/* ==========================================================================
   Braun Blinds - Premium Design System & Stylesheet
   ========================================================================== */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* CSS Variables */
:root {
  /* Colors */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: rgba(248, 250, 252, 0.95);
  
  --accent-gold: #c59b27;
  --accent-gold-hover: #a8811f;
  --accent-gold-glow: rgba(197, 155, 39, 0.1);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  --border-color: rgba(0, 0, 0, 0.08);
  --border-focus: rgba(197, 155, 39, 0.4);
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Outfit', sans-serif;
  
  /* Shadows & Glassmorphism */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.06);
  --glass-blur: blur(12px);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  /* Layout */
  --max-width: 1280px;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary) !important;
  color: var(--text-primary) !important;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #232838;
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold);
}

/* Utility Classes */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gold {
  color: var(--accent-gold);
}

.bg-gradient {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%) !important;
}

.section-padding {
  padding: 6rem 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 4rem 0;
  }
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 11, 13, 0.75);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-normal);
}

header.scrolled {
  background: var(--bg-primary);
  box-shadow: var(--shadow-md);
  padding: 0.5rem 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 5rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-gold);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-gold);
  transition: var(--transition-normal);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-contact {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.phone-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.phone-btn:hover {
  color: var(--accent-gold);
}

.phone-icon {
  color: var(--accent-gold);
  fill: currentColor;
}

.cta-btn {
  background-color: var(--accent-gold);
  color: #000;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 4px 14px rgba(212, 175, 55, 0.3);
  transition: var(--transition-normal);
}

.cta-btn:hover {
  background-color: var(--accent-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-normal);
}

@media (max-width: 992px) {
  .nav-links {
    position: fixed;
    top: 5rem;
    left: 0;
    width: 100%;
    height: calc(100vh - 5rem);
    background-color: var(--bg-primary);
    flex-direction: column;
    padding: 3rem 0;
    gap: 2rem;
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition-slow);
    pointer-events: none;
  }
  
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .menu-toggle.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .nav-contact {
    display: none;
  }
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  background-image: linear-gradient(rgba(10, 11, 13, 0.85), rgba(10, 11, 13, 0.95)), url('https://images.unsplash.com/photo-1513694203232-719a280e022f?auto=format&fit=crop&w=1600&q=80');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 150px;
  background: linear-gradient(to top, var(--bg-primary), transparent);
  pointer-events: none;
}

.hero-content {
  max-width: 700px;
  position: relative;
  z-index: 2;
  animation: fadeInUp 1s ease-out;
}

.hero-tagline {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--accent-gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  display: inline-block;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-title span {
  background: linear-gradient(120deg, var(--text-primary) 40%, var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-secondary {
  border: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--text-muted);
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.75rem;
  }
  .hero-description {
    font-size: 1rem;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Section Styling */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}

.section-subtitle {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--accent-gold);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-secondary);
}

/* Product Showcase */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  border-color: rgba(212, 175, 55, 0.3);
  box-shadow: var(--shadow-md);
}

.product-img-wrapper {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.product-card:hover .product-img {
  transform: scale(1.08);
}

.product-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.product-price-tag {
  font-size: 0.85rem;
  color: var(--accent-gold);
  font-weight: 600;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.product-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.product-features-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.product-feature-badge {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.product-btn {
  text-align: center;
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: var(--accent-gold);
  padding: 0.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  transition: var(--transition-normal);
}

.product-card:hover .product-btn {
  background-color: var(--accent-gold);
  color: #000;
  border-color: var(--accent-gold);
}

/* Calculator Section */
.calculator-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

@media (max-width: 992px) {
  .calculator-container {
    grid-template-columns: 1fr;
    padding: 2rem;
    gap: 2rem;
  }
}

.calculator-left {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.calc-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.calc-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.calc-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}

.calc-value-display {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent-gold);
  font-size: 1.1rem;
}

/* Custom Select & Grid Selector */
.type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.75rem;
}

.type-option {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-normal);
}

.type-option:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
}

.type-option.selected {
  background: var(--accent-gold-glow);
  border-color: var(--accent-gold);
  box-shadow: 0 0 12px var(--accent-gold-glow);
}

.type-option-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  display: block;
}

