/* ══════════════════════════════════════════════════
   Smart Booking – Frontend  (Nail Salon Aesthetic)
   ══════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300&family=DM+Sans:wght@300;400;500&display=swap');

.sb-booking-wrapper {
  --sb-bg:      #f5e9e2;
  --sb-rose:    #8b2252;
  --sb-rose-l:  #c46b8a;
  --sb-pink:    #f0d0d8;
  --sb-cream:   #fdf5f0;
  --sb-white:   #ffffff;
  --sb-ink:     #2d1a24;
  --sb-muted:   #a07080;
  --sb-border:  #e8c8d0;
  --sb-success: #5a7c5a;
  --sb-error:   #c0392b;
  --sb-radius:  12px;
  --sb-card-r:  16px;

  font-family: 'DM Sans', -apple-system, sans-serif;
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 20px 80px;
  color: var(--sb-ink);
  background: transparent;
  box-sizing: border-box;
}
.sb-booking-wrapper *, .sb-booking-wrapper *::before, .sb-booking-wrapper *::after {
  box-sizing: border-box;
}

/* ── Header ── */
.sb-booking-header { text-align: center; margin-bottom: 40px; }
.sb-booking-label {
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--sb-rose-l); font-weight: 500; margin-bottom: 10px;
}
.sb-booking-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(28px, 5vw, 46px);
  font-weight: 300; color: var(--sb-rose);
  line-height: 1.1; letter-spacing: 0.01em; margin: 0 0 10px;
}
.sb-booking-sub { color: var(--sb-muted); font-size: 14px; font-weight: 300; margin: 0; }

/* ── Step Nav ── */
.sb-steps-nav {
  display: flex; align-items: center; justify-content: center;
  gap: 0; margin-bottom: 36px; flex-wrap: wrap;
}
.sb-step-item { display: flex; align-items: center; gap: 8px; }
.sb-step-dot {
  width: 30px; height: 30px; border-radius: 50%;
  border: 1.5px solid var(--sb-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 500; color: var(--sb-muted);
  background: var(--sb-white); transition: all 0.3s; flex-shrink: 0;
}
.sb-step-dot.active  { border-color: var(--sb-rose); background: var(--sb-rose); color: #fff; }
.sb-step-dot.done    { border-color: var(--sb-rose); background: var(--sb-rose); color: #fff; }
.sb-step-dot.done::after { content: '✓'; font-size: 13px; }
.sb-step-label       { font-size: 12px; color: var(--sb-muted); font-weight: 400; letter-spacing: 0.02em; }
.sb-step-label.active{ color: var(--sb-rose); font-weight: 500; }
.sb-step-connector   { width: 36px; height: 1px; background: var(--sb-border); margin: 0 4px; }
.sb-step-connector.done { background: var(--sb-rose); }

/* ── Panel ── */
.sb-booking-panel {
  background: var(--sb-white);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-card-r);
  overflow: hidden;
  position: relative;
  box-shadow: 0 8px 40px rgba(139,34,82,0.08);
}

/* ── Loading overlay ── */
.sb-loading-overlay {
  position: absolute; inset: 0;
  background: rgba(253,245,240,0.88);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  z-index: 10; gap: 12px;
}
.sb-loading-overlay p { font-size: 13px; color: var(--sb-muted); margin: 0; }
.sb-spinner-lg {
  width: 32px; height: 32px;
  border: 3px solid rgba(139,34,82,0.15);
  border-top-color: var(--sb-rose);
  border-radius: 50%;
  animation: sb-spin 0.7s linear infinite;
}
@keyframes sb-spin { to { transform: rotate(360deg); } }

/* ── Step Sections ── */
.sb-step-section { display: none; padding: 36px 40px; animation: sb-fadeUp 0.35s ease; }
.sb-step-section.active { display: block; }
@keyframes sb-fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.sb-section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 24px; font-weight: 400; color: var(--sb-rose); margin: 0 0 4px;
}
.sb-section-sub { font-size: 13px; color: var(--sb-muted); margin: 0 0 26px; font-weight: 300; }

