bk-choices--segmented {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 6px;
  max-width: 480px;
}

.bk-choice {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--bk-line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--bk-text);
  font-size: 0.95rem;
  line-height: 1.25;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.bk-choices--cards .bk-choice {
  min-height: 64px;
  padding: 12px 14px;
  border-radius: var(--bk-radius-lg);
  font-weight: 600;
  hyphens: auto;
}

.bk-choices--segmented .bk-choice {
  justify-content: center;
  border-radius: var(--bk-radius);
  text-align: center;
}

.bk-choice__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* Häkchen bei Mehrfachauswahl */
.bk-choice:has(input[type="checkbox"])::before {
  content: "";
  flex: none;
  width: 16px;
  height: 16px;
  border: 2px solid var(--bk-line-strong);
  border-radius: 4px;
}

.bk-choice:has(input[type="checkbox"]:checked)::before {
  border-color: #fff;
  background: #fff;
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
  border-radius: 0;
}

@media (hover: hover) {
  .bk-choice:hover {
    border-color: var(--bk-text);
    background: rgba(255, 255, 255, 0.07);
  }
}

.bk-choice:has(.bk-choice__input:checked) {
  border-color: var(--bk-accent);
  background: var(--bk-accent);
  color: #fff;
}

.bk-choice:has(.bk-choice__input:focus-visible) {
  outline: 3px solid var(--bk-text);
  outline-offset: 2px;
}

.bk-choice:active {
  transform: scale(0.98);
}

.bk-group.is-invalid .bk-choice {
  border-color: var(--bk-error);
}

.bk-cond {
  padding-inline-start: var(--s-4, 16px);
  border-inline-start: 2px solid var(--bk-accent);
}

/* ------------------------------------------------------------ Fortschritt */
.bk-progress {
  position: sticky;
  top: var(--header-h, 0px);
  z-index: 5;
  margin: 0 0 var(--s-4, 16px);
  padding: 10px 0 12px;
  background: var(--navy-950, #070B18);
  color: var(--bk-text);
  scroll-margin-top: 96px;
}

.bk-progress__label {
  margin: 0 0 8px;
  font-size: 0.9rem;
  font-weight: 700;
}

.bk-progress__track {
  position: relative;
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.bk-progress__bar {
  position: absolute;
  inset: 0;
  transform: scaleX(0.125);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--bleu, #1F3FBF), var(--bk-accent));
  transition: transform 0.3s ease;
}

.bk-progress__steps {
  display: none;
}

@media (min-width: 768px) {
  .bk-progress__steps {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 4px;
    margin: 8px 0 0;
    padding: 0;
    list-style: none;
    font-size: 0.75rem;
    color: var(--bk-muted);
  }

  .bk-progress__dot {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .bk-progress__dot.is-done {
    color: var(--bk-text);
  }

  .bk-progress__dot.is-current {
    color: var(--bk-accent-hover);
    font-weight: 700;
  }
}

/* ------------------------------------------------------------ Navigation */
.bk-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: var(--s-6, 32px);
}

.bk-nav__spacer {
  flex: 1 1 auto;
}

.bk-nav .btn {
  min-height: 48px;
}

.bk-nav__next,
.bk-submit {
  min-width: 140px;
}

@media (max-width: 479px) {
  .bk-form--wizard .bk-nav:not(.bk-nav--final) {
    position: sticky;
    bottom: 0;
    z-index: 4;
    margin-inline: calc(-1 * var(--s-4, 16px));
    padding: 12px var(--s-4, 16px) max(12px, env(safe-area-inset-bottom));
    background: linear-gradient(to top, var(--bk-card) 75%, transparent);
  }

  .bk-nav .btn {
    padding-inline: 12px;
  }

  .bk-nav__next {
    flex: 1 1 auto;
    min-width: 0;
  }

  .bk-form--wizard .bk-nav:not(.bk-nav--final) .bk-nav__spacer {
    display: none;
  }

  .bk-nav--final .bk-submit {
    flex: 1 1 100%;
    order: -1;
  }

  .bk-nav--final .bk-nav__spacer {
    display: none;
  }
}

/* Fallback-Buttons (Spezifität 0 – app.css .btn gewinnt) */
:where(.bk-form, .bk-thanks) :where(.btn) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 10px 20px;
  border: 1px solid var(--bk-line-strong);
  border-radius: var(--bk-radius);
  background: transparent;
  color: var(--bk-text, #F6F7FB);
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

:where(.bk-form, .bk-thanks) :where(.btn--primary) {
  border-color: var(--bk-accent);
  background: var(--bk-accent);
  color: #fff;
}