.type-option-name {
  font-size: 0.85rem;
  font-weight: 600;
}

/* Custom Sliders */
.slider-container {
  position: relative;
  margin-top: 0.5rem;
}

.custom-range {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: #1e2330;
  outline: none;
}

.custom-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-gold);
  cursor: pointer;
  box-shadow: 0 0 8px rgba(212, 175, 55, 0.5);
  transition: var(--transition-fast);
}

.custom-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: var(--accent-gold-hover);
}

.slider-limits {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

/* Selection Cards (Row) */
.options-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.75rem;
}

.pill-option {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.5rem;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-normal);
}

.pill-option:hover {
  background: rgba(255, 255, 255, 0.06);
}

.pill-option.selected {
  background: var(--accent-gold-glow);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

/* Right Column: Pricing Display Card */
.calculator-right {
  display: flex;
  flex-direction: column;
}

.quote-card {
  background: rgba(10, 11, 13, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.quote-card-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
}

.quote-card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
}

.quote-card-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.quote-details {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.quote-detail-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.quote-detail-item.total {
  border-top: 1px dashed var(--border-color);
  padding-top: 1.25rem;
  margin-top: 0.5rem;
}

.quote-detail-item.total span:first-child {
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
}

.quote-total-val {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-gold);
  line-height: 1;
}

.quote-card-cta {
  width: 100%;
  padding: 1rem;
  background-color: var(--accent-gold);
  color: #000;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-align: center;
  transition: var(--transition-normal);
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.2);
}

.quote-card-cta:hover {
  background-color: var(--accent-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(212, 175, 55, 0.35);
}

.quote-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 1rem;
}

/* Why Choose Us Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  transition: var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  border-color: rgba(212, 175, 55, 0.2);
}

.feature-icon-box {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-md);
  background: var(--accent-gold-glow);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.feature-card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feature-card-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Contact / Booking Section */
.contact-wrapper {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
}

@media (max-width: 992px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.contact-info-col {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.contact-info-desc {
  color: var(--text-secondary);
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-item-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.contact-item-value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.contact-item-value:hover {
  color: var(--accent-gold);
}

/* Booking Form */
.booking-form-box {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
}

@media (max-width: 576px) {
  .booking-form-box {
    padding: 2rem 1.5rem;
  }
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 576px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

.form-group-full {
  grid-column: span 2;
}

@media (max-width: 576px) {
  .form-group-full {
    grid-column: span 1;
  }
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--text-primary);
  transition: var(--transition-normal);
  width: 100%;
}

.form-input:focus {
  border-color: var(--accent-gold);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 0 8px rgba(212, 175, 55, 0.1);
}

textarea.form-input {
  min-height: 120px;
  resize: vertical;
}

.form-submit-btn {
  width: 100%;
  padding: 1rem;
  background: var(--accent-gold);
  color: #000;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.20);
}

.form-submit-btn:hover {
  background: var(--accent-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(212, 175, 55, 0.35);
}

.form-success-msg {
  display: none;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
  padding: 1rem;
  border-radius: var(--radius-sm);
  text-align: center;
  font-weight: 600;
  margin-top: 1.5rem;
  animation: fadeInUp 0.5s ease-out;
}

/* Footer Section */
footer {
  background: #06070a;
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 320px;
}

.footer-brand-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 1rem;
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-links-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-links-list a:hover {
  color: var(--accent-gold);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Zhenpin Roman Shades Custom Quotation System Styles
   ========================================================================== */

.container-wide {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gold-highlight {
  color: var(--accent-gold) !important;
  font-weight: 600;
}

.gold-btn {
  background: linear-gradient(135deg, #d4af37 0%, #aa7c11 100%) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.35) !important;
}

.gold-btn:hover {
  background: linear-gradient(135deg, #e5be48 0%, #bb8d1b 100%) !important;
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5) !important;
}

/* Pricing Rule Banner */
.pricing-rule-banner {
  background: var(--bg-card);
  border: 1px solid var(--accent-gold-glow);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  margin: 1.5rem auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  max-width: 980px;
}

.rule-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.rule-steps {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.step-tag {
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border-color);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.step-tag.highlight-tag {
  background: rgba(197, 155, 39, 0.12);
  border-color: rgba(197, 155, 39, 0.3);
  color: var(--accent-gold);
  font-weight: 700;
}

