/* Avera Skin Lab — booking wizard. Uses brand tokens from the page :root. */
.bk-scrim {
  position: fixed; inset: 0; z-index: 300;
  background: oklch(0.235 0.008 70 / 0.55); backdrop-filter: blur(5px);
  display: flex; align-items: center; justify-content: center; padding: 24px;
  opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s;
}
.bk-scrim.open { opacity: 1; visibility: visible; }

.bk-panel {
  position: relative; background: var(--paper); width: 100%; max-width: 880px;
  max-height: 92vh; display: flex; flex-direction: column; overflow: hidden;
  box-shadow: 0 50px 110px -34px oklch(0.235 0.008 70 / 0.65);
  transform: translateY(18px) scale(.985); transition: transform .35s cubic-bezier(.2,.8,.2,1);
}
.bk-scrim.open .bk-panel { transform: none; }

.bk-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 30px; border-bottom: 1px solid var(--line); flex-shrink: 0;
}
.bk-head .ttl { font-family: "Cormorant Garamond", serif; font-size: 26px; font-weight: 500; }
.bk-head .x {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line);
  background: var(--paper); color: var(--ink-soft); font-size: 17px; cursor: pointer;
  display: grid; place-items: center; transition: background .2s, color .2s, border-color .2s;
}
.bk-head .x:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* Stepper */
.bk-steps { display: flex; gap: 6px; padding: 16px 30px; border-bottom: 1px solid var(--line); flex-shrink: 0; overflow-x: auto; }
.bk-steps .st { display: flex; align-items: center; gap: 9px; font-size: 12px; color: var(--ink-soft); white-space: nowrap; flex-shrink: 0; }
.bk-steps .st .dot {
  width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--line);
  display: grid; place-items: center; font-size: 12px; font-variant-numeric: tabular-nums;
  color: var(--ink-soft); background: var(--paper); transition: all .25s; flex-shrink: 0;
}
.bk-steps .st.active .dot { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.bk-steps .st.done .dot { background: var(--gold); color: var(--ink); border-color: var(--gold); }
.bk-steps .st.active { color: var(--ink); font-weight: 500; }
.bk-steps .st .sep { width: 18px; height: 1px; background: var(--line); }
.bk-steps .st:last-child .sep { display: none; }

/* Body */
.bk-body { padding: 30px; overflow-y: auto; flex: 1; }
.bk-h { font-family: "Cormorant Garamond", serif; font-size: clamp(28px, 4vw, 38px); font-weight: 500; line-height: 1.04; }
.bk-sub { color: var(--ink-soft); font-weight: 300; font-size: 15px; margin: 8px 0 24px; max-width: 56ch; }
.bk-eyebrow { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold-deep); font-weight: 600; margin-bottom: 8px; display: block; }

/* Treatment option cards */
.bk-opts { display: grid; gap: 10px; }
.bk-opt {
  display: flex; align-items: center; gap: 16px; padding: 16px 18px; cursor: pointer;
  border: 1px solid var(--line); background: var(--paper); transition: border-color .2s, background .2s; text-align: left; width: 100%;
}
.bk-opt:hover { border-color: var(--taupe); }
.bk-opt.sel { border-color: var(--ink); background: var(--paper-2); }
.bk-opt .rad { width: 19px; height: 19px; border-radius: 50%; border: 1.8px solid var(--ink-soft); background: var(--paper); flex-shrink: 0; position: relative; transition: border-color .2s; }
.bk-opt.sel .rad { border-color: var(--ink); }
.bk-opt.sel .rad::after { content: ""; position: absolute; inset: 3px; border-radius: 50%; background: var(--ink); }
.bk-opt .info { flex: 1; }
.bk-opt .info .nm { font-family: "Cormorant Garamond", serif; font-size: 21px; font-weight: 500; line-height: 1.1; }
.bk-opt .info .dur { font-size: 12.5px; color: var(--ink-soft); }
.bk-opt .pr { font-family: "Cormorant Garamond", serif; font-size: 22px; font-weight: 500; }