/* ── Calendar ── */
.sb-calendar-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
.sb-cal-nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.sb-cal-month {
  font-family: 'Cormorant Garamond', serif;
  font-size: 19px; font-weight: 500; color: var(--sb-rose);
}
.sb-cal-arrow {
  background: none; border: 1px solid var(--sb-border);
  width: 30px; height: 30px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--sb-muted); font-size: 14px; transition: all 0.2s;
}
.sb-cal-arrow:hover { border-color: var(--sb-rose); color: var(--sb-rose); }
.sb-cal-weekdays { display: grid; grid-template-columns: repeat(7,1fr); gap: 2px; margin-bottom: 6px; }
.sb-cal-wd {
  text-align: center; font-size: 10px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--sb-muted); padding: 4px 0; font-weight: 500;
}
.sb-cal-days { display: grid; grid-template-columns: repeat(7,1fr); gap: 3px; }
.sb-cal-day {
  aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
  font-size: 13px; border-radius: 50%; cursor: pointer; color: var(--sb-ink);
  transition: all 0.2s; font-weight: 400; position: relative;
}
.sb-cal-day:hover:not(.disabled):not(.empty) { background: var(--sb-pink); }
.sb-cal-day.selected { background: var(--sb-rose) !important; color: #fff !important; font-weight: 500; }
.sb-cal-day.today::after {
  content: ''; position: absolute; bottom: 3px;
  width: 4px; height: 4px; border-radius: 50%; background: var(--sb-rose);
}
.sb-cal-day.today.selected::after { background: rgba(255,255,255,0.6); }
.sb-cal-day.disabled { color: var(--sb-border); cursor: not-allowed; }
.sb-cal-day.empty    { cursor: default; }

/* ── Time Slots ── */
.sb-time-panel { border-left: 1px solid var(--sb-border); padding-left: 36px; }
.sb-time-panel-title {
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--sb-muted); margin-bottom: 14px; font-weight: 500;
}
.sb-time-slots { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; max-height: 320px; overflow-y: auto; }
.sb-time-placeholder {
  grid-column: 1/-1; text-align: center; color: var(--sb-muted);
  font-size: 13px; padding: 28px 0; font-style: italic;
}
.sb-time-slot {
  padding: 9px 10px; border: 1.5px solid var(--sb-border); border-radius: 8px;
  font-size: 13px; cursor: pointer; text-align: center; transition: all 0.2s;
  color: var(--sb-ink); background: var(--sb-white);
}
.sb-time-slot:hover:not(.booked) { border-color: var(--sb-rose-l); color: var(--sb-rose); }
.sb-time-slot.selected { background: var(--sb-rose); border-color: var(--sb-rose); color: #fff; font-weight: 500; }
.sb-time-slot.booked   { background: #f9f0f0; color: #d4b0b8; cursor: not-allowed; text-decoration: line-through; }

/* ── Services — category grouped cards ── */
.sb-category-group { margin-bottom: 28px; }
.sb-category-label {
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--sb-rose-l); font-weight: 600; margin-bottom: 14px;
  padding-bottom: 8px; border-bottom: 1px solid var(--sb-border);
  display: flex; align-items: center; gap: 8px;
}
.sb-category-label::before { content: '✦'; }

.sb-services-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.sb-service-card {
  border: 1.5px solid var(--sb-border); border-radius: var(--sb-card-r);
  cursor: pointer; transition: all 0.25s; overflow: hidden;
  background: var(--sb-white);
}
.sb-service-card:hover {
  border-color: var(--sb-rose-l);
  box-shadow: 0 4px 20px rgba(139,34,82,0.1);
  transform: translateY(-1px);
}
.sb-service-card.selected {
  border-color: var(--sb-rose);
  box-shadow: 0 4px 20px rgba(139,34,82,0.15);
}
.sb-svc-card-body { padding: 16px 18px; }
.sb-svc-card-top {
  display: flex; align-items: flex-start;
  justify-content: space-between; margin-bottom: 6px;
}
.sb-svc-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 17px; font-weight: 400; color: var(--sb-rose); line-height: 1.2;
}
.sb-svc-price {
  font-size: 14px; font-weight: 500; color: var(--sb-rose-l);
  white-space: nowrap; padding-left: 8px;
}
.sb-svc-dur  { font-size: 12px; color: var(--sb-muted); margin-bottom: 6px; }
.sb-svc-desc { font-size: 13px; color: #6b4a55; line-height: 1.5; font-weight: 300; }
.sb-svc-selected-bar {
  height: 3px; background: var(--sb-rose);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s ease;
}
.sb-service-card.selected .sb-svc-selected-bar { transform: scaleX(1); }