.step-tag.discount-tag {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: #10b981;
  font-weight: 700;
}

.rule-steps .arrow {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Panel Card & App Wrapper */
.roman-app-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2rem;
}

.panel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  backdrop-filter: var(--glass-blur);
  padding: 1.75rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.panel-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.preset-action-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.btn-preset-load {
  background: var(--bg-secondary);
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-preset-load:hover {
  background: var(--accent-gold);
  color: #ffffff;
  box-shadow: 0 2px 8px var(--accent-gold-glow);
}

.btn-preset-clear {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-preset-clear:hover {
  background: #ef4444;
  color: #ffffff;
}

/* Language Toggle */
.lang-toggle-box {
  display: flex;
  background: rgba(0, 0, 0, 0.05);
  padding: 3px;
  border-radius: var(--radius-full);
}

.lang-btn {
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  color: var(--text-secondary);
}

.lang-btn.active {
  background: var(--bg-secondary);
  color: var(--accent-gold);
  box-shadow: var(--shadow-sm);
}

/* Customer Config Form Grid */
.customer-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

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

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control, .form-select {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.9rem;
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: var(--transition-fast);
  width: 100%;
}

.form-control:focus, .form-select:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px var(--accent-gold-glow);
}

/* Discount Selector Buttons */
.discount-config-group {
  background: rgba(197, 155, 39, 0.04);
  border: 1px solid rgba(197, 155, 39, 0.2);
  padding: 1.25rem;
  border-radius: var(--radius-md);
}

.discount-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.discount-badge-val {
  background: var(--accent-gold);
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

/* Manual Discount Input Container & Shortcuts */
.manual-discount-container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.manual-discount-input-wrap {
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border: 2px solid var(--accent-gold);
  border-radius: var(--radius-md);
  padding: 0.3rem 0.8rem;
  box-shadow: 0 2px 10px var(--accent-gold-glow);
}

.input-prefix {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin-right: 0.4rem;
}

.manual-disc-input {
  width: 90px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  text-align: center;
  border: none;
  background: transparent;
  padding: 0.2rem 0;
}

.input-suffix {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent-gold);
}

.discount-presets-quick {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.quick-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.discount-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.4rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  color: var(--text-primary);
}

.discount-btn:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.discount-btn.active {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
  color: #ffffff;
  box-shadow: 0 2px 8px var(--accent-gold-glow);
}

.custom-discount-box {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.85rem;
  font-weight: 600;
  margin-left: 0.5rem;
}

.custom-disc-input {
  width: 70px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.5rem;
  text-align: center;
  font-weight: 700;
}

/* Configurator & Visual Guide Grid */
.configurator-builder-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
}

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

.builder-step {
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px dashed var(--border-color);
}

.builder-step:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.step-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.step-num {
  background: var(--accent-gold);
  color: #ffffff;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
}

/* Product Category Selection Bar */
.product-category-bar {
  margin-bottom: 1.25rem;
  background: rgba(15, 23, 42, 0.03);
  padding: 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.category-tabs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.5rem;
}

.category-tab-btn {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.85rem;
  cursor: pointer;
  transition: var(--transition-normal);
  text-align: left;
}

.category-tab-btn:hover {
  border-color: var(--accent-gold);
  transform: translateY(-2px);
}

.category-tab-btn.active {
  border-color: var(--accent-gold);
  background: linear-gradient(135deg, rgba(197, 155, 39, 0.12) 0%, rgba(197, 155, 39, 0.04) 100%);
  box-shadow: 0 0 0 3px var(--accent-gold-glow);
}

.cat-icon {
  font-size: 1.4rem;
}

.cat-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.cat-title .sub {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* System Selection Cards Grid */
.system-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 0.85rem;
  max-height: 380px;
  overflow-y: auto;
  padding-right: 0.4rem;
}

.sys-card {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.9rem;
  cursor: pointer;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

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

.sys-card.selected {
  border-color: var(--accent-gold);
  background: rgba(197, 155, 39, 0.05);
  box-shadow: 0 0 0 3px var(--accent-gold-glow);
}

.sys-card-code {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-gold);
  text-transform: uppercase;
}

.sys-img-wrap {
  width: 100%;
  height: 110px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin: 0.4rem 0 0.5rem 0;
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