.bk-section-label { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold-deep); font-weight: 600; margin: 28px 0 12px; display: flex; align-items: center; gap: 9px; }
.bk-section-label::before { content: ""; width: 14px; height: 1px; background: var(--gold-deep); }

.bk-addons { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.bk-addon {
  display: flex; align-items: center; gap: 11px; padding: 12px 14px; cursor: pointer; text-align: left;
  border: 1px solid var(--line); background: var(--paper); font-size: 14px; transition: border-color .2s, background .2s;
}
.bk-addon:hover { border-color: var(--taupe); }
.bk-addon.sel { border-color: var(--ink); background: var(--paper-2); }
.bk-addon .chk { width: 19px; height: 19px; border-radius: 4px; border: 1.8px solid var(--ink-soft); background: var(--paper); flex-shrink: 0; display: grid; place-items: center; transition: all .2s; }
.bk-addon.sel .chk { background: var(--ink); border-color: var(--ink); }
.bk-addon .chk svg { width: 11px; height: 11px; stroke: var(--paper); stroke-width: 3; fill: none; opacity: 0; }
.bk-addon.sel .chk svg { opacity: 1; }
.bk-addon .nm { flex: 1; }
.bk-addon .pr { color: var(--ink-soft); font-size: 13px; }

/* Calendar */
/* Date & Time: calendar and time picker side by side (stacked on phones). */
.bk-dt { display: flex; gap: 26px; align-items: flex-start; }
.bk-dt #bkCal { flex: 0 0 400px; min-width: 0; }
.bk-dt #bkCal.bk-cal-unavail { flex: 1; }
.bk-dt .bk-slots-wrap { flex: 1; min-width: 0; margin-top: 0; max-height: 420px; overflow-y: auto; }
.bk-cal { border: 1px solid var(--line); padding: 18px; max-width: 460px; }
.bk-cal-unavail { display: flex; flex-direction: column; align-items: center; gap: 18px; padding: 34px 22px; text-align: center; }
.bk-cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.bk-cal-head .mo { font-family: "Cormorant Garamond", serif; font-size: 22px; font-weight: 500; }
.bk-cal-head button { width: 34px; height: 34px; border: 1px solid var(--line); background: var(--paper); cursor: pointer; color: var(--ink); font-size: 15px; transition: background .2s; }
.bk-cal-head button:hover:not(:disabled) { background: var(--paper-2); }
.bk-cal-head button:disabled { opacity: .3; cursor: not-allowed; }
.bk-cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.bk-cal-grid .wd { text-align: center; font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); padding: 6px 0; }
.bk-day { aspect-ratio: 1; max-height: 54px; border: 1px solid transparent; background: var(--paper-2); color: var(--ink); cursor: pointer; font-size: 14px; display: grid; place-items: center; transition: all .15s; font-variant-numeric: tabular-nums; }
.bk-day:hover:not(:disabled) { border-color: var(--ink); }
.bk-day:disabled { background: transparent; color: var(--line); cursor: not-allowed; }
.bk-day.sel { background: var(--ink); color: var(--paper); }
.bk-day.empty { background: transparent; cursor: default; }

.bk-slots-wrap { margin-top: 22px; }
.bk-slotgroup { margin-bottom: 16px; }
.bk-slots { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.bk-slot { padding: 10px 16px; border: 1px solid var(--line); background: var(--paper); cursor: pointer; font-size: 14px; font-variant-numeric: tabular-nums; transition: all .15s; }
.bk-slot:hover:not(:disabled) { border-color: var(--ink); }
.bk-slot.sel { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.bk-slot:disabled { opacity: .35; cursor: not-allowed; text-decoration: line-through; }
.bk-empty { color: var(--ink-soft); font-size: 14px; font-style: italic; font-family: "Cormorant Garamond", serif; }

