:root {
  --bg: #f5f1e8;
  --surface: #ffffff;
  --surface-alt: #f7f7f5;
  --text: #1a1a1a;
  --muted: #666666;
  --border: rgba(0, 0, 0, 0.1);
  --gold: #c9a84c;
  --gold-dark: #a88630;
  --green: #0f6e56;
  --green-soft: rgba(15, 110, 86, 0.08);
  --whatsapp: #25d366;
  --whatsapp-dark: #1ea952;
  --blue: #185fa5;
  --blue-soft: rgba(24, 95, 165, 0.08);
  --danger: #c0392b;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "DM Sans", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(201, 168, 76, 0.15), transparent 28%),
    linear-gradient(180deg, #fcfaf6 0%, var(--bg) 100%);
  color: var(--text);
}

.bk {
  width: min(920px, calc(100% - 32px));
  margin: 32px auto;
  padding: 24px;
}

.booking-topbar {
  display: flex;
  justify-content: flex-start;
  margin-bottom: 16px;
}

.booking-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.booking-back-btn:hover {
  border-color: var(--gold);
  color: var(--gold-dark);
}

.booking-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.booking-logo img {
  width: 160px;
  display: block;
}

.progress {
  display: flex;
  align-items: center;
  margin: 0 auto 28px;
  max-width: 520px;
}

.step-dot {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 2px solid #d6d1c5;
  background: var(--surface);
  color: var(--muted);
  display: grid;
  place-items: center;
  font-weight: 700;
}

.step-dot.active,
.step-dot.done {
  border-color: var(--gold);
  color: #fff;
  background: var(--gold);
}

.step-line {
  flex: 1;
  height: 2px;
  background: #d6d1c5;
}

.step-line.active { background: var(--gold); }

.card {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.card.active { display: block; }

.card-title {
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 8px;
}

.card-sub {
  color: var(--muted);
  margin-bottom: 24px;
}

.radio-grid,
.tag-grid,
.mat-grid,
.gender-filter {
  display: grid;
  gap: 14px;
}

.radio-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.radio-grid--plans {
  margin-bottom: 0.85rem;
}

.radio-opt,
.mat-opt,
.gender-opt,
.issue-tag {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  background: var(--surface);
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.radio-opt,
.mat-opt,
.gender-opt {
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
}

.radio-opt input[type="radio"] {
  flex-shrink: 0;
  margin-left: auto;
}

.radio-opt:hover,
.mat-opt:hover,
.gender-opt:hover,
.issue-tag:hover {
  transform: translateY(-1px);
  border-color: var(--gold);
}

.radio-opt.selected,
.mat-opt.selected,
.gender-opt.selected,
.issue-tag.selected {
  border-color: var(--gold);
  background: rgba(201, 168, 76, 0.08);
}

.icon-wrap {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.icon-clean { background: var(--green-soft); }
.icon-maint { background: var(--blue-soft); }

.opt-label {
  font-weight: 700;
  margin-bottom: 4px;
}

.opt-desc,
.hint-text,
.label-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.price-tag {
  color: var(--gold-dark);
  font-size: 0.9rem;
}

.price-tag--neutral { color: var(--muted); }

.sec-head {
  margin: 24px 0 14px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-dark);
}

.field,
.field-row2,
.field-row3,
.addr-box,
.cost-box,
.confirm-badge { margin-bottom: 16px; }

.field label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid #ddd8cf;
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  background: #fff;
}

.field textarea {
  min-height: 110px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.14);
}

.field-row2,
.field-row3 {
  display: grid;
  gap: 14px;
}

.field-row2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.field-row3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.worker-ctrl,
.rooms-ctrl {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 1px solid #ddd8cf;
  border-radius: 999px;
  padding: 6px;
  background: #fff;
}

.w-btn,
.rooms-btn {
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 999px;
  background: var(--surface-alt);
  font: inherit;
  font-size: 1.25rem;
  cursor: pointer;
}

.w-val,
.rooms-val {
  min-width: 24px;
  text-align: center;
  font-weight: 700;
}

.cost-box,
.addr-box {
  border: 1px solid var(--border);
  background: var(--surface-alt);
  border-radius: 16px;
  padding: 16px;
}

.cost-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  color: var(--muted);
}

.cost-total {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  color: var(--text);
  font-weight: 700;
}

.addr-box-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  margin-bottom: 14px;
}

.wa-input-wrap {
  display: flex;
  align-items: center;
  border: 1px solid #ddd8cf;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.wa-input-wrap:focus-within {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.14);
}

.wa-prefix {
  padding: 12px 14px;
  background: var(--surface-alt);
  border-right: 1px solid #ddd8cf;
  font-weight: 700;
}

