/* Festive Quote Builder — Core Styles */
/* Kaboodle-level visual polish for commercial refrigeration configurator */

/* ─── CSS Variables ─────────────────────────────────────── */
:root {
  /* Brand */
  --brand-primary: #1a1a2e;
  --brand-accent: #c9a227;
  --brand-accent-light: #e8cb5c;
  --brand-success: #0d9488;
  --brand-success-light: #14b8a6;

  /* Surfaces */
  --bg-primary: #fafaf8;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f3f4f6;
  --bg-card: #ffffff;
  --bg-hover: #f9fafb;

  /* Text */
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-tertiary: #9ca3af;
  --text-on-dark: #ffffff;
  --text-on-accent: #1a1a2e;

  /* Borders */
  --border-light: #e5e7eb;
  --border-medium: #d1d5db;
  --border-accent: #c9a227;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Typography */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* ─── Dark Mode ──────────────────────────────────────────── */
.dark-mode {
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d2e;
  --bg-tertiary: #252836;
  --bg-card: #1e2132;
  --bg-hover: #2a2d42;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --border-light: #2e3348;
  --border-medium: #3d4260;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.5);
}

#app.dark-mode { background: var(--bg-primary); color: var(--text-primary); }

/* ─── Header ─────────────────────────────────────────────── */
.app-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-md) var(--space-lg);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo { display: flex; align-items: baseline; gap: var(--space-sm); }
.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--brand-primary);
}
.dark-mode .logo-text { color: var(--brand-accent); }
.logo-sub {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-tertiary);
  font-weight: 500;
}

.header-right { display: flex; gap: var(--space-sm); }

.btn-icon {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-icon:hover {
  border-color: var(--border-accent);
  color: var(--brand-accent);
  background: var(--bg-hover);
}

/* ─── Progress Bar ────────────────────────────────────────── */
.progress-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-md) var(--space-lg);
  overflow-x: auto;
}

.progress-inner {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs) var(--space-sm);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.progress-step:disabled {
  cursor: default;
  opacity: 0.4;
}

.progress-step .step-number {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--bg-tertiary);
  color: var(--text-tertiary);
  border: 2px solid var(--border-light);
  transition: all var(--transition-base);
}

.progress-step.active .step-number {
  background: var(--brand-accent);
  color: var(--text-on-accent);
  border-color: var(--brand-accent);
  transform: scale(1.15);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.2);
}

.progress-step.complete .step-number {
  background: var(--brand-success);
  color: white;
  border-color: var(--brand-success);
}

.progress-step .step-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  font-weight: 600;
}

.progress-step.active .step-label { color: var(--brand-accent); }
.progress-step.complete .step-label { color: var(--brand-success); }

.progress-connector {
  flex: 1;
  height: 2px;
  background: var(--border-light);
  min-width: 20px;
  transition: background var(--transition-base);
}

.progress-connector.complete {
  background: var(--brand-success);
}

/* ─── Steps ──────────────────────────────────────────────── */
.step {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg) var(--space-2xl);
  animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.step-header h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.step-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 400;
}

/* ─── Card Grid ──────────────────────────────────────────── */
.card-grid {
  display: grid;
  gap: var(--space-md);
}

.card-grid.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
  .card-grid.grid-2,
  .card-grid.grid-3,
  .card-grid.grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .card-grid.grid-3 { grid-template-columns: repeat(2, 1fr); }
  .card-grid.grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* ─── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-align: left;
}

.card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card.selected {
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15), var(--shadow-lg);
}

.card.selected::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-accent), var(--brand-accent-light));
}

/* ─── Business Cards ────────────────────────────────────── */
.business-card .card-image {
  height: 120px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  margin: calc(-1 * var(--space-lg)) calc(-1 * var(--space-lg)) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.business-card .card-emoji {
  font-size: 3rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.business-card .card-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.business-card .card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

.card-check {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--brand-success);
  color: white;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}