:where(.bk-form) :where(.btn--ghost) {
  border-color: transparent;
}

/* ------------------------------------------------------------ Zusammenfassung */
.bk-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s-4, 16px);
  margin-block-end: var(--s-6, 32px);
}

.bk-summary__section {
  padding: var(--s-4, 16px);
  border: 1px solid var(--bk-line);
  border-radius: var(--bk-radius-lg);
  background: var(--bk-card-2);
}

.bk-summary__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-block-end: 8px;
}

.bk-summary__title {
  margin: 0;
  font-family: var(--font-body, inherit);
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.bk-summary__edit {
  min-height: 44px;
  padding: 8px 12px;
  border: 0;
  border-radius: var(--bk-radius);
  background: transparent;
  color: var(--bk-accent-hover);
  font: inherit;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.bk-summary__edit:focus-visible {
  outline: 3px solid var(--bk-text);
}

.bk-summary__list {
  display: grid;
  gap: 6px;
  margin: 0;
}

.bk-summary__row {
  display: grid;
  gap: 2px;
  padding-block: 6px;
  border-top: 1px solid var(--bk-line);
}

@media (min-width: 600px) {
  .bk-summary__row {
    grid-template-columns: minmax(160px, 38%) 1fr;
    gap: 12px;
  }
}

.bk-summary__row dt {
  color: var(--bk-muted);
  font-size: 0.9rem;
}

.bk-summary__row dd {
  margin: 0;
  white-space: pre-line;
  overflow-wrap: anywhere;
}

.bk-summary__empty {
  margin: 0;
  color: var(--bk-muted);
  font-style: italic;
}

/* ------------------------------------------------------------ Einwilligung & Absenden */
.bk-consent {
  margin-block-end: var(--s-4, 16px);
}

.bk-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.bk-check input[type="checkbox"] {
  flex: none;
  width: 24px;
  height: 24px;
  margin: 2px 0 0;
  accent-color: var(--bk-accent);
  cursor: pointer;
}

.bk-check__label {
  font-weight: 400;
  line-height: 1.5;
  cursor: pointer;
}

.bk-check__label a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.bk-alert {
  margin: var(--s-4, 16px) 0;
  padding: 12px 16px;
  border-inline-start: 4px solid var(--bk-accent);
  border-radius: var(--bk-radius);
  background: rgba(225, 17, 43, 0.14);
  color: var(--bk-text);
  font-weight: 600;
}

.bk-pow {
  margin: 8px 0 0;
  font-size: 0.9rem;
  color: var(--bk-muted);
}

.bk-submit {
  position: relative;
}

.bk-submit.is-busy {
  cursor: progress;
  opacity: 0.85;
}

.bk-submit.is-busy::after {
  content: "";
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: bk-spin 0.8s linear infinite;
}

@keyframes bk-spin {
  to { transform: rotate(360deg); }
}

.bk-final-note {
  margin: var(--s-4, 16px) 0 0;
  font-size: 0.875rem;
  color: var(--bk-muted);
}

.bk-final-note a {
  color: inherit;
}

/* ------------------------------------------------------------ Danke-Seite */
.bk-thanks {
  max-width: 720px;
  margin-inline: auto;
  padding: var(--s-6, 32px) var(--s-5, 24px);
  border: 1px solid var(--bk-line);
  border-radius: var(--bk-radius-lg);
  background: var(--bk-card);
  color: var(--bk-text);
}

.bk-thanks__title {
  margin: 4px 0 12px;
}

.bk-thanks__code {
  display: inline-grid;
  gap: 2px;
  margin: var(--s-4, 16px) 0;
  padding: 14px 20px;
  border: 1px solid var(--bk-accent);
  border-radius: var(--bk-radius-lg);
  background: rgba(225, 17, 43, 0.1);
}

.bk-thanks__code-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bk-muted);
}

.bk-thanks__code-value {
  font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.bk-thanks__notice {
  padding: 12px 16px;
  border-inline-start: 4px solid var(--bk-accent);
  background: rgba(255, 255, 255, 0.04);
}

.bk-thanks__subtitle {
  margin: var(--s-6, 32px) 0 var(--s-3, 12px);
  font-size: 1.25rem;
}

.bk-next {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: bk-next;
}

.bk-next li {
  position: relative;
  padding-inline-start: 40px;
  counter-increment: bk-next;
}

.bk-next li::before {
  content: counter(bk-next);
  position: absolute;
  inset-inline-start: 0;
  top: -2px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bk-accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.875rem;
}

.bk-thanks__contact a {
  color: inherit;
}

.bk-thanks__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--s-6, 32px);
}

@media (prefers-reduced-motion: reduce) {
  .bk-choice,
  .bk-progress__bar {
    transition: none;
  }

  .bk-submit.is-busy::after {
    animation-duration: 2s;
  }
}