/* Modern Professional Brand Palette */
:root {
  --brand-red: #e01f2d;
  --brand-red-ink: #b31422;
  --brand-cream: #fceadb;
  --brand-cream-2: #f7d9bf;
  --ink: #1a1a1a;
  --ink-2: #4a4a4a;
  --ink-light: #6b7280;
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-accent: #fef7f0;
  --card: #ffffff;
  --glass: rgba(255, 255, 255, 0.95);
  --border: #e5e7eb;
  --border-light: #f3f4f6;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --gradient-brand: linear-gradient(135deg, var(--brand-red) 0%, #ff6b7a 100%);
  --gradient-soft: linear-gradient(135deg, #fef7f0 0%, #ffffff 100%);
  --gradient-accent: linear-gradient(135deg, var(--brand-cream) 0%, var(--brand-cream-2) 100%);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Modern Reset and Base Styles */
* { 
  box-sizing: border-box; 
  margin: 0;
  padding: 0;
}

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

body {
  height: 100vh;
  font-family: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  color: var(--ink);
  background: linear-gradient(135deg, #fef7f0 0%, #ffffff 50%, #fef2ed 100%);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Container System */
.container {
  width: min(1200px, calc(100% - var(--spacing-xl)));
  margin-inline: auto;
  padding-inline: var(--spacing);
}

/* Modern Background Elements */
.bg.fx {
  position: fixed;
  inset: -20vh -20vw auto auto;
  width: 60vmax;
  height: 60vmax;
  background: radial-gradient(circle at 30% 20%, rgba(224, 31, 45, 0.08), transparent 70%);
  filter: blur(40px);
  opacity: 0.9;
  pointer-events: none;
  z-index: 0;
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-20px) rotate(1deg); }
  66% { transform: translateY(10px) rotate(-1deg); }
}

.fx-2 { 
  inset: auto auto -25vh -20vw; 
  width: 70vmax; 
  height: 70vmax; 
  opacity: 0.7;
  animation-delay: -7s;
  background: radial-gradient(circle at 70% 80%, rgba(224, 31, 45, 0.06), transparent 60%);
}

.fx-3 { 
  inset: 30vh -25vw auto auto; 
  width: 40vmax; 
  height: 40vmax; 
  opacity: 0.6;
  animation-delay: -14s;
  background: radial-gradient(circle at 50% 50%, rgba(224, 31, 45, 0.05), transparent 50%);
}

/* Modern Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border-top: 3px solid var(--brand-red);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) 0 var(--spacing);
}

.logo-img { 
  width: 80px; 
  height: 80px; 
  object-fit: contain; 
  border-radius: var(--radius-lg); 
  background: var(--gradient-soft); 
  padding: var(--spacing-sm); 
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 2px solid var(--border-light);
}

.brand:hover .logo-img { 
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-red);
}

.brand-text h1 {
  margin: 0; 
  font-size: clamp(1.5rem, 4vw, 2.25rem); 
  color: var(--brand-red);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  text-shadow: 0 1px 2px rgba(224, 31, 45, 0.1);
}

.brand-text p { 
  margin: var(--spacing-xs) 0 0; 
  color: var(--ink); 
  font-size: 0.95rem;
  font-weight: 500;
}

/* Modern Controls */
.controls {
  display: flex; 
  align-items: center; 
  gap: var(--spacing-lg); 
  padding: var(--spacing) 0 var(--spacing-lg); 
  flex-wrap: wrap;
}

.chips { 
  display: flex; 
  flex-wrap: wrap; 
  gap: var(--spacing-sm); 
  max-width: 100%; 
  overflow-x: auto; 
  padding-bottom: var(--spacing-xs);
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.chips::-webkit-scrollbar { 
  height: 4px; 
}

.chips::-webkit-scrollbar-thumb { 
  background: var(--border); 
  border-radius: var(--radius-sm); 
}

.chips::-webkit-scrollbar-track {
  background: transparent;
}

.chip { 
  cursor: pointer; 
  border: 1px solid var(--border); 
  color: var(--ink-2);
  background: var(--card); 
  padding: var(--spacing-sm) var(--spacing); 
  border-radius: var(--radius-xl);
  transition: var(--transition-fast); 
  font-weight: 600; 
  font-size: 0.875rem;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.chip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-brand);
  opacity: 0;
  transition: var(--transition-fast);
  z-index: -1;
}

.chip:hover { 
  transform: translateY(-1px); 
  box-shadow: var(--shadow);
  border-color: var(--brand-red);
}

.chip.active { 
  background: var(--brand-red); 
  color: white; 
  border-color: var(--brand-red);
  box-shadow: var(--shadow);
}

