/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
  /* Colors - Light theme with purple accent */
  --bg-primary: #f8f9fc;
  --bg-secondary: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.9);
  --bg-glass-hover: rgba(255, 255, 255, 0.95);
  --border-glass: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(139, 92, 246, 0.4);

  --text-primary: #1a1a2e;
  --text-secondary: #4a4a5a;
  --text-muted: #8a8a9a;

  --accent-primary: #8b5cf6;
  --accent-secondary: #a78bfa;
  --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);

  --success: #22c55e;
  --error: #ef4444;
  --warning: #f59e0b;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 30px rgba(139, 92, 246, 0.2);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background gradient effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(99, 102, 241, 0.06) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ===================================
   Layout
   =================================== */
.container {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

/* ===================================
   Header
   =================================== */
.header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
}

.logo {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
}

.tagline {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* ===================================
   Glass Card
   =================================== */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
}

/* ===================================
   Form Steps
   =================================== */
.step {
  display: none;
  animation: fadeIn 0.3s ease;
}

.step.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.step-header {
  margin-bottom: var(--spacing-lg);
}

.step-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.step-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Progress indicator */
.progress-bar {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.progress-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 2px solid var(--border-glass);
  transition: var(--transition-normal);
}

.progress-dot.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-primary);
}

.progress-dot.completed {
  background: var(--success);
  border-color: var(--success);
}

/* ===================================
   Service Type Toggle
   =================================== */
.service-toggle {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.service-option {
  flex: 1;
  position: relative;
}

.service-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.service-option label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 2px solid var(--border-glass);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-normal);
}

.service-option label:hover {
  border-color: var(--border-accent);
  background: var(--bg-glass-hover);
}

.service-option input:checked+label {
  border-color: var(--accent-primary);
  background: rgba(139, 92, 246, 0.1);
  box-shadow: var(--shadow-glow);
}

.service-icon {
  font-size: 2.5rem;
}

.service-name {
  font-weight: 600;
  font-size: 1.1rem;
}

/* ===================================
   Form Elements
   =================================== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

.form-label.required::after {
  content: ' *';
  color: var(--error);
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input.error {
  border-color: var(--error);
}

.form-input.success {
  border-color: var(--success);
}

.input-helper {
  font-size: 0.85rem;
  margin-top: var(--spacing-xs);
  color: var(--text-muted);
}

.input-helper.error {
  color: var(--error);
}

.input-helper.success {
  color: var(--success);
}

/* ===================================
   Appliance Grid
   =================================== */
.appliance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.appliance-item {
  position: relative;
}

.appliance-item input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.appliance-item label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: 0.9rem;
}

.appliance-item label:hover {
  border-color: var(--border-accent);
}

.appliance-item input:checked+label {
  border-color: var(--accent-primary);
  background: rgba(139, 92, 246, 0.15);
}

.appliance-checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-glass);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.appliance-item input:checked+label .appliance-checkbox {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.appliance-item input:checked+label .appliance-checkbox::after {
  content: '✓';
  color: white;
  font-size: 12px;
  font-weight: bold;
}

/* ===================================
   Date & Time Selection
   =================================== */
.date-options {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.date-option {
  position: relative;
  flex: 1;
  min-width: 100px;
}

.date-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.date-option label {
  display: block;
  text-align: center;
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

.date-option label:hover {
  border-color: var(--border-accent);
}

.date-option input:checked+label {
  border-color: var(--accent-primary);
  background: rgba(139, 92, 246, 0.15);
}

.date-label-main {
  font-weight: 600;
  display: block;
}

.date-label-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.custom-date-picker {
  margin-top: var(--spacing-md);
  display: none;
}

.custom-date-picker.show {
  display: block;
}

/* Time slots */
.time-slots {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.time-slot {
  position: relative;
}

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

.time-slot label {
  display: block;
  text-align: center;
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

.time-slot label:hover:not(.disabled) {
  border-color: var(--border-accent);
}

.time-slot input:checked+label {
  border-color: var(--accent-primary);
  background: rgba(139, 92, 246, 0.15);
}

.time-slot input:disabled+label {
  opacity: 0.4;
  cursor: not-allowed;
}

.time-slot input:disabled+label::after {
  content: ' (Unavailable)';
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ===================================
   Price Display
   =================================== */
.price-display {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(99, 102, 241, 0.2) 100%);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  margin: var(--spacing-lg) 0;
}

.price-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.price-amount {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: var(--spacing-sm);
}

/* ===================================
   Buttons
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-accent);
}

.btn-block {
  width: 100%;
}

.btn-group {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.btn-group .btn {
  flex: 1;
}

/* ===================================
   Summary
   =================================== */
.summary-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border-glass);
}

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

.summary-label {
  color: var(--text-secondary);
}

.summary-value {
  font-weight: 500;
  text-align: right;
  max-width: 60%;
}

/* ===================================
   Success State
   =================================== */
.success-state {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.success-icon {
  width: 80px;
  height: 80px;
  background: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  font-size: 2.5rem;
  animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
  0% {
    transform: scale(0);
  }

  50% {
    transform: scale(1.2);
  }

  100% {
    transform: scale(1);
  }
}

.success-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.success-message {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

/* ===================================
   Loading State
   =================================== */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 15, 0.7);
  border-radius: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-glass);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===================================
   Contact Info Row
   =================================== */
.contact-row {
  display: flex;
  gap: var(--spacing-md);
}

.contact-row .form-group {
  flex: 1;
}

.contact-helper {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 600px) {
  .container {
    padding: var(--spacing-md);
  }

  .glass-card {
    padding: var(--spacing-lg);
  }

  .appliance-grid {
    grid-template-columns: 1fr;
  }

  .time-slots {
    grid-template-columns: 1fr;
  }

  .date-options {
    flex-direction: column;
  }

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

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

  .service-toggle {
    flex-direction: column;
  }
}