/* ============================================================
   MediBook — patient booking flow
   Vanilla CSS. No build step. No framework.
   ============================================================ */

/* ---------- 1. Tokens ---------- */
/* Moved to tokens.css — shared with the staff portal. */

/* ---------- 2. Base
   Every base element rule is wrapped in :where() so it contributes zero
   specificity and can never outrank a component class. ---------- */

*, *::before, *::after { box-sizing: border-box; }

:where(html) { -webkit-text-size-adjust: 100%; }

:where(body) {
  margin: 0;
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.55;
  color: var(--ink);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
}

:where(h1, h2, h3, h4) { margin: 0; line-height: 1.2; font-weight: 650; letter-spacing: -.012em; }
:where(p) { margin: 0; }
:where(ul, ol) { margin: 0; padding: 0; list-style: none; }
:where(button, input, select, textarea) { font: inherit; color: inherit; }
:where(a) { color: var(--brand-ink); }
:where(fieldset) { margin: 0; padding: 0; border: 0; min-inline-size: 0; }
:where(legend) { padding: 0; }

/* [hidden] must beat every display utility in this file. */
[hidden] { display: none !important; }

.visually-hidden {
  position: absolute;
  inline-size: 1px; block-size: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip-path: inset(50%);
  white-space: nowrap; border: 0;
}

:where(:focus-visible) {
  outline: 3px solid var(--brand);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 3. Shell ---------- */

.shell {
  inline-size: min(100% - 2rem, var(--shell));
  margin-inline: auto;
}

.site-header {
  background: var(--surface);
  border-block-end: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: .875rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: .625rem;
  font-weight: 700;
  letter-spacing: -.02em;
  font-size: var(--step-1);
  color: var(--ink);
  text-decoration: none;
}

/* Round things state BOTH axes and flex: none — aspect-ratio alone is a
   hint that loses to any definite size, and inline-size acts as a
   flex-basis that will collapse inside a stretching flex row. */
.brand__mark {
  inline-size: 2.125rem;
  block-size: 2.125rem;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
}
.brand__mark svg { inline-size: 1.125rem; block-size: 1.125rem; }

.site-header__aside {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: .875rem;
  color: var(--ink-3);
}
.site-header__phone { white-space: nowrap; font-weight: 600; color: var(--ink-2); }

@media (max-width: 34rem) {
  .site-header__phone-label { display: none; }
}

/* ---------- 4. Stepper ---------- */

.stepper {
  --dot: 1.75rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .25rem;
  margin-block: 1.5rem 1.25rem;
  counter-reset: step;
}

.stepper__item {
  display: grid;
  /* dot · label · connector. The connector is a real cell rather than an
     absolutely-positioned ::after — as a pseudo it spanned the full remaining
     width and drew a line straight through the label text. */
  grid-template-columns: var(--dot) auto minmax(.5rem, 1fr);
  align-items: center;
  gap: .5rem;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--ink-3);
}
.stepper__item:last-child { grid-template-columns: var(--dot) auto; }

.stepper__rule {
  block-size: 2px;
  inline-size: 100%;
  background: var(--line-strong);
  border-radius: 2px;
}

.stepper__dot {
  inline-size: var(--dot);
  block-size: var(--dot);
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--line-strong);
  color: var(--ink-3);
  font-size: .8125rem;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.stepper__item[data-state="current"] { color: var(--brand-ink); }
.stepper__item[data-state="current"] .stepper__dot {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.stepper__item[data-state="done"] { color: var(--ink-2); }
.stepper__item[data-state="done"] .stepper__dot {
  background: var(--brand-soft);
  border-color: var(--brand);
  color: var(--brand-ink);
}
.stepper__item[data-state="done"] .stepper__rule { background: var(--brand-line); }

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

@media (max-width: 52rem) {
  .stepper { --dot: 1.5rem; }
  .stepper__label { display: none; }
  .stepper__item { grid-template-columns: var(--dot) minmax(.5rem, 1fr); }
  .stepper__item:last-child { grid-template-columns: var(--dot); }
}

/* ---------- 5. Layout: form + sticky summary ---------- */

.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: start;
  padding-block-end: 4rem;
}

@media (min-width: 62rem) {
  .layout { grid-template-columns: minmax(0, 1fr) 20rem; }
  .layout__aside { position: sticky; inset-block-start: 1.25rem; }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  /* Cards inside reflow on THIS width, not the viewport's. */
  container-type: inline-size;
}

.panel__head {
  padding: 1.25rem 1.25rem 0;
}
.panel__title { font-size: var(--step-2); }
.panel__sub { margin-block-start: .25rem; color: var(--ink-3); font-size: .9375rem; }
.panel__body { padding: 1.25rem; }

.panel__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: 1rem 1.25rem;
  border-block-start: 1px solid var(--line);
  background: var(--surface-2);
  border-end-start-radius: var(--radius-lg);
  border-end-end-radius: var(--radius-lg);
}

