/* Biang Reykjavík — booking modal. Uses the site's design tokens (:root) and
   defines its own fallbacks so it also works on the standalone admin page. */
.bk-overlay {
  --bk-ink: var(--ink, #0b0a08);
  --bk-surface: var(--surface, #15130f);
  --bk-elevated: var(--elevated, #1d1a14);
  --bk-red: var(--cinnabar, #c8402c);
  --bk-lacquer: var(--lacquer, #7e2a1e);
  --bk-gold: var(--gold, #c9a45c);
  --bk-gold-dim: var(--gold-dim, #8c7440);
  --bk-paper: var(--paper, #f3ecdd);
  --bk-paper-dim: var(--paper-dim, #b8ae9b);
  --bk-paper-mute: var(--paper-mute, #8e8574);
  --bk-line: var(--line, rgba(201, 164, 92, 0.18));
  --bk-radius: var(--radius, 4px);
  --bk-radius-lg: var(--radius-lg, 8px);
  --bk-display: var(--font-display, "Fraunces", "Times New Roman", serif);
  --bk-body: var(--font-body, "DM Sans", system-ui, sans-serif);
  --bk-zh: var(--font-zh, "Noto Serif SC", serif);

  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(0.75rem, 3vw, 2.5rem) clamp(0.5rem, 2vw, 1.5rem);
  background: rgba(11, 10, 8, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow-y: auto;
  overscroll-behavior: contain;
  font-family: var(--bk-body);
  color: var(--bk-paper-dim);
  line-height: 1.55;
}
.bk-overlay.is-open {
  display: flex;
}
.bk-dialog {
  position: relative;
  width: min(100%, 1060px);
  margin: auto;
  background: var(--bk-surface);
  border: 1px solid var(--bk-line);
  border-radius: var(--bk-radius-lg);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.55);
  padding: clamp(1.25rem, 3vw, 2.5rem);
  animation: bk-in 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes bk-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .bk-dialog {
    animation: none;
  }
}
.bk-close {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--bk-line);
  border-radius: 999px;
  background: transparent;
  color: var(--bk-paper-dim);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.3s, border-color 0.3s;
}
.bk-close:hover {
  color: var(--bk-gold);
  border-color: var(--bk-gold-dim);
}
.bk-eyebrow {
  display: flex;
  align-items: baseline;
  gap: 0.75em;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bk-gold);
  margin: 0;
}
.bk-eyebrow .zh {
  font-family: var(--bk-zh);
  letter-spacing: 0.1em;
}
.bk-title {
  font-family: var(--bk-display);
  font-weight: 400;
  font-size: clamp(1.9rem, 1.3rem + 2.4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--bk-paper);
  margin: 0.4rem 0 0;
}
.bk-lead {
  margin: 0.6rem 0 0;
  max-width: 44ch;
  color: var(--bk-paper-dim);
}
.bk-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}
@media (min-width: 900px) {
  .bk-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
  .bk-side {
    position: sticky;
    top: 0;
  }
}
.bk-steps {
  display: grid;
  gap: clamp(1.25rem, 2.5vw, 2rem);
}
.bk-step-title {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--bk-display);
  font-weight: 400;
  font-size: 1.35rem;
  color: var(--bk-paper);
  margin: 0 0 0.85rem;
}
.bk-step-title .n {
  display: grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 999px;
  background: var(--bk-red);
  color: var(--bk-paper);
  font-family: var(--bk-body);
  font-size: 0.8rem;
  font-weight: 500;
}
.bk-muted {
  opacity: 0.35;
  pointer-events: none;
}
.bk-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.bk-pill,
.bk-slot,
.bk-day {
  font-family: var(--bk-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--bk-paper-dim);
  background: transparent;
  border: 1px solid var(--bk-line);
  border-radius: var(--bk-radius);
  cursor: pointer;