.chip.active::before {
  opacity: 1;
}

.divider { 
  flex: 1 1 auto; 
  height: 1px; 
  min-width: 60px; 
  background: var(--border-light); 
}

.lang-switch { 
  display: inline-flex; 
  border-radius: var(--radius); 
  overflow: hidden; 
  border: 1px solid var(--border); 
  background: var(--card);
  box-shadow: var(--shadow-sm);
}

.lang { 
  background: transparent; 
  color: var(--ink-2); 
  padding: var(--spacing-sm) var(--spacing); 
  border: 0; 
  cursor: pointer; 
  font-weight: 600;
  transition: var(--transition-fast);
  font-size: 0.875rem;
}

.lang:hover {
  background: var(--bg-accent);
}

.lang.active { 
  background: var(--brand-red); 
  color: white;
}

/* Modern Sections */
.sections { 
  display: grid; 
  gap: var(--spacing-2xl); 
  padding: var(--spacing-2xl) 0 var(--spacing-2xl); 
}

.section-card {
  position: relative;
  background: var(--card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--brand-red);
  transition: var(--transition);
}

.section-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-left-color: var(--brand-red);
  border-left-width: 6px;
}

.section-header { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  gap: var(--spacing); 
  padding: var(--spacing-lg) var(--spacing-xl); 
  border-bottom: 1px solid var(--border-light);
  background: var(--gradient-soft);
}

.section-title { 
  display: flex; 
  align-items: center; 
  gap: var(--spacing); 
}

.section-title .badge { 
  background: var(--gradient-brand); 
  color: white; 
  border-radius: 50%; 
  width: 44px; 
  height: 44px; 
  display: grid; 
  place-items: center; 
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: var(--shadow);
  border: 3px solid white;
}

.section-title h2 { 
  margin: 0; 
  font-size: clamp(1.25rem, 3vw, 1.75rem); 
  color: var(--brand-red); 
  font-weight: 700;
  letter-spacing: -0.025em;
}

.section-note { 
  margin: 0; 
  color: var(--ink-light); 
  font-size: 0.9rem;
  font-weight: 500;
}

/* Modern Items Grid */
.items { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
  gap: var(--spacing-lg); 
  padding: var(--spacing-xl);
}

.item {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 0;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transform: translateY(12px) scale(0.98);
  opacity: 0;
  transition: var(--transition);
  cursor: pointer;
  overflow: hidden;
  position: relative;
}

.item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-brand);
  opacity: 0;
  transition: var(--transition);
  z-index: -1;
}

.item:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-red);
}

.item:hover::before {
  opacity: 0.02;
}

.item.show { 
  transform: none; 
  opacity: 1; 
}

.item .thumb { 
  width: 100%; 
  aspect-ratio: 16/11; 
  border-radius: 0;
  background: var(--gradient-accent); 
  display: block; 
  object-fit: cover; 
  margin-bottom: 0;
  border-bottom: 1px solid var(--border-light);
}

.item h3 { 
  margin: 0; 
  font-size: 1.125rem; 
  color: var(--brand-red); 
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.3;
}

.item p { 
  margin: var(--spacing-xs) 0 0; 
  color: var(--ink-light); 
  font-size: 0.875rem;
  line-height: 1.5;
}

.item-content {
  padding: var(--spacing-lg);
}

.item .pill { 
  margin-top: var(--spacing); 
  display: inline-block; 
  background: var(--bg-accent); 
  color: var(--brand-red-ink); 
  border-radius: var(--radius-xl); 
  padding: var(--spacing-xs) var(--spacing-sm); 
  font-weight: 600; 
  font-size: 0.8rem;
  border: 1px solid var(--border-light);
}

.pill-group { 
  display: flex; 
  gap: var(--spacing-sm); 
  flex-wrap: wrap; 
  margin-top: var(--spacing);
}
/* Modern Pills */
.pill-badge { 
  background: var(--bg-accent); 
  color: var(--brand-red-ink);
  border: 1px solid var(--border-light);
}

.pill-badge-new {
  position: relative;
  background: var(--gradient-brand);
  color: white;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  text-shadow: 0 1px 2px rgba(0,0,0,.2);
  border: 0;
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing);
  box-shadow: var(--shadow), 0 0 0 1px rgba(224,31,45,.2);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { 
    box-shadow: var(--shadow), 0 0 0 1px rgba(224,31,45,.2);
  }
  50% { 
    box-shadow: var(--shadow-lg), 0 0 0 4px rgba(224,31,45,.1);
  }
}