.sys-card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.sys-card:hover .sys-card-img {
  transform: scale(1.05);
}

.sys-card-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0.2rem 0;
}

.sys-card-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.4rem;
}

.sys-badge {
  background: rgba(0, 0, 0, 0.05);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
}

.sys-limit-text {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.4rem;

}

/* Fabric Filter Tabs & Cards Grid */
.fabric-filter-tabs {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  margin-bottom: 0.85rem;
}

.fab-tab {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
  color: var(--text-secondary);
}

.fab-tab.active {
  background: var(--text-primary);
  color: #ffffff;
  border-color: var(--text-primary);
}

.fabric-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 0.4rem;
}

.fab-card {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.8rem;
  cursor: pointer;
  transition: var(--transition-normal);
}

.fab-card:hover {
  border-color: var(--accent-gold);
}

.fab-card.selected {
  border-color: var(--accent-gold);
  background: rgba(197, 155, 39, 0.05);
  box-shadow: 0 0 0 3px var(--accent-gold-glow);
}

.fab-card-code {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text-primary);
}

.fab-card-name {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin: 0.2rem 0;
}

.fab-card-type {
  font-size: 0.7rem;
  font-weight: 700;
  display: inline-block;
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
}

.fab-card-type.blackout {
  background: rgba(15, 23, 42, 0.1);
  color: #0f172a;
}

.fab-card-type.light-filtering {
  background: rgba(245, 158, 11, 0.15);
  color: #b45309;
}

/* Dimensions Input & Validation Alert */
.dims-input-row {
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
}

.dim-box {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.dim-box label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.dim-input {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.8rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  width: 100%;
}

.dim-cross {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-muted);
  padding-bottom: 0.6rem;
}

.dimension-alert-box {
  margin-top: 0.85rem;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dimension-alert-box.valid {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #065f46;
}

.dimension-alert-box.warning {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #991b1b;
}

/* Options Inline Grid */
.options-inline-grid, .addons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.85rem;
}

.item-meta-row {
  display: flex;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.flex-2 { flex: 2; }
.flex-1 { flex: 1; }

/* Item Live Price Summary Card */
.item-live-price-card {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 1.1rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 640px) {
  .item-live-price-card {
    grid-template-columns: repeat(2, 1fr);
  }
}

.live-price-col {
  display: flex;
  flex-direction: column;
}

.live-price-col .price-label {
  font-size: 0.72rem;
  color: #94a3b8;
  text-transform: uppercase;
}

.live-price-col .price-val {
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: 0.1rem;
}

.price-val.text-strike {
  text-decoration: line-through;
  color: #94a3b8;
  font-size: 0.95rem;
}

.price-val.text-gold {
  color: #f59e0b;
  font-size: 1.35rem;
}

.btn-add-item {
  width: 100%;
  background: linear-gradient(135deg, #c59b27 0%, #96741b 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.9rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 4px 15px rgba(197, 155, 39, 0.3);
}

.btn-add-item:hover {
  background: linear-gradient(135deg, #d4af37 0%, #a8811f 100%);
  box-shadow: 0 6px 20px rgba(197, 155, 39, 0.45);
}

/* Visual Guide Tabs & Cards */
.guide-tabs-nav {
  display: flex;
  gap: 0.4rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.guide-tab-btn {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
}

.guide-tab-btn.active {
  background: var(--accent-gold-glow);
  color: var(--accent-gold);
}

.guide-tab-content {
  display: none;
}

.guide-tab-content.active {
  display: block;
}

.guide-cards-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.guide-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.9rem;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.guide-icon-box {
  background: rgba(0, 0, 0, 0.04);
  font-size: 1.4rem;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.guide-info h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.guide-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
  line-height: 1.4;
}

/* Quotation Sheet Container & Printable Layout */
.quotation-sheet-card {
  background: #f1f5f9;
  padding: 1.5rem;
}

.sheet-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.sheet-title-tag {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.badge-item-count {
  background: var(--accent-gold);
  color: #ffffff;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.sheet-actions {
  display: flex;
  gap: 0.75rem;
}

.btn-export-excel {
  background: #107c41;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 4px 12px rgba(16, 124, 65, 0.25);
}