  transition: background-color 0.25s, color 0.25s, border-color 0.25s;
}
.bk-pill {
  min-width: 2.75rem;
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
}
.bk-pill:hover,
.bk-slot:hover:not(:disabled),
.bk-day:hover:not(:disabled) {
  border-color: var(--bk-gold-dim);
  color: var(--bk-paper);
}
.bk-pill[aria-pressed="true"],
.bk-slot[aria-pressed="true"],
.bk-day[aria-selected="true"] {
  background: var(--bk-gold);
  border-color: var(--bk-gold);
  color: var(--bk-ink);
}
.bk-note {
  margin: 0.85rem 0 0;
  padding: 0.75rem 1rem;
  background: var(--bk-elevated);
  border-left: 2px solid var(--bk-gold-dim);
  border-radius: var(--bk-radius);
  font-size: 0.9rem;
}
.bk-note a,
.bk-link {
  color: var(--bk-gold);
  border-bottom: 1px solid var(--bk-gold-dim);
  text-decoration: none;
}
.bk-cal {
  max-width: 460px;
}
.bk-cal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}
.bk-cal-head p {
  margin: 0;
  font-family: var(--bk-display);
  font-size: 1.1rem;
  color: var(--bk-paper);
  text-transform: capitalize;
}
.bk-cal-nav {
  width: 2.2rem;
  height: 2.2rem;
  border: 1px solid var(--bk-line);
  border-radius: 999px;
  background: transparent;
  color: var(--bk-paper-dim);
  cursor: pointer;
  font-size: 1rem;
}
.bk-cal-nav:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}
.bk-cal-nav:hover:not(:disabled) {
  color: var(--bk-gold);
  border-color: var(--bk-gold-dim);
}
.bk-weekdays,
.bk-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.3rem;
}
.bk-weekdays span {
  text-align: center;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bk-paper-mute);
  padding: 0.3rem 0;
}
.bk-day {
  position: relative;
  aspect-ratio: 1;
  font-variant-numeric: tabular-nums;
}
.bk-day:disabled {
  color: var(--bk-paper-mute);
  opacity: 0.4;
  text-decoration: line-through;
  cursor: not-allowed;
}
.bk-day .dot {
  position: absolute;
  left: 50%;
  bottom: 0.3rem;
  width: 4px;
  height: 4px;
  margin-left: -2px;
  border-radius: 999px;
  background: var(--bk-red);
}
.bk-slots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
}
@media (min-width: 560px) {
  .bk-slots {
    grid-template-columns: repeat(4, 1fr);
  }
}
.bk-slot {
  padding: 0.65rem 0.4rem;
  font-variant-numeric: tabular-nums;
}
.bk-slot:disabled {
  color: var(--bk-paper-mute);
  opacity: 0.4;
  text-decoration: line-through;
  cursor: not-allowed;
}
.bk-hint {
  margin: 0;
  font-size: 0.9rem;
  color: var(--bk-paper-mute);
}

/* Details form */
.bk-form {
  background: var(--bk-elevated);
  border: 1px solid var(--bk-line);
  border-radius: var(--bk-radius-lg);
  padding: clamp(1.1rem, 2.5vw, 1.75rem);
  display: grid;
  gap: 0.9rem;
  transition: opacity 0.3s;
}
.bk-form.is-waiting {
  opacity: 0.55;
}
.bk-summary {
  margin: 0;
  padding: 0.75rem 1rem;
  background: var(--bk-surface);
  border-radius: var(--bk-radius);
  font-size: 0.9rem;
}
.bk-summary strong {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bk-gold);
  font-weight: 500;
  margin-bottom: 0.2rem;
}
.bk-field {
  display: grid;
  gap: 0.35rem;
  font-size: 0.85rem;
}
.bk-field > span {
  color: var(--bk-paper-dim);
}
.bk-field input,
.bk-field textarea,
.bk-field select {
  width: 100%;
  box-sizing: border-box;
  font: inherit;
  font-family: var(--bk-body);
  font-size: 1rem;
  color: var(--bk-paper);
  background: var(--bk-surface);
  border: 1px solid var(--bk-line);
  border-radius: var(--bk-radius);
  padding: 0.7rem 0.9rem;
  outline: none;
  transition: border-color 0.25s;
}
.bk-field input:focus,
.bk-field textarea:focus,
.bk-field select:focus {