@media (max-width: 30rem) {
  .panel__head, .panel__body { padding-inline: 1rem; }
  .panel__foot { padding-inline: 1rem; }
}

/* ---------- 6. Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .6875rem 1.125rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--surface);
  color: var(--ink);
  font-weight: 600;
  font-size: .9375rem;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .15s, border-color .15s, color .15s;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* Modifiers sit BELOW the base class: same specificity, so source order
   decides, and a shorthand on .btn would otherwise win. */
.btn--primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}
.btn--primary:hover:not(:disabled) { background: var(--brand-dark); border-color: var(--brand-dark); }

.btn--ghost { border-color: var(--line-strong); color: var(--ink-2); }
.btn--ghost:hover:not(:disabled) { background: var(--surface-2); border-color: var(--ink-3); }

.btn--quiet {
  background: transparent;
  color: var(--brand-ink);
  padding-inline: .375rem;
}
.btn--quiet:hover:not(:disabled) { text-decoration: underline; }

.btn--wide { inline-size: 100%; }

/* ---------- 7. Choice cards (clinic / service / practitioner) ---------- */

.choices {
  display: grid;
  gap: .75rem;
  /* Explicit track counts, not auto-fit: sibling grids on this page must
     agree on card width, and auto-fit resolves each grid independently. */
  grid-template-columns: 1fr;
}
@container (min-width: 34rem) { .choices--2 { grid-template-columns: repeat(2, 1fr); } }
@container (min-width: 34rem) { .choices--3 { grid-template-columns: repeat(2, 1fr); } }
@container (min-width: 50rem) { .choices--3 { grid-template-columns: repeat(3, 1fr); } }

.choice { position: relative; display: block; }

.choice__input {
  position: absolute;
  inline-size: 1px; block-size: 1px;
  opacity: 0;
  pointer-events: none;
}

.choice__body {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: .25rem .75rem;
  block-size: 100%;
  padding: .875rem 1rem;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  transition: border-color .15s, background-color .15s, box-shadow .15s;
}
.choice__body:hover { border-color: var(--line-strong); background: var(--surface-2); }

.choice__input:checked + .choice__body {
  border-color: var(--brand);
  background: var(--brand-soft);
  box-shadow: inset 0 0 0 1px var(--brand);
}
.choice__input:focus-visible + .choice__body {
  outline: 3px solid var(--brand);
  outline-offset: 2px;
}
.choice__input:disabled + .choice__body {
  opacity: .55;
  cursor: not-allowed;
  background: var(--surface-2);
}

.choice__icon {
  grid-row: 1 / span 2;
  inline-size: 2.25rem;
  block-size: 2.25rem;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand-ink);
  font-weight: 700;
  font-size: .8125rem;
}
.choice__input:checked + .choice__body .choice__icon { background: var(--brand); color: #fff; }
.choice__icon svg { inline-size: 1.125rem; block-size: 1.125rem; }

.choice__name { font-weight: 650; color: var(--ink); align-self: center; }
.choice__meta { grid-column: 2; color: var(--ink-3); font-size: .8125rem; }
.choice__price {
  grid-column: 3; grid-row: 1;
  align-self: center;
  font-weight: 700;
  font-size: .875rem;
  color: var(--ink-2);
  white-space: nowrap;
}

.choice__tags { grid-column: 2 / -1; display: flex; flex-wrap: wrap; gap: .3125rem; margin-block-start: .375rem; }

/* When a card sits in a narrow track, drop the price out of its own column. */
@container (max-width: 22rem) {
  .choice__body { grid-template-columns: auto 1fr; }
  .choice__price { grid-column: 2; grid-row: auto; }
}

.tag {
  display: inline-block;
  padding: .125rem .4375rem;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--ink-3);
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .01em;
}

.section-label {
  display: block;
  font-size: .8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--brand-ink);
  margin-block-end: .625rem;
}
.section-label + .choices { margin-block-end: 1.5rem; }
.fieldset + .fieldset { margin-block-start: 1.5rem; }

/* ---------- 8. Date strip ---------- */

.datebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-block-end: .75rem;
}
.datebar__month { font-weight: 650; font-size: var(--step-1); }
.datebar__nav { display: flex; gap: .375rem; }

.iconbtn {
  inline-size: 2.25rem;
  block-size: 2.25rem;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink-2);
  cursor: pointer;
}
.iconbtn:hover:not(:disabled) { background: var(--surface-2); border-color: var(--ink-3); }
.iconbtn:disabled { opacity: .4; cursor: not-allowed; }
.iconbtn svg { inline-size: 1rem; block-size: 1rem; }

.datestrip {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: .375rem;
  margin-block-end: 1.25rem;
}

