/* =========================================================================
   booking-calendar.css — custom calendar atom (booking-calendar-anna).
   KK dark theme — duotone fiolet (--accent-primary) + szafir (--accent-cyan),
   spojne z hero panelu (linear-gradient 135deg purple→cyan).
   F1.7-alt, decyzja Arkadiusz 2026-05-06; uplift szafir 2026-05-07.
   ========================================================================= */

.bca-root {
  display: flex;
  flex-direction: column;
  gap: 16px;
  font: inherit;
  color: var(--text-primary);
  /* Subtelny duotone backdrop — purple top-left, cyan bottom-right */
  background:
    radial-gradient(circle at 8% 0%, rgba(168,85,247,0.08), transparent 40%),
    radial-gradient(circle at 100% 100%, rgba(56,189,248,0.06), transparent 45%);
  border-radius: var(--radius-md);
  padding: 4px;
  margin: -4px;
}

/* ===== Stepper ===== */
.bca-stepper {
  display: flex;
  gap: 6px;
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex-wrap: wrap;
}
.bca-stepper__step {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--bg-border);
  background: rgba(255,255,255,0.02);
  transition: all var(--duration-micro) var(--ease-standard);
}
.bca-stepper__step--active {
  /* Active step: gradient border-glow purple→cyan */
  border-color: rgba(168,85,247,0.50);
  color: var(--accent-soft);
  background: linear-gradient(135deg, rgba(168,85,247,0.14), rgba(56,189,248,0.10));
  box-shadow: 0 0 12px rgba(168,85,247,0.18), 0 0 18px rgba(56,189,248,0.10);
}

/* ===== Section headers ===== */
.bca-section-title {
  font-size: var(--fs-base);
  margin: 0 0 4px;
  color: var(--text-primary);
  font-weight: 600;
}
.bca-section-hint {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  margin: 0 0 12px;
  line-height: var(--lh-relaxed);
}

/* ===== Day picker ===== */
.bca-days {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
}
.bca-day {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
  padding: 14px 10px;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  text-align: center;
  transition: all var(--duration-micro) var(--ease-standard);
  font-family: inherit;
  position: relative;
  overflow: hidden;
}
.bca-day::before {
  /* Subtelny szafir glow on hover, baseline 0 */
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 100%, rgba(56,189,248,0.18), transparent 70%);
  opacity: 0;
  transition: opacity var(--duration-micro) var(--ease-standard);
  pointer-events: none;
}
.bca-day__dow {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
  font-weight: 600;
  position: relative;
}
.bca-day__date {
  font-size: var(--fs-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  position: relative;
}
.bca-day__month {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  position: relative;
}
.bca-day:hover:not([disabled]) {
  border-color: rgba(168,85,247,0.55);
  background: linear-gradient(180deg, rgba(168,85,247,0.10), rgba(56,189,248,0.04));
  transform: translateY(-1px);
}
.bca-day:hover:not([disabled])::before { opacity: 1; }
.bca-day--selected {
  border-color: var(--accent-primary);
  background: linear-gradient(135deg, rgba(168,85,247,0.20), rgba(56,189,248,0.10));
  box-shadow:
    0 0 0 1px rgba(168,85,247,0.45),
    0 0 18px rgba(168,85,247,0.20),
    0 0 24px rgba(56,189,248,0.12);
}
.bca-day--selected .bca-day__dow { color: var(--accent-soft); }
.bca-day--selected .bca-day__month { color: var(--accent-cyan); }
.bca-day[disabled] {
  opacity: 0.35;
  cursor: not-allowed;
}
.bca-day--weekend {
  opacity: 0.3;
  cursor: not-allowed;
}
.bca-day--weekend .bca-day__dow { color: var(--text-tertiary); }

/* ===== Slot picker ===== */
.bca-slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 8px;
  max-height: 320px;
  overflow-y: auto;
  padding: 4px;
  margin: 0 -4px;
}
.bca-slot {
  padding: 11px 8px;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-pill);
  color: var(--text-primary);
  cursor: pointer;
  font-size: var(--fs-sm);
  font-weight: 600;
  text-align: center;
  transition: all var(--duration-micro) var(--ease-standard);
  font-family: inherit;
  letter-spacing: 0.02em;
}
.bca-slot:hover:not([disabled]) {
  border-color: rgba(56,189,248,0.50);
  background: linear-gradient(180deg, rgba(56,189,248,0.10), rgba(168,85,247,0.04));
  color: var(--accent-cyan);
  transform: translateY(-1px);
}
.bca-slot--selected {
  border-color: var(--accent-cyan);
  background: linear-gradient(135deg, rgba(56,189,248,0.22), rgba(168,85,247,0.12));
  color: #ffffff;
  box-shadow: 0 0 0 1px rgba(56,189,248,0.40), 0 0 16px rgba(56,189,248,0.20);
}
.bca-slot[disabled] {
  opacity: 0.28;
  cursor: not-allowed;
  text-decoration: line-through;
  text-decoration-color: rgba(255,255,255,0.25);
}