  border-color: var(--bk-gold);
}
.bk-field textarea {
  resize: vertical;
  min-height: 4.5rem;
}
.bk-field .err {
  color: var(--bk-gold);
  font-size: 0.8rem;
}
.bk-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.bk-alert {
  margin: 0;
  padding: 0.75rem 1rem;
  border-radius: var(--bk-radius);
  background: rgba(200, 64, 44, 0.18);
  border: 1px solid rgba(200, 64, 44, 0.4);
  color: var(--bk-paper);
  font-size: 0.9rem;
}
.bk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-family: var(--bk-body);
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.95em 1.9em;
  border-radius: var(--bk-radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.3s, color 0.3s, border-color 0.3s, opacity 0.3s;
}
.bk-btn-solid {
  background: var(--bk-gold);
  color: var(--bk-ink);
}
.bk-btn-solid:hover {
  background: var(--bk-paper);
}
.bk-btn-ghost {
  border-color: var(--bk-gold-dim);
  color: var(--bk-gold);
  background: transparent;
}
.bk-btn-ghost:hover {
  border-color: var(--bk-gold);
  color: var(--bk-paper);
}
.bk-btn-danger {
  background: var(--bk-red);
  color: var(--bk-paper);
}
.bk-btn-danger:hover {
  background: var(--bk-lacquer);
}
.bk-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.bk-fine {
  margin: 0;
  font-size: 0.75rem;
  color: var(--bk-paper-mute);
}

/* Ticket (confirmation + manage) */
.bk-ticket {
  max-width: 640px;
  margin: clamp(1.25rem, 3vw, 2rem) auto 0;
  background: var(--bk-elevated);
  border: 1px solid var(--bk-line);
  border-radius: var(--bk-radius-lg);
  overflow: hidden;
}
.bk-ticket-head {
  padding: clamp(1.25rem, 3vw, 2rem);
  border-bottom: 1px dashed var(--bk-line);
  text-align: center;
}
.bk-ticket-head .bk-title {
  font-size: clamp(1.8rem, 1.2rem + 2vw, 2.6rem);
}
.bk-ticket-head p {
  margin: 0.6rem auto 0;
  max-width: 42ch;
}
.bk-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem 1.5rem;
  margin: 0;
  padding: clamp(1.1rem, 3vw, 1.75rem) clamp(1.25rem, 3vw, 2rem);
}
@media (min-width: 560px) {
  .bk-facts {
    grid-template-columns: repeat(4, 1fr);
  }
  .bk-facts.is-wide {
    grid-template-columns: repeat(3, 1fr);
  }
}
.bk-facts dt {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bk-paper-mute);
}
.bk-facts dd {
  margin: 0.2rem 0 0;
  color: var(--bk-paper);
  font-weight: 500;
}
.bk-facts dd.mono {
  font-family: ui-monospace, Menlo, monospace;
  letter-spacing: 0.08em;
}
.bk-facts .span-all {
  grid-column: 1 / -1;
}
.bk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  padding: 0 clamp(1.25rem, 3vw, 2rem) clamp(1.25rem, 3vw, 2rem);
}
.bk-ticket-foot {
  padding: 0.85rem clamp(1.25rem, 3vw, 2rem);
  background: var(--bk-surface);
  font-size: 0.78rem;
  color: var(--bk-paper-mute);
}
.bk-status {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  background: rgba(201, 164, 92, 0.18);
  color: var(--bk-gold);
}
.bk-status.is-pending {
  background: rgba(200, 64, 44, 0.18);
  color: #e6a091;
}
.bk-status.is-off {
  background: rgba(184, 174, 155, 0.15);
  color: var(--bk-paper-mute);
}
.bk-cancel {
  margin-top: 1.25rem;
  padding: clamp(1.1rem, 3vw, 1.5rem);
  border: 1px solid var(--bk-line);
  border-radius: var(--bk-radius-lg);
}
.bk-cancel h3 {
  font-family: var(--bk-display);
  font-weight: 400;
  color: var(--bk-paper);
  margin: 0 0 0.4rem;
  font-size: 1.3rem;
}
.bk-cancel p {
  margin: 0 0 0.4rem;
  font-size: 0.9rem;
}
.bk-cancel .bk-actions {
  padding: 0.9rem 0 0;
}
.bk-loading {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--bk-paper-mute);
}
body.bk-locked {
  overflow: hidden;
}