.btn-export-excel:hover {
  background: #0b6a35;
  box-shadow: 0 6px 16px rgba(16, 124, 65, 0.35);
}

.btn-print-pdf {
  background: #2563eb;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-print-pdf:hover {
  background: #1d4ed8;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}

/* Official William Quotation Sheet Replica Design */
.william-quote-sheet {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  border-radius: 4px;
  padding: 2.5rem;
  color: #1e293b;
  font-family: 'Inter', -apple-system, Arial, sans-serif;
}

.quote-sheet-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 3px double #1f4e78;
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.company-name-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: #1f4e78;
  letter-spacing: 0.5px;
}

.company-sub-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #475569;
  margin: 0.2rem 0;
}

.company-address-line {
  font-size: 0.78rem;
  color: #64748b;
}

.sheet-doc-title {
  text-align: right;
}

.sheet-doc-title h2 {
  font-size: 1.2rem;
  font-weight: 800;
  color: #1f4e78;
}

.doc-meta-row {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.8rem;
  color: #334155;
  margin-top: 0.4rem;
}

.quote-client-info-box {
  border: 1px solid #cbd5e1;
  background: #f8fafc;
  border-radius: 4px;
  margin-bottom: 1.5rem;
}

.client-info-row {
  display: flex;
  border-bottom: 1px solid #e2e8f0;
}

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

.info-cell {
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.info-label {
  font-weight: 700;
  color: #475569;
}

.info-val {
  font-weight: 600;
  color: #0f172a;
}

/* William Quotation Table */
.quote-table-wrapper {
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.william-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.william-table th {
  background: #1f4e78;
  color: #ffffff;
  font-weight: 700;
  padding: 0.75rem 0.6rem;
  text-align: left;
  border: 1px solid #163a5a;
}

.william-table td {
  padding: 0.75rem 0.6rem;
  border: 1px solid #cbd5e1;
  vertical-align: top;
}

.william-table tbody tr:nth-child(even) {
  background: #f8fafc;
}

.william-table tbody tr:hover {
  background: #f1f5f9;
}

.btn-row-delete {
  color: #ef4444;
  font-weight: 700;
  cursor: pointer;
  padding: 0.2rem 0.5rem;
}

.btn-row-delete:hover {
  background: rgba(239, 68, 68, 0.1);
  border-radius: 4px;
}

/* Footer Summary Block */
.quote-sheet-footer {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1.5rem;
  border-top: 2px solid #cbd5e1;
  padding-top: 1.25rem;
}

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

.notes-head {
  font-size: 0.85rem;
  font-weight: 800;
  color: #1f4e78;
  margin-bottom: 0.5rem;
}

.notes-list {
  font-size: 0.78rem;
  color: #475569;
  padding-left: 1.2rem;
}

.notes-list li {
  margin-bottom: 0.35rem;
  line-height: 1.4;
}

.summary-total-col {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  padding: 1rem;
}

.total-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  padding: 0.35rem 0;
  border-bottom: 1px dashed #e2e8f0;
}

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

.total-row.main-subtotal {
  font-weight: 700;
  color: #0f172a;
  border-bottom: 1px solid #cbd5e1;
}

.total-row.grand-total-row {
  background: #1f4e78;
  color: #ffffff;
  margin: 0.5rem -1rem -1rem -1rem;
  padding: 0.75rem 1rem;
  border-radius: 0 0 3px 3px;
  font-weight: 800;
  font-size: 1.05rem;
}

.text-muted-en {
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 400;
  display: inline-block;
  margin-top: 0.15rem;
}

/* Print CSS Rules - Strict Single-Page Layout (取消空白、单页打满) */
@page {
  size: letter portrait;
  margin: 0.25in;
}

@media print {
  html, body {
    height: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
    background: #ffffff !important;
  }

  body * {
    visibility: hidden;
  }

  /* Hide all non-printable UI elements */
  header, footer, nav, .hero-section, .builder-step, .customer-settings-panel,
  .sheet-action-bar, .calculator-card, .lightbox-modal, .no-print {
    display: none !important;
  }

  /* Force Quotation Paper to fit 100% on Single Page */
  #william-quote-paper, #william-quote-paper * {
    visibility: visible;
  }

