/* ============================================
   MODAL — Demo Booking
   ============================================ */

/* ── Overlay ── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 8, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.modal.modal--open .modal-backdrop {
  opacity: 1;
}

/* ── Dialog ── */
.modal-dialog {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  max-height: calc(100dvh - 32px);
  overflow-y: auto;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-bg-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.04);
  transform: translateY(20px) scale(0.97);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), opacity 0.25s ease;
  scrollbar-width: thin;
  scrollbar-color: var(--color-bg-border) transparent;
}

.modal.modal--open .modal-dialog {
  transform: translateY(0) scale(1);
  opacity: 1;
}

/* ── Header ── */
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 0;
}

.modal-progress {
  display: flex;
  align-items: center;
  gap: 6px;
}

.modal-step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-bg-border);
  transition: background 0.3s ease, transform 0.3s ease;
}

.modal-step-dot.active {
  background: var(--color-brand-400);
  transform: scale(1.25);
}

.modal-step-dot.done {
  background: var(--color-success);
}

.modal-step-line {
  width: 28px;
  height: 1px;
  background: var(--color-bg-border);
  transition: background 0.3s ease;
}

.modal-step-line.done {
  background: var(--color-success);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--color-bg-border);
  background: rgba(255,255,255,0.03);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.modal-close:hover {
  color: var(--color-text-primary);
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.15);
}

/* ── Step panels ── */
.modal-panel {
  padding: 24px 28px 28px;
}

@media (max-width: 480px) {
  .modal-panel { padding: 20px 20px 24px; }
}

.modal-panel-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 4px;
  line-height: 1.2;
}

.modal-panel-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.5;
}

/* ── Step 1 form ── */
.demo-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ── Service chips (multi-select) ── */
.chips-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: 8px;
  display: block;
}

.chips-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.chip-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-bg-border);
  background: rgba(255,255,255,0.02);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.chip-label:hover {
  border-color: rgba(139,92,246,0.35);
  background: rgba(139,92,246,0.06);
  color: var(--color-brand-300);
}

.chip-input:checked + .chip-label {
  border-color: var(--color-brand-400);
  background: rgba(139,92,246,0.14);
  color: var(--color-brand-200);
}

.chip-input:focus-visible + .chip-label {
  outline: 2px solid var(--color-brand-400);
  outline-offset: 2px;
}

/* ── Step footer ── */
.modal-step-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
}

.modal-step-footer .btn-back {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
}

.modal-step-footer .btn-back:hover { color: var(--color-text-primary); }

/* ── Day picker (Step 2) ── */
.slot-days {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  margin-bottom: 20px;
}

.day-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.day-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 10px 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-bg-border);
  background: rgba(255,255,255,0.02);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.day-label:hover {
  border-color: rgba(139,92,246,0.3);
  background: rgba(139,92,246,0.06);
}

.day-input:checked + .day-label {
  border-color: var(--color-brand-400);
  background: rgba(139,92,246,0.12);
}

.day-input:focus-visible + .day-label {
  outline: 2px solid var(--color-brand-400);
  outline-offset: 2px;
}

.day-name {
  font-size: 10px;
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.day-date {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
}

.day-input:checked + .day-label .day-name,
.day-input:checked + .day-label .day-date {
  color: var(--color-brand-300);
}

/* ── Time slots ── */
.slot-times-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: 10px;
}

.slot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.slot-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.slot-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 12px 8px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-bg-border);
  background: rgba(255,255,255,0.02);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slot-label:hover {
  border-color: rgba(139,92,246,0.35);
  background: rgba(139,92,246,0.07);
}

.slot-input:checked + .slot-label {
  border-color: var(--color-brand-400);
  background: rgba(139,92,246,0.14);
  box-shadow: 0 0 0 1px rgba(139,92,246,0.3);
}

.slot-input:focus-visible + .slot-label {
  outline: 2px solid var(--color-brand-400);
  outline-offset: 2px;
}

.slot-time {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

.slot-duration {
  font-size: 10px;
  color: var(--color-text-muted);
}

.slot-input:checked + .slot-label .slot-time {
  color: var(--color-brand-200);
}

.slot-error {
  font-size: var(--text-xs);
  color: #f87171;
  margin-top: 8px;
  min-height: 1.2em;
}

/* ── Success panel ── */
.demo-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 8px 0 8px;
}

.demo-success-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-success);
  margin-bottom: 20px;
}

.demo-success-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.demo-success-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.demo-success-details {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--color-bg-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.demo-success-detail {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.demo-success-detail-icon {
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  font-size: 1rem;
}

.demo-success-detail strong {
  color: var(--color-text-primary);
}

.demo-success-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

/* ── Spinner ── */
.modal-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

/* ── Responsive ── */
@media (max-width: 480px) {
  .slot-days {
    gap: 4px;
  }
  .day-label {
    padding: 8px 2px;
  }
  .day-date {
    font-size: var(--text-xs);
  }
  .slot-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .modal-panel-title {
    font-size: var(--text-xl);
  }
}