/* Reserva pública y gestión de la cita (T2.1, T2.2). La enlaza el layout público en las páginas de un negocio
   (nav 'none'), después de app.css. Móvil primero, objetivos táctiles de 44 px, sin JS. --brand y --on-brand
   son el color del negocio (los fija el <style nonce> del layout). */

.bk-wrap { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: var(--gutter); }
.bk-step { max-width: 760px; padding-block: 24px 48px; }
.bk-h1 { margin: 8px 0 20px; font: 700 clamp(1.6rem, 1.2rem + 1.8vw, 2.25rem)/1.15 var(--font-display); letter-spacing: -.01em; }
.bk-h2 { margin: 8px 0 16px; font: 700 1.375rem/1.2 var(--font-display); }
.bk-h3 { margin: 22px 0 8px; font: 700 1rem/1.3 var(--font-body); }
.bk-lead { font-size: 1.125rem; }
.bk-small { font-size: .875rem; color: var(--muted); }
.bk-alert { border-color: #D97706; background: color-mix(in srgb, #F59E0B 16%, var(--card)); }

/* ---------- Franja del negocio ---------- */
.bk-top { background: var(--brand); color: var(--on-brand); }
.bk-top__bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; }
.bk-top__name { display: inline-flex; align-items: center; min-height: 44px; color: inherit; text-decoration: none; font: 700 1.125rem/1.2 var(--font-display); }
.bk-top__lang {
  flex: none; display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border-radius: 999px;
  border: 1.5px solid color-mix(in srgb, currentColor 45%, transparent); color: inherit; text-decoration: none; font-size: .9375rem; font-weight: 600;
}
.bk-top__lang:hover { background: color-mix(in srgb, currentColor 12%, transparent); }
.bk-top--hero .bk-top__bar { align-items: flex-start; padding-block: 28px 32px; }
.bk-top__title { font: 700 clamp(1.9rem, 1.3rem + 3vw, 3.25rem)/1.05 var(--font-display); letter-spacing: -.02em; }
.bk-top__city { margin: 8px 0 0; opacity: .9; }

/* ---------- Portada del negocio ---------- */
.bk-home { display: grid; gap: 28px; padding-block: 24px 48px; }
.bk-intro { max-width: 40em; font-size: 1.0625rem; color: var(--ink-2); }
.bk-cat { margin: 24px 0 10px; font-size: .8125rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.bk-svcs { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.bk-svc {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 4px 12px; min-height: 72px; padding: 16px 18px;
  border: 1.5px solid var(--line); border-radius: var(--radius-s); background: var(--card); color: var(--ink); text-decoration: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.bk-svc:hover { border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent); text-decoration: none; }
.bk-svc__name { font-weight: 700; }
.bk-svc__desc, .bk-svc__meta { grid-column: 1; font-size: .9375rem; color: var(--muted); }
.bk-svc__go { grid-column: 2; grid-row: 1 / span 3; padding: 8px 14px; border-radius: 999px; background: var(--brand); color: var(--on-brand); font-size: .875rem; font-weight: 600; }
.bk-card { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.bk-card > :last-child { margin-bottom: 0; }
.bk-hours { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; margin: 0 0 1em; }
.bk-hours dt { font-weight: 600; }
.bk-hours dd { margin: 0; color: var(--ink-2); }

.bk-contact { list-style: none; margin: 0 0 8px; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.bk-contact__btn {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border: 1.5px solid var(--line); border-radius: 999px;
  background: var(--card); color: var(--ink); font-weight: 600; text-decoration: none;
}
.bk-contact__btn:hover { border-color: var(--brand); text-decoration: none; }

/* ---------- Asistente de preguntas (T3.1) ---------- */
.bk-ai { margin-top: 36px; }
.bk-ai .bk-card { margin-top: 14px; }

/* ---------- Pasos ---------- */
.bk-steps { list-style: none; margin: 0 0 16px; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; counter-reset: paso; font-size: .75rem; line-height: 1.3; color: var(--muted); }
.bk-steps li { counter-increment: paso; padding-top: 8px; border-top: 3px solid var(--line); }
.bk-steps li::before { content: counter(paso) ". "; font-weight: 700; }
.bk-steps .is-done { border-top-color: color-mix(in srgb, var(--brand) 45%, var(--line)); }
.bk-steps .is-now { border-top-color: var(--brand); color: var(--ink); font-weight: 700; }
.bk-chosen {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0 12px; margin: 0 0 6px;
  padding: 2px 14px; border-radius: var(--radius-s); background: var(--tint); font-size: .9375rem;
}
.bk-chosen span { padding-block: 10px; }
.bk-chosen a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 600; }

.bk-choices { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.bk-choice {
  display: flex; flex-direction: column; justify-content: center; gap: 2px; min-height: 64px; padding: 14px 18px;
  border: 1.5px solid var(--line); border-radius: var(--radius-s); background: var(--card); color: var(--ink); text-decoration: none;
}
.bk-choice span { font-size: .9375rem; color: var(--muted); }
.bk-choice:hover { border-color: var(--brand); text-decoration: none; }
.bk-choice--any { border-color: color-mix(in srgb, var(--brand) 55%, var(--line)); background: color-mix(in srgb, var(--brand) 7%, var(--card)); }

