/* WindowCraft Configurator - Clean Modern Design */
:root {
  --wcwc-primary: #111;
  --wcwc-primary-hover: #333;
  --wcwc-success: #10b981;
  --wcwc-warning: #f59e0b;
  --wcwc-error: #ef4444;
  --wcwc-info: #3b82f6;
  --wcwc-bg: #ffffff;
  --wcwc-bg-secondary: #f9fafb;
  --wcwc-border: #e5e7eb;
  --wcwc-text: #111827;
  --wcwc-text-muted: #6b7280;
  --wcwc-radius: 8px;
  --wcwc-shadow: 0 1px 3px rgba(0,0,0,0.1);
  --wcwc-shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
}

.wcwc-root {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Ubuntu, Arial, sans-serif;
  color: var(--wcwc-text);
  line-height: 1.6;
}

.wcwc-loading {
  text-align: center;
  padding: 40px;
  color: var(--wcwc-text-muted);
}

/* Main Layout - 3 column: Progress | Content | Summary */
.wcwc-layout {
  display: grid;
  grid-template-columns: 220px 1fr 300px;
  gap: 20px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

@media (max-width: 1200px) {
  .wcwc-layout {
    grid-template-columns: 180px 1fr 260px;
    gap: 16px;
  }
}

@media (max-width: 900px) {
  .wcwc-layout {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 16px;
  }
}

/* Progress Sidebar */
.wcwc-progress {
  position: sticky;
  top: 20px;
  height: fit-content;
  background: var(--wcwc-bg);
  border: 1px solid var(--wcwc-border);
  border-radius: var(--wcwc-radius);
  padding: 16px;
  box-shadow: var(--wcwc-shadow);
}

@media (max-width: 900px) {
  .wcwc-progress {
    position: relative;
    top: 0;
    order: -1;
  }
}

.wcwc-progress-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--wcwc-text-muted);
  margin: 0 0 12px 0;
}

.wcwc-progress-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.wcwc-progress-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 1px solid var(--wcwc-border);
  color: var(--wcwc-text-muted);
}

.wcwc-progress-item:last-child {
  border-bottom: none;
}

.wcwc-progress-item:hover {
  color: var(--wcwc-text);
}

.wcwc-progress-item.active {
  font-weight: 600;
  color: var(--wcwc-primary);
}

.wcwc-progress-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 12px;
  flex-shrink: 0;
  background: var(--wcwc-bg-secondary);
  color: var(--wcwc-text-muted);
}

.wcwc-progress-item.active .wcwc-progress-icon {
  background: var(--wcwc-primary);
  color: white;
}

.wcwc-progress-item.complete .wcwc-progress-icon {
  background: var(--wcwc-success);
  color: white;
}

/* Content Area */
.wcwc-content-area {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Preview - Primary Visual Anchor */
.wcwc-preview-container {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-radius: var(--wcwc-radius);
  padding: 40px;
  box-shadow: var(--wcwc-shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

@media (max-width: 900px) {
  .wcwc-preview-container {
    padding: 24px;
    min-height: 300px;
    order: -2;
  }
}

.wcwc-preview-container svg {
  max-width: 100%;
  width: 100%;
  max-width: 600px;
  height: auto;
  filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1));
}

#wcwc-preview-box {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

#wcwc-preview-box svg {
  display: block;
}

/* Step Content Card */
.wcwc-step-card {
  background: var(--wcwc-bg);
  border: 1px solid var(--wcwc-border);
  border-radius: var(--wcwc-radius);
  padding: 24px;
  box-shadow: var(--wcwc-shadow);
}

@media (max-width: 600px) {
  .wcwc-step-card {
    padding: 16px;
  }
}

.wcwc-step-title {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 8px 0;
}

.wcwc-step-description {
  color: var(--wcwc-text-muted);
  margin: 0 0 20px 0;
  font-size: 14px;
}

/* Summary Sidebar - Sticky */
.wcwc-summary {
  position: sticky;
  top: 20px;
  height: fit-content;
  background: var(--wcwc-bg);
  border: 1px solid var(--wcwc-border);
  border-radius: var(--wcwc-radius);
  padding: 20px;
  box-shadow: var(--wcwc-shadow-lg);
}

@media (max-width: 900px) {
  .wcwc-summary {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto;
    border-radius: var(--wcwc-radius) var(--wcwc-radius) 0 0;
    max-height: 80vh;
    overflow-y: auto;
    z-index: 1000;
    transform: translateY(calc(100% - 60px));
    transition: transform 0.3s ease;
  }
  
  .wcwc-summary.mobile-expanded {
    transform: translateY(0);
  }
  
  .wcwc-summary::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    background: var(--wcwc-border);
    border-radius: 2px;
  }
}

.wcwc-summary-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 16px 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--wcwc-border);
}

.wcwc-summary-item {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  font-size: 14px;
  border-bottom: 1px solid var(--wcwc-border);
}

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

.wcwc-summary-label {
  color: var(--wcwc-text-muted);
  font-weight: 500;
}

.wcwc-summary-value {
  color: var(--wcwc-text);
  font-weight: 600;
  text-align: right;
}

/* Price Box */
.wcwc-price-container {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 2px solid var(--wcwc-border);
}

.wcwc-price-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
}

.wcwc-price-label {
  font-size: 14px;
  color: var(--wcwc-text-muted);
  font-weight: 500;
}

.wcwc-price-amount {
  font-size: 28px;
  font-weight: 700;
  color: var(--wcwc-primary);
}

.wcwc-price-skeleton {
  width: 120px;
  height: 32px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: 4px;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.wcwc-price-breakdown {
  margin-top: 12px;
}