/* ── Add-ons ── */
.sb-addons-section {
  margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--sb-border);
}
.sb-addons-header {
  text-align: center; margin-bottom: 20px;
}
.sb-addons-header h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px; font-weight: 400; color: var(--sb-rose); margin: 0 0 4px;
}
.sb-addons-header p { font-size: 13px; color: var(--sb-muted); margin: 0; }

.sb-addons-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.sb-addon-card {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 18px 14px 16px;
  border: 1.5px solid var(--sb-border); border-radius: var(--sb-card-r);
  cursor: pointer; transition: all 0.22s; background: var(--sb-white);
  gap: 0;
}
.sb-addon-card:hover { border-color: var(--sb-rose-l); box-shadow: 0 3px 14px rgba(139,34,82,0.08); }
.sb-addon-card.selected {
  border-color: var(--sb-rose);
  background: linear-gradient(160deg, rgba(139,34,82,0.04), transparent);
  box-shadow: 0 3px 14px rgba(139,34,82,0.12);
}
.sb-addon-check {
  width: 20px; height: 20px; border: 1.5px solid var(--sb-border);
  border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s; font-size: 11px; color: #fff;
  margin-bottom: 12px;
}
.sb-addon-card.selected .sb-addon-check { background: var(--sb-rose); border-color: var(--sb-rose); }
.sb-addon-card.selected .sb-addon-check::after { content: '✓'; }
.sb-addon-body { display: flex; flex-direction: column; align-items: center; gap: 5px; width: 100%; }
.sb-addon-name  {
  font-family: 'Cormorant Garamond', serif;
  font-size: 16px; font-weight: 500; color: var(--sb-rose); line-height: 1.2;
}
.sb-addon-desc  {
  font-size: 12px; color: var(--sb-muted); line-height: 1.5;
  font-weight: 300; margin-top: 2px;
}
.sb-addon-price {
  font-size: 14px; color: var(--sb-rose); font-weight: 600;
  margin-top: 6px;
}

/* ── Form ── */
.sb-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.sb-form-group { display: flex; flex-direction: column; gap: 5px; }
.sb-form-full  { grid-column: 1/-1; }
.sb-form-label {
  font-size: 11px; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--sb-muted); font-weight: 500;
}
.sb-form-input, .sb-form-select, .sb-form-textarea {
  padding: 11px 13px; border: 1.5px solid var(--sb-border); border-radius: 8px;
  font-family: inherit; font-size: 14px; color: var(--sb-ink);
  background: var(--sb-white); outline: none; transition: border-color 0.2s;
  font-weight: 300; width: 100%;
}
.sb-form-input:focus, .sb-form-select:focus, .sb-form-textarea:focus {
  border-color: var(--sb-rose); box-shadow: 0 0 0 3px rgba(139,34,82,0.06);
}
.sb-form-input.error { border-color: var(--sb-error); }
.sb-form-textarea { resize: vertical; min-height: 80px; }

/* ── Payment summary ── */
.sb-payment-summary {
  background: linear-gradient(135deg, #fdf0f4, var(--sb-cream));
  border: 1px solid var(--sb-border); border-radius: var(--sb-radius);
  padding: 22px; margin-bottom: 20px;
}
.sb-pay-sum-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 17px; font-weight: 400; color: var(--sb-rose); margin-bottom: 14px;
}
.sb-sum-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 7px 0; font-size: 13px; border-bottom: 1px solid var(--sb-border);
}
.sb-sum-row:last-child { border-bottom: none; }
.sb-sum-row.total { font-weight: 500; font-size: 15px; padding-top: 12px; margin-top: 4px; border-top: 1px solid var(--sb-border); border-bottom: none; }
.sb-sum-row.deposit { color: var(--sb-rose); font-weight: 500; }
.sb-sum-label { color: var(--sb-muted); }

.sb-deposit-note {
  background: rgba(139,34,82,0.06); border: 1px solid rgba(139,34,82,0.15);
  border-radius: 8px; padding: 13px 16px;
  font-size: 13px; color: var(--sb-ink); margin-bottom: 22px; line-height: 1.6;
}
.sb-deposit-note strong { color: var(--sb-rose); }