/* ─── Temperature Cards ──────────────────────────────────── */
.temp-card .card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.temp-card .card-content h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

.temp-card .card-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: var(--space-xs);
}

/* ─── Position & Size Cards ──────────────────────────────── */
.position-card .card-icon,
.size-card .card-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.position-card .card-content h3,
.size-card .card-content h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

.position-card .card-content p,
.size-card .card-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: var(--space-xs);
}

.size-range {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--brand-accent);
  font-weight: 600;
}

/* ─── Option Cards (compact) ────────────────────────────── */
.option-card.compact {
  padding: var(--space-md);
}

.option-card.compact h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: var(--space-xs);
}

.option-card.compact p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.badge {
  display: inline-block;
  background: var(--brand-accent);
  color: var(--text-on-accent);
  font-size: 0.6rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  margin-left: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─── Sub-Question ──────────────────────────────────────── */
.sub-question {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-light);
  animation: fadeInUp 0.3s ease;
}

.sub-question h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  text-align: center;
}

/* ─── Finish Layout ──────────────────────────────────────── */
.finish-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-xl);
  align-items: start;
}

@media (max-width: 1024px) {
  .finish-layout {
    grid-template-columns: 1fr;
  }
}

.finish-section {
  margin-bottom: var(--space-xl);
}

.finish-section-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.optional-tag {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-tertiary);
  font-style: italic;
}

/* ─── Swatches ───────────────────────────────────────────── */
.swatch-row {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.color-swatch {
  width: 72px; height: 72px;
  border-radius: var(--radius-md);
  border: 3px solid var(--border-light);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding-bottom: var(--space-xs);
  box-shadow: var(--shadow-sm);
}

.color-swatch:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-md);
}

.color-swatch.selected {
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.3);
  transform: scale(1.08);
}

.swatch-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: white;
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
  text-align: center;
}

.color-swatch[style*="background-color: #f5"] .swatch-label,
.color-swatch[style*="background-color: #b8"] .swatch-label {
  color: var(--text-primary);
  text-shadow: none;
}

.swatch-check {
  position: absolute;
  top: 4px; right: 4px;
  background: var(--brand-success);
  color: white;
  width: 20px; height: 20px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem;
}

/* ─── Feature Chips ──────────────────────────────────────── */
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.feature-chip {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--bg-card);
  font-size: 0.85rem;
}

.feature-chip:hover {
  border-color: var(--brand-accent);
  background: var(--bg-hover);
}

.feature-chip.selected {
  border-color: var(--brand-accent);
  background: rgba(201, 162, 39, 0.08);
}

.feature-icon { font-size: 1rem; }
.feature-label { font-weight: 600; color: var(--text-primary); }
.feature-desc { font-size: 0.75rem; color: var(--text-tertiary); margin-left: var(--space-xs); display: none; }
.feature-chip.selected .feature-label { color: var(--brand-accent); }
.feature-check { color: var(--brand-success); font-weight: 700; margin-left: var(--space-xs); }

/* ─── Cabinet Preview ────────────────────────────────────── */
.preview-panel {
  position: sticky;
  top: 140px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
}

.cabinet-preview {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.preview-image {
  height: 280px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-cabinet-visual {
  width: 140px;
  height: 220px;
  border: 3px solid;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(248,248,246,0.95) 100%);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: inset 0 0 20px rgba(0,0,0,0.05), var(--shadow-md);
}

.cabinet-canopy {
  height: 30px;
  background: linear-gradient(180deg, rgba(200,200,200,0.3), rgba(220,220,220,0.2));
  border-bottom: 2px solid rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all var(--transition-base);
}

.cabinet-canopy.glassmax {
  background: linear-gradient(180deg, rgba(255,255,255,0.6), rgba(255,255,255,0.3));
  height: 22px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.canopy-badge {
  font-size: 0.55rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand-accent);
  background: rgba(201, 162, 39, 0.1);
  padding: 1px 6px;
  border-radius: var(--radius-full);
}

