/* The booking card: bar, details, modes, actions, confirmation, outage. */

.card {
  position: relative;
  width: 100%;
  max-width: var(--card-max);
  justify-self: end;
  border-radius: var(--r-card);
  background: var(--card);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
}

.card::before {
  /* one soft edge, not a hairline: an inset glow that reads as glass */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 1px var(--card-edge) inset;
  pointer-events: none;
}

.card__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 12px 22px;
  background: var(--card-bar);
  font-size: var(--fs-sm);
}

.card__title { font-weight: 500; }
.card__role { color: var(--ink-3); font-weight: 400; margin-left: 6px; }
.card__duration { color: var(--ink-3); font-variant-numeric: tabular-nums; }

.card__body {
  display: grid;
  gap: 14px;
  padding: 18px 22px 20px;
}

/* Details */
.details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 12px;
  padding-bottom: 6px;
}

.field { position: relative; display: grid; min-width: 0; }

.field__label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-3);
  padding-left: 18px;
}

.field__input {
  width: 100%;
  min-height: 42px;
  padding: 0 18px;
  border: 0;
  border-radius: var(--r-field);
  background: var(--field);
  color: var(--ink);
  transition: background var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.field__input::placeholder { color: var(--ink-4); }
.field__input:hover { background: var(--field-hover); }
.field__input:focus { outline: none; background: var(--field-focus); box-shadow: 0 0 0 2px var(--accent-ring); }
.field--invalid .field__input { box-shadow: 0 0 0 2px var(--danger); }

/* Sits in the gap beneath the pill so an error never changes the card's height (the card is centred; growth would move it). */
.field__error {
  position: absolute;
  top: 100%;
  left: 18px;
  right: 4px;
  margin-top: 1px;
  font-size: var(--fs-xs);
  line-height: 1.2;
  color: var(--danger);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
}

.field--trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Modes */
.modes { display: grid; gap: 6px; }

.modes__legend {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ink-3);
  padding-left: 18px;
  margin-bottom: 2px;
}

.modes__options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; min-height: 40px; }

.mode {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-height: 40px;
  padding: 8px 16px;
  border-radius: 14px;
  background: var(--field);
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.mode:hover { background: var(--field-hover); }
.mode input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.mode__label { font-weight: 500; font-size: var(--fs-sm); }
.mode__desc { font-size: var(--fs-xs); color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mode:has(input:checked) { background: var(--accent-soft); box-shadow: 0 0 0 2px var(--accent-ring) inset; }
.mode:has(input:focus-visible) { box-shadow: 0 0 0 2px var(--accent) inset; }
.mode:active { transform: scale(0.985); }

/* Actions */
.card__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.card__summary { font-size: var(--fs-sm); color: var(--ink-2); }

.book {
  position: relative;
  min-width: 120px;
  min-height: 42px;
  padding: 0 26px;
  border: 0;
  border-radius: var(--r-btn);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  box-shadow: var(--shadow-btn);
  transition: background var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.book:hover:not(:disabled) { background: var(--accent-strong); }
.book:active:not(:disabled) { transform: scale(0.97); }
.book:disabled { opacity: 0.38; box-shadow: none; cursor: not-allowed; }
.book.is-busy .book__label { visibility: hidden; }
.book__spinner {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  opacity: 0;
}
.book.is-busy .book__spinner { opacity: 1; animation: spin 0.8s linear infinite; }

.card__error {
  padding: 12px 18px;
  border-radius: 14px;
  background: var(--danger-soft);
  color: #ffb7b2;
  font-size: var(--fs-sm);
}

/* Confirmation and outage panels */
.confirm, .unavailable {
  display: grid;
  gap: 10px;
  padding: 40px 32px 36px;
  text-align: center;
  justify-items: center;
}

.confirm__mark {
  display: grid;
  place-items: center;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--ok-soft);
  color: var(--ok);
  margin-bottom: 6px;
}

.confirm__heading, .unavailable__heading { font-size: var(--fs-xl); font-weight: 500; letter-spacing: -0.01em; }
.confirm__when { font-size: var(--fs-lg); font-weight: 500; }
.confirm__mode { color: var(--ink-2); }
.confirm__body, .unavailable__body { color: var(--ink-2); max-width: 44ch; }
.confirm__fallback { margin-top: 12px; font-size: var(--fs-xs); color: var(--ink-3); max-width: 44ch; }

.confirm__meet {
  display: inline-block;
  margin-top: 10px;
  padding: 12px 22px;
  border-radius: var(--r-btn);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  text-decoration: none;
}

.unavailable__retry {
  margin-top: 8px;
  padding: 12px 22px;
  border: 0;
  border-radius: var(--r-btn);
  background: var(--chip);
  color: var(--ink);
  font-weight: 500;
}

@media (max-width: 640px) {
  .card { justify-self: stretch; border-radius: 18px; }
  .card__bar { padding: 14px 18px; }
  .card__body { padding: 18px; gap: 22px; }
  .details { grid-template-columns: 1fr; }
  .field__input { min-height: 48px; }
  .mode { min-height: 48px; flex-direction: column; align-items: flex-start; justify-content: center; gap: 2px; }
  .mode__desc { white-space: normal; }
  .modes__options { grid-template-columns: 1fr; }
  .card__actions { flex-direction: column; align-items: stretch; }
  .card__summary { text-align: center; }
  .book { width: 100%; min-height: 52px; }
}