.bca-slots-empty {
  padding: 24px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: var(--fs-sm);
  border: 1px dashed var(--bg-border);
  border-radius: var(--radius-md);
  background: rgba(56,189,248,0.03);
}

/* ===== Confirm form ===== */
.bca-summary {
  background: linear-gradient(135deg, rgba(168,85,247,0.10), rgba(56,189,248,0.06));
  border: 1px solid rgba(168,85,247,0.30);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
  position: relative;
  overflow: hidden;
}
.bca-summary::after {
  content: '';
  position: absolute;
  right: -40px; top: -40px;
  width: 140px; height: 140px;
  background: radial-gradient(circle, rgba(56,189,248,0.18), transparent 70%);
  pointer-events: none;
}
.bca-summary__label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  font-weight: 600;
}
.bca-summary__value {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.bca-summary__value--small {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  font-weight: 400;
}

.bca-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.bca-form__row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.bca-form__label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  font-weight: 600;
}
.bca-form__input,
.bca-form__textarea {
  width: 100%;
  padding: 10px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: var(--fs-sm);
  box-sizing: border-box;
  transition: border-color var(--duration-micro) var(--ease-standard), box-shadow var(--duration-micro) var(--ease-standard);
}
.bca-form__textarea {
  resize: vertical;
  min-height: 64px;
}
.bca-form__input:focus,
.bca-form__textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(56,189,248,0.18);
}

/* ===== Actions row ===== */
.bca-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: space-between;
  align-items: center;
  margin-top: 4px;
}
.bca-actions--end { justify-content: flex-end; }
.bca-back {
  background: transparent;
  border: 1px solid var(--bg-border);
  color: var(--text-secondary);
  padding: 9px 14px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-size: var(--fs-sm);
  font-family: inherit;
  transition: all var(--duration-micro) var(--ease-standard);
}
.bca-back:hover {
  color: var(--accent-cyan);
  border-color: rgba(56,189,248,0.45);
  background: rgba(56,189,248,0.06);
}

/* ===== Loading + error states ===== */
.bca-status {
  padding: 32px 24px;
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}
.bca-spinner {
  width: 32px;
  height: 32px;
  border: 2px solid rgba(168,85,247,0.20);
  border-top-color: var(--accent-primary);
  border-right-color: var(--accent-cyan);
  border-radius: 50%;
  animation: bca-spin 0.9s linear infinite;
}
@keyframes bca-spin { to { transform: rotate(360deg); } }

.bca-error {
  padding: 16px;
  border: 1px solid rgba(239,68,68,0.30);
  background: rgba(239,68,68,0.06);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--fs-sm);
}
.bca-error__title { font-weight: 600; margin-bottom: 4px; }
.bca-error__hint { color: var(--text-secondary); font-size: var(--fs-xs); margin-top: 6px; }

/* ===== Done view ===== */
.bca-done {
  padding: 28px 16px 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(56,189,248,0.10), transparent 60%),
    radial-gradient(circle at 50% 100%, rgba(168,85,247,0.06), transparent 60%);
  border-radius: var(--radius-md);
}
.bca-done__check {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(34,197,94,0.18), rgba(56,189,248,0.10));
  border: 2px solid rgba(34,197,94,0.50);
  color: rgb(74,222,128);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  font-weight: 700;
  box-shadow: 0 0 0 4px rgba(34,197,94,0.08), 0 6px 20px rgba(34,197,94,0.16);
}
.bca-done__title {
  font-size: var(--fs-xl);
  margin: 0;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.bca-done__details {
  background: linear-gradient(135deg, rgba(168,85,247,0.10), rgba(56,189,248,0.06));
  border: 1px solid rgba(56,189,248,0.30);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: var(--fs-sm);
  color: var(--text-primary);
  display: inline-block;
  line-height: var(--lh-relaxed);
}
.bca-done__details strong { color: var(--accent-cyan); font-size: var(--fs-base); }
.bca-done__hint {
  color: var(--text-tertiary);
  font-size: var(--fs-xs);
  line-height: var(--lh-relaxed);
  max-width: 420px;
}

/* ===== Mobile tweaks ===== */
@media (max-width: 480px) {
  .bca-days { grid-template-columns: repeat(2, 1fr); }
  .bca-slots { grid-template-columns: repeat(3, 1fr); }
  .bca-summary__value { font-size: var(--fs-base); }
}