.cabinet-body {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
}

.cabinet-shelves {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  padding: 8px 10px;
  gap: 8px;
}

.shelf {
  height: 4px;
  border-radius: 1px;
  transition: all var(--transition-base);
}

.shelf.glass {
  background: linear-gradient(90deg, rgba(180, 220, 255, 0.8), rgba(200, 230, 255, 0.6), rgba(180, 220, 255, 0.8));
  box-shadow: 0 1px 2px rgba(100, 150, 200, 0.3);
}

.shelf.stainless {
  background: linear-gradient(90deg, #c0c0c0, #d8d8d8, #c0c0c0);
  box-shadow: 0 1px 1px rgba(0,0,0,0.15);
}

.shelf.wire {
  background: repeating-linear-gradient(90deg, #b0b0b0 0px, #b0b0b0 1px, transparent 1px, transparent 6px);
  height: 2px;
}

.led-strip.active {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: linear-gradient(90deg, rgba(255, 230, 150, 0), rgba(255, 230, 150, 0.9), rgba(255, 230, 150, 0));
  top: 50%;
  box-shadow: 0 0 8px rgba(255, 230, 150, 0.5);
  animation: ledGlow 2s ease-in-out infinite;
}

@keyframes ledGlow {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

.mirror-back.active {
  position: absolute;
  left: 0;
  width: 12px;
  top: 30px;
  bottom: 10px;
  background: linear-gradient(180deg, rgba(200,220,255,0.3), rgba(180,200,240,0.2));
  border-right: 1px solid rgba(150,180,220,0.2);
}

.meat-rail.active {
  position: absolute;
  top: 35px;
  left: 15px;
  right: 15px;
  height: 3px;
  background: #999;
  border-radius: 2px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.preview-series-label {
  position: absolute;
  bottom: var(--space-md);
  left: var(--space-md);
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.preview-details {
  padding: var(--space-sm) 0;
}

.preview-model {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.preview-price {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--brand-accent);
  margin: var(--space-xs) 0;
}

.price-est {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-tertiary);
  margin-left: var(--space-xs);
}

.preview-specs {
  display: flex;
  gap: var(--space-md);
  margin: var(--space-sm) 0;
}

.spec {
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 2px 10px;
  border-radius: var(--radius-full);
}

.preview-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.feat-tag {
  font-size: 0.7rem;
  background: rgba(201, 162, 39, 0.1);
  color: var(--brand-accent);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.preview-empty {
  text-align: center;
  color: var(--text-tertiary);
  padding: var(--space-2xl);
}

/* ─── Recommendation Preview ─────────────────────────────── */
.recommendation-preview {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

.recommendation-preview h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

.rec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

@media (max-width: 768px) {
  .rec-grid { grid-template-columns: 1fr; }
}

.rec-card {
  background: var(--bg-card);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  text-align: center;
}

.rec-card:hover {
  border-color: var(--brand-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.rec-card.selected {
  border-color: var(--brand-accent);
  background: rgba(201, 162, 39, 0.05);
}

.rec-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
}

.rec-tagline {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.rec-price {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--brand-accent);
  font-size: 0.9rem;
  margin-top: var(--space-sm);
}

.rec-mount {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.rec-check {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  background: var(--brand-success);
  color: white;
  width: 24px; height: 24px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem;
}

/* ─── Step Navigation ────────────────────────────────────── */
.step-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-light);
}

.nav-note {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  font-style: italic;
}

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: var(--brand-accent);
  color: var(--text-on-accent);
  border-color: var(--brand-accent);
}

.btn-primary:hover {
  background: var(--brand-accent-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.btn-secondary:hover {
  border-color: var(--brand-accent);
  color: var(--brand-accent);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: none;
  padding: var(--space-sm) 0;
}