.pill-price { 
  background: var(--card); 
  border: 1px solid var(--border);
  color: var(--brand-red);
  font-weight: 700;
}

/* Modern Footer */
.footer { 
  color: var(--ink-light); 
  padding: var(--spacing-xl) 0 var(--spacing-2xl);
  text-align: center;
  font-size: 0.875rem;
}

/* RTL / LTR helpers */
[dir="ltr"] .brand-text h1 { letter-spacing: -0.025em; }
[dir="ltr"] .brand-text p { font-family: 'Poppins', system-ui; }
[dir="ltr"] body { 
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif; 
}

/* Smooth anchor offset */
:target { scroll-margin-block-start: 120px; }

/* Modern Responsive Design */
@media (max-width: 768px) {
  .container {
    padding-inline: var(--spacing);
  }
  
  .brand {
    gap: var(--spacing);
    padding: var(--spacing) 0;
  }
  
  .logo-img { 
    width: 64px; 
    height: 64px; 
  }
  
  .brand-text h1 {
    font-size: clamp(1.25rem, 5vw, 1.75rem);
  }
  
  .controls { 
    gap: var(--spacing); 
    flex-direction: column;
    align-items: stretch;
  }
  
  .chips { 
    gap: var(--spacing-xs);
    justify-content: center;
  }
  
  .chip {
    font-size: 0.8rem;
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .items { 
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); 
    gap: var(--spacing);
    padding: var(--spacing-lg);
  }
  
  .section-header {
    padding: var(--spacing) var(--spacing-lg);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .section-title .badge {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .items { 
    grid-template-columns: 1fr; 
    gap: var(--spacing);
    padding: var(--spacing);
  }
  
  .item-content {
    padding: var(--spacing);
  }
  
  .controls {
    padding: var(--spacing-sm) 0 var(--spacing);
  }
  
  .lang-switch {
    align-self: center;
  }
}

/* Modern Chat Widget */
.chat-fab { 
  position: fixed; 
  inset: auto var(--spacing-lg) var(--spacing-lg) auto; 
  z-index: 60; 
  width: 64px; 
  height: 64px; 
  border-radius: 50%; 
  background: var(--gradient-brand); 
  color: white; 
  display: grid; 
  place-items: center; 
  box-shadow: var(--shadow-xl); 
  cursor: pointer; 
  border: 3px solid white;
  display: none; /* Temporarily hidden until AI chat is fully developed */
  transition: var(--transition);
  font-size: 1.5rem;
}

.chat-fab:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.chat-panel { 
  position: fixed; 
  inset: auto var(--spacing-lg) 90px auto; 
  width: min(400px, calc(100vw - var(--spacing-xl))); 
  max-height: 70vh; 
  background: var(--card); 
  border-radius: var(--radius-lg); 
  box-shadow: var(--shadow-xl); 
  display: none; 
  flex-direction: column; 
  overflow: hidden; 
  z-index: 60; 
  border: 1px solid var(--border);
}

.chat-panel.show { display: flex; }

.chat-header { 
  background: var(--gradient-brand); 
  color: white; 
  padding: var(--spacing) var(--spacing-lg); 
  display: flex; 
  justify-content: space-between; 
  align-items: center;
  font-weight: 700;
}

.chat-body { 
  padding: var(--spacing); 
  overflow: auto; 
  display: flex; 
  flex-direction: column; 
  gap: var(--spacing-sm); 
  background: var(--bg-secondary);
  flex: 1;
}

.chat-msg { 
  max-width: 85%; 
  padding: var(--spacing-sm) var(--spacing); 
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.4;
}

.chat-user { 
  align-self: flex-end; 
  background: var(--card); 
  border: 1px solid var(--border);
  color: var(--ink);
}

.chat-bot { 
  align-self: flex-start; 
  background: var(--bg-accent); 
  border: 1px solid var(--border-light);
  color: var(--ink);
}

.chat-input { 
  display: flex; 
  gap: var(--spacing-sm); 
  padding: var(--spacing); 
  border-top: 1px solid var(--border); 
  background: var(--card);
}

.chat-input input { 
  flex: 1; 
  padding: var(--spacing-sm) var(--spacing); 
  border-radius: var(--radius); 
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.chat-input input:focus {
  outline: none;
  border-color: var(--brand-red);
  box-shadow: 0 0 0 3px rgba(224, 31, 45, 0.1);
}

.chat-input button { 
  padding: var(--spacing-sm) var(--spacing); 
  border: 0; 
  border-radius: var(--radius); 
  background: var(--gradient-brand); 
  color: white; 
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.chat-input button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