.wa-input {
  border: none !important;
}

.wa-input:focus {
  box-shadow: none !important;
}

.issue-tag {
  cursor: pointer;
  text-align: center;
  font-weight: 600;
}

.gender-filter { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.btn-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
}

.btn-row--summary {
  justify-content: flex-start;
  margin-top: 0.5rem;
}

.btn-row--confirm-actions {
  flex-wrap: wrap;
  margin-top: 1rem;
}

.btn-next,
.btn-back,
.btn-pdf,
.btn-whatsapp {
  border: none;
  border-radius: 999px;
  padding: 13px 22px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.btn-next:disabled,
.btn-back:disabled,
.btn-pdf:disabled,
.btn-whatsapp:disabled {
  opacity: 0.72;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-next--confirm {
  width: 100%;
  padding: 12px;
  margin-top: 1.25rem;
  font-size: 15px;
}

.btn-next,
.btn-pdf {
  background: var(--gold);
  color: #fff;
}

.btn-next:hover,
.btn-pdf:hover { background: var(--gold-dark); }

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex: 1 1 260px;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
}

.btn-whatsapp:hover {
  transform: translateY(-1px);
}

.btn-whatsapp--company {
  background: var(--whatsapp);
  color: #fff;
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.22);
}

.btn-whatsapp--company:hover {
  background: var(--whatsapp-dark);
}

.btn-whatsapp--customer {
  background: rgba(37, 211, 102, 0.1);
  color: #157347;
  border: 1px solid rgba(37, 211, 102, 0.28);
}

.btn-whatsapp--customer:hover {
  background: rgba(37, 211, 102, 0.18);
}

.btn-back {
  background: var(--surface-alt);
  color: var(--text);
}

.btn-pdf--full {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.err,
.field-err {
  color: var(--danger);
  font-size: 0.92rem;
  margin-top: 8px;
  display: none;
}

.field input.is-invalid,
.field select.is-invalid,
.field textarea.is-invalid,
.wa-input-wrap.is-invalid {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.12);
}

.field.has-error label {
  color: var(--danger);
}

.field.has-error .label-note {
  color: inherit;
}

.summary-box {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  background: var(--surface-alt);
  margin-bottom: 14px;
}

.summary-stack {
  display: grid;
  gap: 14px;
  margin: 18px 0 0;
}

.summary-stack .summary-box {
  margin-bottom: 0;
}

.summary-box h4 { margin: 0 0 10px; }

.summary-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.summary-line--stacked {
  flex-direction: column;
  align-items: flex-start;
}

.summary-line:last-child { border-bottom: none; }

.confirm-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--green);
  background: var(--green-soft);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 700;
}

.ref-label,
.confirm-note { color: var(--muted); }

.submit-status,
.whatsapp-status {
  display: none;
  margin-top: 1rem;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(37, 211, 102, 0.1);
  color: #146c43;
  border: 1px solid rgba(37, 211, 102, 0.22);
  font-weight: 500;
}

.submit-status.is-visible,
.whatsapp-status.is-visible {
  display: block;
}

.submit-status.is-error,
.whatsapp-status.is-error {
  background: rgba(192, 57, 43, 0.08);
  color: var(--danger);
  border-color: rgba(192, 57, 43, 0.18);
}

.ref-num {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin: 10px 0 16px;
}

.booking-whatsapp-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 999px;
  background: var(--whatsapp);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
  z-index: 20;
}

.booking-whatsapp-fab:hover {
  background: var(--whatsapp-dark);
}

.is-hidden {
  display: none;
}

@media (max-width: 720px) {
  .bk {
    width: min(100% - 20px, 920px);
    margin: 14px auto;
    padding: 10px 0 20px;
  }

  .card {
    padding: 18px;
    border-radius: 16px;
  }

  .field-row2,
  .field-row3,
  .gender-filter { grid-template-columns: 1fr; }

  .btn-row { flex-direction: column; }

  .btn-next,
  .btn-back,
  .btn-whatsapp { width: 100%; }
}

@media (max-width: 560px) {
  .progress {
    max-width: 100%;
    margin-bottom: 22px;
  }

  .step-dot {
    width: 34px;
    height: 34px;
    font-size: 0.9rem;
  }

  .card-title {
    font-size: 1.6rem;
  }

  .card-sub,
  .opt-desc,
  .hint-text,
  .label-note {
    font-size: 0.88rem;
  }

  .radio-opt,
  .mat-opt,
  .gender-opt,
  .issue-tag,
  .cost-box,
  .addr-box,
  .summary-box {
    padding: 14px;
  }

  .summary-line {
    flex-direction: column;
    gap: 4px;
  }

  .booking-back-btn,
  .btn-next,
  .btn-back,
  .btn-pdf,
  .btn-whatsapp {
    width: 100%;
    justify-content: center;
  }

  .booking-whatsapp-fab {
    right: 16px;
    bottom: 16px;
  }
}