.day { position: relative; }
.day__input { position: absolute; inline-size: 1px; block-size: 1px; opacity: 0; pointer-events: none; }

.day__body {
  display: grid;
  justify-items: center;
  gap: .125rem;
  padding: .5rem .25rem .4375rem;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  transition: border-color .15s, background-color .15s;
}
.day__body:hover { border-color: var(--line-strong); background: var(--surface-2); }

.day__dow { font-size: .625rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.day__num { font-size: 1rem; font-weight: 700; color: var(--ink); line-height: 1.1; }

.day__dot {
  inline-size: .3125rem;
  block-size: .3125rem;
  flex: none;
  border-radius: 50%;
  background: var(--ok);
  margin-block-start: .125rem;
}
.day__dot[data-level="few"]  { background: #c98a12; }
.day__dot[data-level="none"] { background: var(--line-strong); }

.day__input:checked + .day__body {
  border-color: var(--brand);
  background: var(--brand);
}
.day__input:checked + .day__body .day__num { color: #fff; }
.day__input:checked + .day__body .day__dow { color: #d7ece9; }
.day__input:checked + .day__body .day__dot { background: #fff; }

.day__input:focus-visible + .day__body { outline: 3px solid var(--brand); outline-offset: 2px; }
.day__input:disabled + .day__body { opacity: .45; cursor: not-allowed; background: var(--surface-2); }

/* ---------- 9. Time slots ---------- */

.slotgroup + .slotgroup { margin-block-start: 1.125rem; }
.slotgroup__title {
  display: flex; align-items: center; gap: .5rem;
  font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  color: var(--ink-3);
  margin-block-end: .5rem;
}
.slotgroup__count { font-weight: 600; text-transform: none; letter-spacing: 0; color: var(--ink-3); }

.slots {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .5rem;
}
@container (min-width: 30rem) { .slots { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@container (min-width: 44rem) { .slots { grid-template-columns: repeat(6, minmax(0, 1fr)); } }

.slot { position: relative; }
.slot__input { position: absolute; inline-size: 1px; block-size: 1px; opacity: 0; pointer-events: none; }

.slot__body {
  display: grid;
  place-items: center;
  padding: .5625rem .25rem;
  border: 1.5px solid var(--brand-line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--brand-ink);
  font-weight: 650;
  font-size: .875rem;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color .15s, background-color .15s, color .15s;
}
.slot__body:hover { background: var(--brand-soft); border-color: var(--brand); }

.slot__input:checked + .slot__body { background: var(--brand); border-color: var(--brand); color: #fff; }
.slot__input:focus-visible + .slot__body { outline: 3px solid var(--brand); outline-offset: 2px; }
.slot__input:disabled + .slot__body {
  background: var(--surface-2);
  border-color: var(--line);
  color: #8b97a6;
  cursor: not-allowed;
  text-decoration: line-through;
}

.empty {
  display: grid;
  justify-items: center;
  gap: .375rem;
  padding: 2rem 1rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface-2);
  text-align: center;
  color: var(--ink-3);
}
.empty strong { color: var(--ink-2); }

/* ---------- 10. Form fields ---------- */

.grid-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@container (min-width: 34rem) { .grid-fields { grid-template-columns: repeat(2, 1fr); } }
.field--full { grid-column: 1 / -1; }

.field { display: grid; gap: .3125rem; }
.field__label { font-weight: 650; font-size: .875rem; color: var(--ink-2); }
.field__req { color: var(--danger); }
.field__hint { font-size: .78125rem; color: var(--ink-3); }

.input, .select, .textarea {
  inline-size: 100%;
  padding: .625rem .75rem;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgb(15 118 110 / .18);
}
.textarea { min-block-size: 5rem; resize: vertical; }
.select { appearance: none; padding-inline-end: 2.25rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%235b6b7f' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  background-size: 1rem;
}

.error-msg {
  display: none;
  align-items: center;
  gap: .375rem;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--danger);
}

/* Errors appear only after the user has committed to a value — :user-invalid,
   never :invalid, which fires the moment an empty required field is focused. */
.input:user-invalid,
.select:user-invalid,
.textarea:user-invalid,
.input.is-invalid {
  border-color: var(--danger);
  background: var(--danger-soft);
}
.input:user-invalid ~ .error-msg,
.select:user-invalid ~ .error-msg,
.textarea:user-invalid ~ .error-msg,
.input.is-invalid ~ .error-msg { display: flex; }

.input:user-valid, .select:user-valid { border-color: #6fae9f; }

.checkline {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .625rem;
  align-items: start;
  padding: .75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  cursor: pointer;
}
.checkline input { inline-size: 1.125rem; block-size: 1.125rem; flex: none; margin: .125rem 0 0; accent-color: var(--brand); }
.checkline__text { font-size: .875rem; color: var(--ink-2); }
.checkline__text strong { color: var(--ink); }