  #william-quote-paper {
    position: absolute;
    left: 0;
    top: 0;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0.5rem !important;
    box-shadow: none !important;
    border: 1px solid #1e293b !important;
    background: #ffffff !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
    page-break-after: avoid !important;
  }

  /* Compact Spacing for Single Page Fitting */
  .quote-sheet-header {
    margin-bottom: 0.5rem !important;
    padding-bottom: 0.5rem !important;
    border-bottom: 2px solid #1e293b !important;
  }

  .company-name-title {
    font-size: 1.25rem !important;
    margin-bottom: 0.15rem !important;
  }

  .company-sub-title {
    font-size: 0.75rem !important;
    margin-bottom: 0.15rem !important;
  }

  .company-address-line {
    font-size: 0.7rem !important;
  }

  .sheet-doc-title h2 {
    font-size: 1.1rem !important;
  }

  .quote-client-info-box {
    margin-bottom: 0.5rem !important;
    padding: 0.4rem 0.6rem !important;
  }

  .info-label {
    font-size: 0.7rem !important;
  }

  .info-value {
    font-size: 0.75rem !important;
  }

  /* Compact Table Layout */
  .quote-items-table {
    margin-bottom: 0.5rem !important;
  }

  .quote-items-table th {
    padding: 4px 6px !important;
    font-size: 0.7rem !important;
  }

  .quote-items-table td {
    padding: 4px 6px !important;
    font-size: 0.72rem !important;
  }

  .table-sys-img {
    width: 45px !important;
    height: 35px !important;
  }

  /* Compact Footer Summary & Signature Block */
  .quote-summary-row {
    margin-top: 0.5rem !important;
    padding-top: 0.4rem !important;
  }

  .summary-col-terms {
    font-size: 0.68rem !important;
  }

  .totals-table td {
    padding: 3px 6px !important;
    font-size: 0.75rem !important;
  }

  .totals-table .grand-total-row td {
    font-size: 0.9rem !important;
  }

  .quote-signature-block {
    margin-top: 0.5rem !important;
    padding-top: 0.4rem !important;
  }

  .sig-title {
    font-size: 0.7rem !important;
  }

  .sig-line {
    margin-top: 1rem !important;
  }
}

/* Proforma Invoice Form Layout (Matches JIN PARK DESIGN LLC Template) */
.proforma-invoice-paper {
  background: #ffffff;
  color: #1e293b;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  border: 1px solid var(--border-color);
}

.proforma-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 0.35rem;
}

.proforma-company-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: #A83B24; /* Terracotta Red from Reference Image */
  letter-spacing: 0.5px;
  margin: 0;
}

.proforma-form-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: #0f172a;
  margin: 0;
}

.proforma-divider-line {
  height: 3px;
  background-color: #A83B24;
  margin-bottom: 1rem;
}

.proforma-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.88rem;
  line-height: 1.6;
}

.proforma-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
  font-size: 0.82rem;
}

.proforma-table th {
  background-color: #A83B24; /* Terracotta Red Header */
  color: #ffffff;
  font-weight: 700;
  padding: 8px 10px;
  text-align: left;
  border: 1px solid #A83B24;
}

.proforma-table td {
  padding: 8px 10px;
  border: 1px solid #cbd5e1;
  color: #0f172a;
}

.proforma-summary-wrap {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1rem;
}

.proforma-totals-table {
  width: 320px;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.proforma-totals-table td {
  padding: 6px 12px;
  border: 1px solid #cbd5e1;
}

.proforma-totals-table .tot-label {
  font-weight: 600;
  background-color: #f8fafc;
}

.proforma-totals-table .tot-val {
  text-align: right;
  font-weight: 700;
}

.proforma-totals-table .grand-total-row td {
  background-color: #A83B24;
  color: #ffffff;
  font-weight: 800;
  font-size: 0.95rem;
}

.proforma-terms-box {
  margin-top: 1rem;
  font-size: 0.75rem;
  color: #334155;
  line-height: 1.5;
  border-top: 1px solid #e2e8f0;
  padding-top: 0.75rem;
}

.proforma-terms-box .terms-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.35rem;
}

.proforma-terms-box .terms-list {
  padding-left: 1.2rem;
  margin: 0;
}

.proforma-signature-grid {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 0.5rem;
}