/* Forms */
.bk-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.bk-field { display: flex; flex-direction: column; gap: 6px; }
.bk-field.full { grid-column: 1 / -1; }
.bk-field label { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); font-weight: 600; }
.bk-field input, .bk-field textarea {
  font-family: "Hanken Grotesk", sans-serif; font-size: 15px; color: var(--ink);
  padding: 12px 14px; border: 1px solid var(--line); background: var(--paper); transition: border-color .2s;
}
.bk-field input:focus, .bk-field textarea:focus { outline: none; border-color: var(--ink); }
.bk-field textarea { resize: vertical; min-height: 84px; }
.bk-field.err input, .bk-field.err textarea { border-color: oklch(0.55 0.13 28); }
.bk-field .msg { font-size: 12px; color: oklch(0.55 0.13 28); display: none; }
.bk-field.err .msg { display: block; }

/* Waiver */
.bk-waiver-box { border: 1px solid var(--line); background: var(--paper-2); padding: 20px 22px; max-height: 200px; overflow-y: auto; font-size: 14px; line-height: 1.6; color: var(--ink-soft); }
.bk-waiver-extra { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.bk-waiver-extra b { color: var(--ink); }
.bk-checks { display: grid; gap: 10px; margin-top: 18px; }
.bk-check { display: flex; align-items: flex-start; gap: 11px; cursor: pointer; font-size: 14px; line-height: 1.45; }
.bk-check .chk { width: 20px; height: 20px; border-radius: 4px; border: 1.8px solid var(--ink-soft); background: var(--paper); flex-shrink: 0; margin-top: 1px; display: grid; place-items: center; transition: all .2s; }
.bk-check.on .chk { background: var(--ink); border-color: var(--ink); }
.bk-check .chk svg { width: 11px; height: 11px; stroke: var(--paper); stroke-width: 3; fill: none; opacity: 0; }
.bk-check.on .chk svg { opacity: 1; }

.bk-sign-row { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; margin-top: 22px; align-items: end; }
.bk-sign { }
.bk-sign .lbl { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.bk-sign .lbl span { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); font-weight: 600; }
.bk-sign .lbl button { background: none; border: none; color: var(--gold-deep); font-size: 12px; cursor: pointer; text-decoration: underline; font-family: inherit; }
.bk-sign canvas { width: 100%; height: 130px; border: 1px solid var(--line); background: var(--paper); touch-action: none; cursor: crosshair; display: block; }
.bk-sign .hint { font-size: 11.5px; color: var(--ink-soft); margin-top: 5px; font-style: italic; }

/* Payment */
.bk-pay-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; }
.bk-square { border: 1px solid var(--line); padding: 22px; }
.bk-square-top { display: flex; align-items: center; gap: 10px; padding-bottom: 16px; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
.bk-square-top .sq { width: 26px; height: 26px; border-radius: 6px; background: var(--ink); display: grid; place-items: center; }
.bk-square-top .sq span { width: 10px; height: 10px; border-radius: 2px; border: 2px solid var(--paper); }
.bk-square-top .lbl { font-size: 13px; font-weight: 600; letter-spacing: 0.02em; }
.bk-square-top .lock { margin-left: auto; font-size: 12px; color: var(--ink-soft); }
.bk-pay-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.bk-pay-fields .full { grid-column: 1 / -1; }
.bk-summary { background: var(--paper-2); border: 1px solid var(--line); padding: 22px; align-self: start; }
.bk-summary h4 { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold-deep); font-weight: 600; margin-bottom: 14px; }
.bk-summary .li { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; padding: 7px 0; color: var(--ink-soft); }
.bk-summary .li .nm { color: var(--ink); }
.bk-summary .tot { display: flex; justify-content: space-between; border-top: 1px solid var(--line); margin-top: 8px; padding-top: 14px; font-family: "Cormorant Garamond", serif; }
.bk-summary .tot .k { font-size: 15px; align-self: center; letter-spacing: 0.02em; }
.bk-summary .tot .v { font-size: 30px; font-weight: 500; }
.bk-devnote { font-size: 11.5px; color: var(--ink-soft); margin-top: 14px; line-height: 1.5; background: var(--paper-2); border-left: 2px solid var(--gold); padding: 10px 12px; }