/* Modern Chat Components */
.chat-hint { 
  position: fixed; 
  right: 92px; 
  bottom: 28px; 
  background: var(--card); 
  color: var(--ink); 
  border: 1px solid var(--border); 
  box-shadow: var(--shadow-lg); 
  padding: var(--spacing-sm) var(--spacing); 
  border-radius: var(--radius); 
  z-index: 60; 
  max-width: 280px; 
  display: none;
  font-size: 0.875rem;
}

.chat-hint.show { 
  display: block; 
  animation: hintIn 0.3s ease;
}

@keyframes hintIn { 
  from { 
    transform: translateY(8px); 
    opacity: 0;
  } 
  to { 
    transform: none; 
    opacity: 1;
  } 
}

/* Modern Suggestion Cards */
.chat-cards { 
  display: flex; 
  gap: var(--spacing-sm); 
  flex-wrap: wrap;
}

.chat-card { 
  width: 140px; 
  background: var(--card); 
  border: 1px solid var(--border); 
  border-radius: var(--radius); 
  overflow: hidden; 
  box-shadow: var(--shadow-sm); 
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.chat-card img { 
  width: 100%; 
  aspect-ratio: 4/3; 
  object-fit: cover; 
  background: var(--bg-accent);
}

.chat-card .cc-body { 
  padding: var(--spacing-sm);
}

.chat-card .cc-title { 
  font-weight: 600; 
  font-size: 0.8rem; 
  margin: 0 0 var(--spacing-xs); 
  color: var(--ink);
  line-height: 1.3;
}

.chat-card .cc-price { 
  font-size: 0.75rem; 
  color: var(--brand-red); 
  font-weight: 700;
}

/* Modern Lightbox */
.lightbox { 
  position: fixed; 
  inset: 0; 
  z-index: 50;
}

.lightbox.hidden { 
  display: none; 
}

.lightbox-backdrop { 
  position: absolute; 
  inset: 0; 
  background: rgba(0, 0, 0, 0.6); 
  backdrop-filter: blur(4px);
}

.lightbox-dialog { 
  position: relative; 
  width: min(1100px, calc(100vw - var(--spacing-xl))); 
  max-height: 90vh; 
  margin: 5vh auto; 
  background: var(--card); 
  border-radius: var(--radius-xl); 
  box-shadow: var(--shadow-xl); 
  overflow: hidden; 
  padding: var(--spacing-lg);
  border: 1px solid var(--border);
}

.lb-close { 
  position: absolute; 
  top: var(--spacing); 
  inset-inline-end: var(--spacing); 
  border: 0; 
  background: var(--gradient-brand); 
  color: white; 
  width: 40px; 
  height: 40px; 
  border-radius: var(--radius); 
  cursor: pointer; 
  font-weight: 700; 
  box-shadow: var(--shadow);
  transition: var(--transition-fast);
  font-size: 1.2rem;
}

.lb-close:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.lb-grid { 
  display: grid; 
  grid-template-columns: 2fr 1fr; 
  gap: var(--spacing-xl); 
  align-items: start;
}

.lb-media { 
  background: var(--bg-secondary); 
  border-radius: var(--radius); 
  padding: var(--spacing); 
  border: 1px solid var(--border-light);
}

#lbMainImg { 
  width: 100%; 
  max-height: 60vh; 
  object-fit: contain; 
  border-radius: var(--radius-sm); 
  background: var(--bg-accent);
}

.lb-thumbs { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); 
  gap: var(--spacing-sm); 
  margin-top: var(--spacing);
}

.lb-thumbs img { 
  width: 100%; 
  aspect-ratio: 1; 
  object-fit: cover; 
  border-radius: var(--radius-sm); 
  border: 2px solid transparent; 
  cursor: pointer; 
  background: var(--bg-accent);
  transition: var(--transition-fast);
}

.lb-thumbs img:hover { 
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.lb-thumbs img.active { 
  border-color: var(--brand-red);
  box-shadow: var(--shadow);
}

.lb-info { 
  background: var(--bg-secondary); 
  border-radius: var(--radius); 
  padding: var(--spacing-lg); 
  border: 1px solid var(--border-light); 
  max-height: 64vh; 
  overflow: auto;
}

.lb-info h3 { 
  margin: 0 0 var(--spacing); 
  font-size: 1.5rem; 
  color: var(--brand-red);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.lb-info p { 
  margin: 0; 
  color: var(--ink-light); 
  line-height: 1.6;
  font-size: 0.95rem;
}

@media (max-width: 920px) {
  .lb-grid { 
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .lightbox-dialog {
    margin: var(--spacing) auto;
    max-height: calc(100vh - var(--spacing-xl));
  }
}