.proforma-signature-grid .sig-col {
  width: 45%;
}

.proforma-signature-grid .sig-line {
  border-bottom: 1px solid #475569;
  margin-bottom: 0.35rem;
}

.proforma-signature-grid .sig-label {
  font-size: 0.75rem;
  color: #475569;
}

/* Image Lightbox Fullscreen Modal */
.lightbox-modal {
  display: none;
  position: fixed;
  z-index: 99999;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox-modal.show {
  display: flex;
  opacity: 1;
}

.lightbox-wrapper {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  border: 2px solid rgba(255, 255, 255, 0.15);
  background: #ffffff;
}

.lightbox-caption {
  margin-top: 1rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  text-align: center;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.lightbox-close {
  position: absolute;
  top: 25px;
  right: 35px;
  color: #ffffff;
  font-size: 2.5rem;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.2s ease, color 0.2s ease;
  line-height: 1;
}

.lightbox-close:hover {
  color: var(--accent-gold);
  transform: scale(1.2);
}

/* Pointer cursor for zoomable images */
.sys-card-img, .guide-card img, .sys-img-wrap img, .table-sys-img {
  cursor: zoom-in;
}

/* Table System Image Thumbnail */
.table-sys-img {
  width: 68px;
  height: 52px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: #ffffff;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.table-sys-img:hover {
  transform: scale(1.1);
  border-color: var(--accent-gold);
}

/* --- Window Measurement & Design Proposal Card Styles --- */
.proposal-card-paper {
  width: 100%;
  max-width: 600px;
  background: #FAF6F0;
  border-radius: 16px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
  border: 1px solid #EAE2D8;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #1E293B;
}

.proposal-top-header {
  border-bottom: 2px solid #E5DCD0;
  padding-bottom: 0.6rem;
  margin-bottom: 1rem;
}

.proposal-top-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #0F172A;
  margin: 0;
  letter-spacing: -0.01em;
}

.proposal-diagram-area {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 1.25rem;
  padding: 1.25rem 0.5rem;
  background: #FAF6F0;
  border-radius: 12px;
  margin-bottom: 1.25rem;
}

.window-diagram-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.dim-top-label {
  font-size: 0.8rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.window-frame-graphic {
  position: relative;
  width: 110px;
  height: 160px;
  border: 4px solid #1E293B;
  border-radius: 3px;
  background: linear-gradient(to bottom, #dbeafe, #eff6ff);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.window-shade-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 65%;
  background: linear-gradient(135deg, #f5f5f4, #e7e5e4);
  border-bottom: 3px solid #d6d3d1;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.dim-side-label {
  position: absolute;
  right: -36px;
  top: 24px;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: #0F172A;
  white-space: nowrap;
}

.dim-v-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1.5px;
  background-color: #0F172A;
  transform: translateX(-50%);
}

.dim-v-line::before {
  content: '';
  position: absolute;
  top: 0;
  left: -3px;
  width: 7.5px;
  height: 1.5px;
  background-color: #0F172A;
}

.dim-v-line::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -3px;
  width: 7.5px;
  height: 1.5px;
  background-color: #0F172A;
}

.dim-v-text {
  position: relative;
  background: #FAF6F0;
  padding: 1px 3px;
  border-radius: 3px;
  z-index: 2;
  font-size: 0.72rem;
  font-weight: 800;
  color: #0F172A;
}

.proposal-scheme-card {
  background: #FFFFFF;
  border-radius: 14px;
  padding: 1.25rem 1.35rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.04);
  border: 1px solid #EAE2D8;
}

.scheme-card-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: #0F172A;
  margin: 0 0 0.4rem 0;
}

.scheme-card-subtitle {
  font-size: 0.95rem;
  font-weight: 700;
  color: #334155;
  margin-bottom: 0.75rem;
}

.scheme-bullets-grid {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.scheme-bullet-item {
  font-size: 0.82rem;
  color: #334155;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.scheme-images-flex {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.scheme-swatch-box {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.scheme-swatch-img {
  width: 100%;
  height: 110px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #E2E8F0;
}

.scheme-swatch-desc {
  font-size: 0.78rem;
  font-weight: 600;
  color: #475569;
  margin-top: 4px;
  text-align: center;
}