/* Footer */
.bk-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 30px; border-top: 1px solid var(--line); flex-shrink: 0; }
.bk-foot .running { font-size: 13px; color: var(--ink-soft); }
.bk-foot .running b { font-family: "Cormorant Garamond", serif; font-size: 22px; color: var(--ink); font-weight: 500; }
.bk-foot .acts { display: flex; gap: 12px; margin-left: auto; }
.bk-btn {
  font-family: "Hanken Grotesk", sans-serif; font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 600;
  padding: 14px 28px; background: var(--ink); color: var(--paper); border: 1px solid var(--ink); cursor: pointer; transition: background .25s, transform .2s;
}
.bk-btn:hover:not(:disabled) { background: var(--gold-deep); border-color: var(--gold-deep); transform: translateY(-1px); }
.bk-btn:disabled { opacity: .4; cursor: not-allowed; }
.bk-btn.ghost { background: transparent; color: var(--ink); }
.bk-btn.ghost:hover:not(:disabled) { background: var(--ink); color: var(--paper); transform: none; }

/* Confirmation */
.bk-confirm { text-align: center; padding: 30px 0 14px; }
.bk-confirm .seal { width: 76px; height: 76px; border-radius: 50%; background: var(--gold); display: grid; place-items: center; margin: 0 auto 22px; }
.bk-confirm .seal svg { width: 34px; height: 34px; stroke: var(--ink); stroke-width: 2.4; fill: none; }
.bk-confirm h3 { font-family: "Cormorant Garamond", serif; font-size: clamp(34px, 5vw, 46px); font-weight: 500; }
.bk-confirm .csub { color: var(--ink-soft); font-weight: 300; margin: 8px auto 26px; max-width: 40ch; }
.bk-recap { border: 1px solid var(--line); text-align: left; max-width: 420px; margin: 0 auto 18px; }
.bk-recap .row { display: flex; justify-content: space-between; gap: 16px; padding: 14px 20px; border-bottom: 1px solid var(--line); font-size: 14px; }
.bk-recap .row:last-child { border-bottom: none; }
.bk-recap .row .k { color: var(--ink-soft); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; align-self: center; }
.bk-recap .row .v { font-weight: 500; text-align: right; }
.bk-recap .row .v.ref { font-family: "Cormorant Garamond", serif; font-size: 18px; color: var(--gold-deep); }
.bk-logged { font-size: 12.5px; color: var(--ink-soft); display: inline-flex; align-items: center; gap: 8px; }
.bk-logged::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }

.bk-saved-toast { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--gold-deep); margin-top: 12px; }
.bk-saved-toast::before { content: "✓"; }

/* Language switch */
.lang-switch { display: inline-flex; align-items: center; gap: 0; border: 1px solid oklch(0.42 0.01 70); border-radius: 999px; overflow: hidden; }
.lang-switch button {
  font-family: "Hanken Grotesk", sans-serif; font-size: 11px; letter-spacing: 0.12em; font-weight: 600;
  padding: 5px 12px; background: transparent; color: oklch(0.78 0.01 82); border: none; cursor: pointer; transition: background .2s, color .2s;
}
.lang-switch button.active { background: var(--gold); color: var(--ink); }

@media (max-width: 720px) {
  .bk-scrim { padding: 0; }
  .bk-panel { max-width: 100%; max-height: 100vh; height: 100%; }
  .bk-addons, .bk-form, .bk-pay-grid, .bk-pay-fields, .bk-sign-row { grid-template-columns: 1fr; }
  .bk-dt { flex-direction: column; gap: 18px; }
  .bk-dt #bkCal { flex: none; width: 100%; }
  .bk-dt .bk-slots-wrap { max-height: none; overflow-y: visible; width: 100%; }
  .bk-body, .bk-head, .bk-foot, .bk-steps { padding-left: 20px; padding-right: 20px; }
  .bk-steps .st .lbl-txt { display: none; }
  .bk-foot .running b { font-size: 18px; }
  .bk-btn { padding: 13px 20px; }
}