/* ---------- 11. Summary card ---------- */

.summary {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  container-type: inline-size;
}
.summary__head {
  padding: .875rem 1.125rem;
  background: var(--brand);
  color: #fff;
}
.summary__head h2 { font-size: .9375rem; letter-spacing: .01em; }
.summary__head p { font-size: .8125rem; color: #cfe7e4; margin-block-start: .125rem; }

.summary__body { padding: 1rem 1.125rem; display: grid; gap: .75rem; }

.summary__row {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: .25rem .75rem;
  align-items: baseline;
  font-size: .875rem;
}
.summary__key { color: var(--ink-3); font-size: .78125rem; font-weight: 650; text-transform: uppercase; letter-spacing: .04em; }
.summary__val { color: var(--ink); font-weight: 600; overflow-wrap: anywhere; }
.summary__val--muted { color: var(--ink-3); font-weight: 500; font-style: italic; }

/* Padding compounds panel → aside → card; at narrow widths the value column
   gets squeezed, so stack instead of holding a fixed key column. */
@container (max-width: 17rem) {
  .summary__row { grid-template-columns: 1fr; }
}

.summary__total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
  padding: .75rem 1.125rem;
  border-block-start: 1px solid var(--line);
  background: var(--surface-2);
}
.summary__total dt { font-size: .8125rem; font-weight: 650; color: var(--ink-2); }
.summary__total dd { margin: 0; font-size: var(--step-1); font-weight: 750; color: var(--brand-ink); }

.summary__note {
  padding: .75rem 1.125rem;
  border-block-start: 1px solid var(--line);
  font-size: .78125rem;
  color: var(--ink-3);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .5rem;
  align-items: start;
}
.summary__note svg { inline-size: 1rem; block-size: 1rem; flex: none; color: var(--brand-ink); margin-block-start: .0625rem; }

/* ---------- 12. Review + confirmation ---------- */

.review {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.review__row {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr) auto;
  gap: .25rem .75rem;
  align-items: baseline;
  padding: .8125rem 1rem;
  background: var(--surface);
}
.review__row + .review__row { border-block-start: 1px solid var(--line); }
.review__key { font-size: .78125rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); }
.review__val { color: var(--ink); font-weight: 600; overflow-wrap: anywhere; }
.review__val small { display: block; font-weight: 500; color: var(--ink-3); }

@container (max-width: 30rem) {
  .review__row { grid-template-columns: minmax(0, 1fr) auto; }
  .review__key { grid-column: 1 / -1; }
}

.callout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .625rem;
  padding: .875rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--brand-line);
  background: var(--brand-soft);
  font-size: .875rem;
  color: var(--ink-2);
  margin-block-start: 1rem;
}
.callout svg { inline-size: 1.125rem; block-size: 1.125rem; flex: none; color: var(--brand-ink); margin-block-start: .0625rem; }
.callout strong { color: var(--ink); }

.done { display: grid; justify-items: center; text-align: center; gap: .75rem; padding: 1.5rem .5rem .5rem; }
.done__mark {
  inline-size: 3.75rem;
  block-size: 3.75rem;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ok-soft);
  color: var(--ok);
}
.done__mark svg { inline-size: 2rem; block-size: 2rem; }
.done__title { font-size: var(--step-3); }
.done__sub { color: var(--ink-3); max-inline-size: 34rem; }

.refbox {
  display: grid;
  justify-items: center;
  gap: .1875rem;
  padding: .75rem 1.5rem;
  border: 1.5px dashed var(--brand-line);
  border-radius: var(--radius);
  background: var(--brand-soft);
  margin-block-start: .25rem;
}
.refbox span { font-size: .6875rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--brand-ink); }
.refbox strong { font-size: var(--step-2); font-weight: 750; letter-spacing: .04em; color: var(--ink); font-variant-numeric: tabular-nums; }

.done__actions { display: flex; flex-wrap: wrap; gap: .625rem; justify-content: center; margin-block-start: .75rem; }

/* ---------- 13. Sticky mobile action bar ---------- */

.actionbar {
  position: sticky;
  inset-block-end: 0;
  z-index: 5;
  display: none;
  gap: .625rem;
  padding: .75rem 1rem calc(.75rem + env(safe-area-inset-bottom));
  background: var(--surface);
  border-block-start: 1px solid var(--line);
  box-shadow: 0 -4px 16px rgb(15 23 42 / .07);
  margin-inline: -1rem;
}
@media (max-width: 62rem) {
  .actionbar:not([hidden]) { display: flex; }
  .panel__foot { display: none; }
}
.actionbar .btn { flex: 1; }
.actionbar .btn--ghost { flex: 0 0 auto; }

.footnote {
  text-align: center;
  color: var(--ink-3);
  font-size: .8125rem;
  padding-block: 1.5rem 2.5rem;
}