/* Proforma Invoice Clean Plain Text Inputs (No Dashed/Dotted Outlines) */
.proforma-invoice-paper .table-inline-input,
.proforma-invoice-paper .table-inline-select,
.proforma-invoice-paper input,
.proforma-invoice-paper select {
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  outline: none !important;
  padding: 1px 2px !important;
  color: inherit !important;
  appearance: none !important;
  -webkit-appearance: none !important;
}

.proforma-invoice-paper .table-inline-input:hover,
.proforma-invoice-paper .table-inline-select:hover,
.proforma-invoice-paper .table-inline-input:focus,
.proforma-invoice-paper .table-inline-select:focus {
  background: rgba(37, 99, 235, 0.05) !important;
  border-radius: 3px !important;
}

.proforma-invoice-paper input[type=number]::-webkit-inner-spin-button,
.proforma-invoice-paper input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.proforma-invoice-paper input[type=number] {
  -moz-appearance: textfield;
}

/* Proposal Template Theme Variations */
.proposal-card-paper.theme-cream {
  background: #FAF6F0;
  border-color: #EAE2D8;
  color: #1E293B;
}

.proposal-card-paper.theme-terracotta {
  background: #FFFDF9;
  border: 2px solid #A83B24;
  color: #0F172A;
}

.proposal-card-paper.theme-terracotta .proposal-top-header {
  background: #A83B24;
  color: #FFFFFF;
  padding: 0.75rem 1rem;
  border-radius: 12px 12px 0 0;
  margin: -1.25rem -1.5rem 1rem -1.5rem;
}

.proposal-card-paper.theme-terracotta .proposal-top-title {
  color: #FFFFFF;
}

.proposal-card-paper.theme-dark {
  background: #1E293B;
  border-color: #334155;
  color: #F8FAFC;
}

.proposal-card-paper.theme-dark .proposal-top-title,
.proposal-card-paper.theme-dark .scheme-card-title,
.proposal-card-paper.theme-dark .dim-top-label,
.proposal-card-paper.theme-dark .dim-side-label {
  color: #F8FAFC;
}

.proposal-card-paper.theme-dark .proposal-diagram-area {
  background: #0F172A;
}

.proposal-card-paper.theme-dark .proposal-scheme-card {
  background: #0F172A;
  border-color: #334155;
  color: #F8FAFC;
}

.proposal-card-paper.theme-dark .scheme-card-subtitle,
.proposal-card-paper.theme-dark .scheme-bullet-item {
  color: #CBD5E1;
}

.proposal-card-paper.theme-wood {
  background: #FDFBF7;
  border: 2px solid #D7C4B7;
  color: #2D241E;
}

.proposal-card-paper.theme-wood .proposal-top-header {
  border-bottom: 2px solid #8C6D58;
}

.proposal-card-paper.theme-wood .proposal-top-title {
  color: #5C4033;
}

/* ==========================================================================
   Interactive Hand-Editable Proforma Invoice Paper Styles
   ========================================================================== */
.proforma-invoice-paper [contenteditable="true"] {
  border-bottom: 1.5px dashed #3B82F6;
  padding: 1px 4px;
  border-radius: 3px;
  background: rgba(59, 130, 246, 0.04);
  transition: all 0.2s ease;
  cursor: text;
  display: inline-block;
  min-width: 30px;
}

.proforma-invoice-paper [contenteditable="true"]:hover {
  background: rgba(59, 130, 246, 0.1);
  border-bottom-color: #1D4ED8;
}

.proforma-invoice-paper [contenteditable="true"]:focus {
  background: #FFFFFF;
  border-bottom: 2px solid #2563EB;
  box-shadow: 0 0 6px rgba(37, 99, 235, 0.25);
  outline: none;
}

@media print {
  body {
    background: #ffffff !important;
    padding: 0 !important;
    margin: 0 !important;
  }
  .navbar, .hero-banner, .config-section, .no-print {
    display: none !important;
  }
  .proforma-invoice-paper [contenteditable="true"] {
    border-bottom: none !important;
    background: transparent !important;
    box-shadow: none !important;
    padding: 0 !important;
  }
  .no-print-edit-badge {
    display: none !important;
  }
  .proforma-invoice-paper {
    box-shadow: none !important;
    border: none !important;
    margin: 0 auto !important;
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
  }
}