/* ---------- Días y huecos ---------- */
.bk-days { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 20px; }
.bk-days__list {
  order: -1; flex: 0 0 calc(100% + var(--gutter) * 2); display: flex; gap: 8px; list-style: none; overflow-x: auto;
  scroll-snap-type: x proximity; scroll-padding-inline: var(--gutter); margin: 0 calc(var(--gutter) * -1); padding: 2px var(--gutter) 8px;
}
.bk-days__list li { flex: none; scroll-snap-align: start; }
.bk-day {
  display: flex; flex-direction: column; align-items: center; justify-content: center; width: 60px; min-height: 72px; padding: 6px 0;
  border: 1.5px solid var(--line); border-radius: var(--radius-s); background: var(--card); color: var(--ink); text-decoration: none; font-size: .75rem; line-height: 1.25;
}
.bk-day strong { font: 700 1.25rem/1.1 var(--font-body); }
a.bk-day:hover { border-color: var(--brand); text-decoration: none; }
.bk-day.is-on { background: var(--brand); border-color: var(--brand); color: var(--on-brand); }
.bk-day.is-off { border-style: dashed; background: transparent; color: var(--muted); } /* sin opacity: el texto (12 px) necesita 4.5:1 */
.bk-days__nav {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border: 1.5px solid var(--line); border-radius: 999px;
  background: var(--card); color: var(--ink); font-weight: 600; text-decoration: none;
}
.bk-days__nav:last-child { margin-left: auto; }
.bk-dayname::first-letter { text-transform: uppercase; }
.bk-part { margin: 18px 0 10px; font-size: .8125rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.bk-slots { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 8px; }
.bk-slot {
  display: flex; align-items: center; justify-content: center; width: 100%; min-height: 48px; border: 1.5px solid var(--line);
  border-radius: var(--radius-s); background: var(--card); color: var(--ink); font: 600 1rem/1 var(--font-mono); text-decoration: none; cursor: pointer;
}
.bk-slot:hover, .bk-slot:focus-visible { border-color: var(--brand); background: color-mix(in srgb, var(--brand) 10%, var(--card)); text-decoration: none; }
.bk-empty { padding: 14px 16px; border-radius: var(--radius-s); background: var(--tint); }

/* ---------- Resumen, formulario y cita ---------- */
.bk-summary { margin: 0 0 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.bk-summary > div { display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 12px; padding: 12px 16px; border-top: 1px solid var(--line); }
.bk-summary > div:first-child { border-top: 0; }
.bk-summary dt { font-size: .9375rem; color: var(--muted); }
.bk-summary dd { margin: 0; overflow-wrap: anywhere; }
.bk-summary dd a { display: inline-flex; align-items: center; min-height: 44px; margin-left: 8px; font-weight: 600; }
.bk-summary > div:has(dd a) { padding-block: 2px; align-items: center; }
.bk-code { font-family: var(--font-mono); letter-spacing: .08em; }
.bk-form { margin-top: 8px; }
.field__error { margin: 6px 0 0; color: #B42318; font-size: .9375rem; font-weight: 600; }
.bk-form [aria-invalid="true"] { border-color: #B42318; }
.bk-legal { padding: 12px 14px; border-left: 3px solid var(--line); border-radius: 0 var(--radius-s) var(--radius-s) 0; background: var(--tint); font-size: .875rem; color: var(--ink-2); }
.bk-check { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 0 10px; align-items: start; }
.bk-check input { width: 22px; height: 22px; margin: 2px 0 0; accent-color: var(--brand); }
.bk-check label { margin: 0; }
.bk-check .field__error { grid-column: 1 / -1; }
.bk-status { display: inline-block; margin: -8px 0 20px; padding: 6px 12px; border-radius: 999px; background: var(--tint); font-size: .875rem; font-weight: 700; }
.bk-status--confirmed { background: #D1FAE5; color: #065F46; }
.bk-status--cancelled { background: #FEE4E2; color: #912018; }
.bk-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 10px; }
.bk-prose .bk-summary > div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
.bk-prose dd { color: var(--ink-2); }

@media (prefers-color-scheme: dark) {
  .field__error { color: #FDA29B; }
  .bk-form [aria-invalid="true"] { border-color: #FDA29B; }
}

@media (min-width: 640px) {
  .bk-svcs, .bk-choices { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bk-summary > div { grid-template-columns: 140px minmax(0, 1fr); }
}

@media (min-width: 760px) {
  .bk-days__list { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); margin: 0; padding: 0; overflow: visible; }
  .bk-day { width: auto; }
}

@media (min-width: 960px) {
  .bk-step { padding-block: 40px 72px; }
  .bk-home { grid-template-columns: minmax(0, 1fr) 380px; gap: 48px; align-items: start; padding-block: 40px 72px; }
  .bk-home__side { position: sticky; top: 24px; }
}