.wcwc-price-breakdown-toggle {
  width: 100%;
  padding: 8px;
  background: transparent;
  border: none;
  color: var(--wcwc-info);
  font-size: 12px;
  cursor: pointer;
  text-align: left;
  font-weight: 600;
}

.wcwc-price-breakdown-content {
  display: none;
  margin-top: 8px;
}

.wcwc-price-breakdown-content.expanded {
  display: block;
}

.wcwc-price-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 13px;
  color: var(--wcwc-text-muted);
}

/* Buttons */
.wcwc-btn {
  padding: 12px 20px;
  border-radius: var(--wcwc-radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  font-family: inherit;
}

.wcwc-btn:focus {
  outline: 2px solid var(--wcwc-primary);
  outline-offset: 2px;
}

.wcwc-btn-primary,
.wcwc-btn.wcwc-btn-primary {
  background: var(--wcwc-primary);
  color: white;
}

.wcwc-btn-primary:hover:not(:disabled),
.wcwc-btn.wcwc-btn-primary:hover:not(:disabled) {
  background: var(--wcwc-primary-hover);
}

.wcwc-btn-primary:disabled,
.wcwc-btn.wcwc-btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.wcwc-btn-secondary:hover,
.wcwc-btn.wcwc-btn-secondary:hover {
  border-color: var(--wcwc-primary);
  background: var(--wcwc-bg);
}

.wcwc-nav-buttons {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--wcwc-border);
}

/* Fields */
.wcwc-field {
  margin-bottom: 20px;
}

.wcwc-field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--wcwc-text);
}

.wcwc-field input,
.wcwc-field select,
.wcwc-field textarea {
  width: 100%;
  padding: 12px;
  border-radius: var(--wcwc-radius);
  border: 1px solid var(--wcwc-border);
  font-size: 15px;
  font-family: inherit;
  transition: all 0.2s;
}

.wcwc-field input:focus,
.wcwc-field select:focus,
.wcwc-field textarea:focus {
  outline: none;
  border-color: var(--wcwc-primary);
  box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.1);
}

.wcwc-field textarea {
  min-height: 100px;
  resize: vertical;
}

/* Dimension Inputs */
.wcwc-dim-input-group {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.wcwc-dim-input {
  flex: 1;
  font-size: 20px;
  font-weight: 600;
  padding: 14px 18px;
  border: 2px solid var(--wcwc-border);
  border-radius: var(--wcwc-radius);
  text-align: center;
  transition: all 0.2s;
}

.wcwc-dim-input:focus {
  border-color: var(--wcwc-primary);
  box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.1);
}

.wcwc-dim-suffix {
  font-size: 16px;
  color: var(--wcwc-text-muted);
  font-weight: 500;
}

.wcwc-step-btn {
  width: 44px;
  height: 44px;
  border: 2px solid var(--wcwc-border);
  background: var(--wcwc-bg);
  border-radius: var(--wcwc-radius);
  font-size: 20px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.wcwc-step-btn:hover:not(:disabled) {
  background: var(--wcwc-primary);
  color: white;
  border-color: var(--wcwc-primary);
}

.wcwc-dim-range {
  font-size: 12px;
  color: var(--wcwc-text-muted);
  text-align: center;
  margin-top: 8px;
}

/* Option Cards (Glass, Color, etc) */
.wcwc-option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}

@media (max-width: 600px) {
  .wcwc-option-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.wcwc-option-card {
  position: relative;
  border: 2px solid var(--wcwc-border);
  border-radius: var(--wcwc-radius);
  padding: 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--wcwc-bg);
}

.wcwc-option-card:hover {
  border-color: var(--wcwc-primary);
  box-shadow: var(--wcwc-shadow);
}

.wcwc-option-card.selected {
  border-color: var(--wcwc-primary);
  background: var(--wcwc-primary);
  color: white;
}

.wcwc-option-card:focus {
  outline: 2px solid var(--wcwc-primary);
  outline-offset: 2px;
}

/* Feedback Messages */
.wcwc-feedback {
  display: flex;
  gap: 12px;
  padding: 16px;
  border-radius: var(--wcwc-radius);
  margin-bottom: 16px;
  animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.wcwc-feedback-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.wcwc-feedback-content {
  flex: 1;
}

.wcwc-feedback-title {
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 14px;
}

.wcwc-feedback-message {
  font-size: 13px;
  line-height: 1.5;
}

.wcwc-feedback-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.wcwc-feedback-warning {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
}

.wcwc-feedback-info {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e40af;
}

.wcwc-fix-btn {
  margin-top: 8px;
  padding: 6px 12px;
  background: var(--wcwc-primary);
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.wcwc-fix-btn:hover {
  background: var(--wcwc-primary-hover);
}

/* Grid */
.wcwc-grid {
  display: grid;
  gap: 16px;
}

.wcwc-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 600px) {
  .wcwc-grid-2 {
    grid-template-columns: 1fr;
  }
}

/* Mobile Summary Toggle */
.wcwc-mobile-summary-toggle {
  display: none;
}

@media (max-width: 900px) {
  .wcwc-mobile-summary-toggle {
    display: block;
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--wcwc-primary);
    color: white;
    border: none;
    box-shadow: var(--wcwc-shadow-lg);
    z-index: 999;
    cursor: pointer;
    font-size: 24px;
    font-weight: 700;
    transition: all 0.2s;
  }
  
  .wcwc-mobile-summary-toggle:hover {
    background: var(--wcwc-primary-hover);
    transform: scale(1.1);
  }
  
  .wcwc-mobile-summary-toggle:focus {
    outline: 2px solid var(--wcwc-primary);
    outline-offset: 2px;
  }
}

/* Utility Classes */
.wcwc-muted {
  color: var(--wcwc-text-muted);
  font-size: 13px;
}