#sb-stripe-card {
  padding: 12px 13px; border: 1.5px solid var(--sb-border); border-radius: 8px;
  background: var(--sb-white); transition: border-color 0.2s; margin-bottom: 6px;
}
#sb-stripe-card.StripeElement--focus   { border-color: var(--sb-rose); }
#sb-stripe-card.StripeElement--invalid { border-color: var(--sb-error); }
#sb-card-errors { color: var(--sb-error); font-size: 12px; min-height: 18px; }

/* ── Buttons ── */
.sb-btn-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--sb-border);
}
.sb-f-btn {
  padding: 12px 28px; border-radius: 30px; font-family: inherit;
  font-size: 13px; font-weight: 500; letter-spacing: 0.04em;
  cursor: pointer; transition: all 0.25s; border: none; outline: none;
  display: inline-flex; align-items: center; gap: 6px;
}
.sb-f-btn-primary { background: var(--sb-rose); color: #fff; }
.sb-f-btn-primary:hover { background: #6d1a3f; }
.sb-f-btn-primary:disabled { background: var(--sb-border); color: var(--sb-muted); cursor: not-allowed; }
.sb-f-btn-ghost {
  background: transparent; color: var(--sb-muted);
  border: 1.5px solid var(--sb-border); border-radius: 30px;
}
.sb-f-btn-ghost:hover  { border-color: var(--sb-rose); color: var(--sb-rose); }
.sb-f-btn-outline {
  background: transparent; color: var(--sb-rose);
  border: 1.5px solid var(--sb-rose); border-radius: 30px;
}
.sb-f-btn-outline:hover { background: var(--sb-rose); color: #fff; }

/* ── Spinner ── */
.sb-spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.35); border-top-color: #fff;
  border-radius: 50%; animation: sb-spin 0.7s linear infinite;
}

/* ── Confirmation ── */
.sb-confirmation { text-align: center; padding: 56px 40px; }
.sb-confirm-icon {
  width: 68px; height: 68px; border-radius: 50%;
  background: rgba(90,124,90,0.1); border: 2px solid var(--sb-success);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; margin: 0 auto 20px; color: var(--sb-success);
}
.sb-confirm-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 30px; font-weight: 300; color: var(--sb-rose); margin: 0 0 10px;
}
.sb-confirm-sub {
  font-size: 14px; color: var(--sb-muted); max-width: 400px;
  margin: 0 auto 26px; line-height: 1.6; font-weight: 300;
}
.sb-confirm-details {
  background: linear-gradient(135deg, #fdf0f4, var(--sb-cream));
  border: 1px solid var(--sb-border); border-radius: var(--sb-radius);
  padding: 22px 28px; max-width: 400px; margin: 0 auto; text-align: left;
}
.sb-confirm-row {
  display: flex; gap: 14px; padding: 8px 0;
  border-bottom: 1px solid var(--sb-border); font-size: 13px;
}
.sb-confirm-row:last-child { border-bottom: none; }
.sb-confirm-lbl { color: var(--sb-muted); min-width: 100px; font-weight: 300; }
.sb-confirm-val { font-weight: 500; }

/* ── Store address on confirmation ── */
.sb-confirm-address {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 400px;
  margin: 20px auto 0;
  padding: 16px 22px;
  background: linear-gradient(135deg, rgba(139,34,82,0.06), rgba(240,208,216,0.3));
  border: 1.5px solid rgba(139,34,82,0.2);
  border-radius: var(--sb-card-r);
  text-align: left;
}
.sb-confirm-address-icon {
  font-size: 24px;
  flex-shrink: 0;
  line-height: 1;
}
.sb-confirm-address-label {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sb-rose);
  font-weight: 600;
  margin-bottom: 5px;
}
.sb-confirm-address-text {
  font-size: 15px;
  color: var(--sb-ink);
  line-height: 1.6;
}
.sb-confirm-address-text strong {
  font-weight: 700;
  color: var(--sb-ink);
}

/* ── Responsive ── */
@media (max-width: 680px) {
  .sb-step-section    { padding: 24px 16px; }
  .sb-calendar-grid   { grid-template-columns: 1fr; }
  .sb-time-panel      { border-left: none; border-top: 1px solid var(--sb-border); padding-left: 0; padding-top: 20px; }
  .sb-form-grid       { grid-template-columns: 1fr; }
  .sb-services-grid   { grid-template-columns: 1fr; }
  .sb-addons-list     { grid-template-columns: 1fr 1fr; }
  .sb-steps-nav .sb-step-label { display: none; }
  .sb-step-connector  { width: 16px; }
}