.btn-ghost:hover {
  color: var(--brand-accent);
}

.btn-large {
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  width: 100%;
  justify-content: center;
}

/* ─── Step 6: Summary ────────────────────────────────────── */
.summary-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-xl);
  align-items: start;
}

@media (max-width: 1024px) {
  .summary-layout {
    grid-template-columns: 1fr;
  }
}

.summary-preview {
  margin-bottom: var(--space-lg);
}

.summary-model {
  margin-bottom: var(--space-lg);
}

.summary-model h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
}

.model-code {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-tertiary);
  letter-spacing: 0.1em;
}

.model-name {
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

.price-display {
  display: flex;
  flex-direction: column;
  margin-top: var(--space-md);
}

.price-label {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.price-value {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--brand-accent);
}

.price-note {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

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

.detail-item {
  padding: var(--space-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.detail-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  font-weight: 600;
  margin-bottom: 4px;
}

.detail-value {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
}

.detail-full { grid-column: 1 / -1; }

/* ─── Brand Features ─────────────────────────────────────── */
.brand-features {
  margin-top: var(--space-lg);
}

.brand-features h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

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

.brand-feature-item {
  display: flex;
  flex-direction: column;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--brand-accent);
}

.bf-name {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.bf-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* ─── Quote Actions Sidebar ──────────────────────────────── */
.summary-sidebar {
  position: sticky;
  top: 140px;
}

.quote-actions {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
}

.quote-actions h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.quote-actions .btn {
  margin-bottom: var(--space-sm);
}

.expert-contact {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--brand-success);
}

.expert-icon { font-size: 1.5rem; }

.expert-info strong {
  display: block;
  font-size: 0.9rem;
}

.expert-info p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin: 2px 0;
}

.expert-info a {
  color: var(--brand-accent);
  text-decoration: none;
}

.expert-info a:hover { text-decoration: underline; }

.disclaimer {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  margin-top: var(--space-lg);
  text-align: center;
  line-height: 1.5;
}

/* ─── Quote Form ─────────────────────────────────────────── */
.quote-form-container {
  margin-top: var(--space-xl);
}

.quote-form-inner {
  background: var(--bg-secondary);
  border: 2px solid var(--brand-accent);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.quote-form-inner h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: var(--space-sm);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

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

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.config-summary-in-form {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin: var(--space-lg) 0;
}

.config-summary-in-form h4 {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.config-summary-in-form p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 4px 0;
}

.form-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.form-actions .btn-large { flex: 1; }

/* ─── Footer ─────────────────────────────────────────────── */
.app-footer {
  background: var(--brand-primary);
  color: var(--text-on-dark);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-3xl);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
}

.footer-brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.15em;
}

.footer-tagger {
  font-size: 0.85rem;
  font-style: italic;
  color: rgba(255,255,255,0.7);
}

.footer-contact {
  font-size: 0.85rem;
  margin-left: auto;
}

.footer-contact a {
  color: var(--brand-accent-light);
  text-decoration: none;
}

.footer-contact a:hover { text-decoration: underline; }

.footer-note {
  width: 100%;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.4);
  margin-top: var(--space-sm);
}

/* ─── Print Styles ───────────────────────────────────────── */
@media print {
  .app-header, .progress-bar, .step-nav, .app-footer,
  .btn, .quote-actions, .nav-note { display: none; }
  .step { padding: 0; }
  .summary-layout { grid-template-columns: 1fr; }
  .summary-sidebar { position: static; }
  .cabinet-preview { page-break-inside: avoid; }
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .step-header h1 { font-size: 1.5rem; }
  .finish-layout { grid-template-columns: 1fr; }
  .preview-panel { position: static; }
  .summary-layout { grid-template-columns: 1fr; }
  .summary-sidebar { position: static; }
  .price-value { font-size: 2rem; }
  .feature-list { grid-template-columns: 1fr; }
  .form-actions { flex-direction: column; }
}