/* ============================================
   Lila QR - Modern Light Design 2025
   ============================================ */

/* -- CSS Variables -- */
:root {
  /* Renkler - Modern Açık Palet */
  --color-primary: #8b5cf6;
  --color-primary-dark: #7c3aed;
  --color-primary-light: #a78bfa;
  --color-secondary: #ec4899;
  --color-accent: #06b6d4;
  
  /* Arka Plan - Açık Tonlar */
  --color-bg-base: #fafaf9;
  --color-bg-gradient-start: #fdf4ff;
  --color-bg-gradient-end: #f0f9ff;
  --color-bg-card: #ffffff;
  --color-bg-elevated: rgba(255, 255, 255, 0.95);
  
  /* Metin */
  --color-text-primary: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  
  /* Borders */
  --color-border-light: #e2e8f0;
  --color-border-medium: #cbd5e1;
  
  /* Efektler */
  --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
  --gradient-soft: linear-gradient(135deg, #fdf4ff 0%, #f0f9ff 50%, #fef3f4 100%);
  --gradient-card: linear-gradient(135deg, rgba(139, 92, 246, 0.03) 0%, rgba(236, 72, 153, 0.03) 100%);
  
  /* Gölgeler - Soft & Modern */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 8px 32px rgba(139, 92, 246, 0.2);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Helvetica Neue', Arial, sans-serif;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--gradient-soft);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Animated Background Pattern */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 40% 20%, rgba(6, 182, 212, 0.06) 0%, transparent 50%);
  z-index: -1;
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, -30px) rotate(120deg); }
  66% { transform: translate(-20px, 20px) rotate(240deg); }
}

/* Grain Texture Overlay - Subtle */
.grain-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.02;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' /%3E%3C/svg%3E");
}

/* -- Layout -- */
.shell {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

@media (min-width: 768px) {
  .shell {
    padding: 0 var(--space-md);
  }
}

/* -- Content Section -- */
.content {
  position: relative;
  z-index: 2;
  padding: clamp(12px, 3vh, 24px) 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* -- Branch Cards -- */
.branch-list {
  display: grid;
  gap: clamp(10px, 2vh, 20px);
  animation: fade-in 0.6s ease-out;
  width: 100%;
}

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

.branch-card {
  position: relative;
  background: var(--color-bg-card);
  border: 2px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: clamp(14px, 3vw, 24px);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  animation: scale-in 0.4s ease-out backwards;
}

.branch-card:nth-child(1) { animation-delay: 0.1s; }
.branch-card:nth-child(2) { animation-delay: 0.2s; }
.branch-card:nth-child(3) { animation-delay: 0.3s; }

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Decorative Top Border */
.branch-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

/* Subtle Gradient Background */
.branch-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  opacity: 1;
  transition: opacity var(--transition-base);
  pointer-events: none;
  z-index: 0;
}

.branch-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-light);
}

.branch-card:hover::before {
  opacity: 1;
}

.branch-card:hover::after {
  opacity: 0;
}

/* Recommended Badge Styling */
.branch-card.recommended {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-glow);
}

.branch-card.recommended::before {
  opacity: 1;
  background: linear-gradient(90deg, #8b5cf6 0%, #ec4899 50%, #06b6d4 100%);
  background-size: 200% 100%;
  animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* Card Content */
.branch-card-content {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(10px, 2vh, 16px);
}

.branch-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-xs);
  margin-bottom: clamp(6px, 1.5vh, 12px);
}

.branch-name {
  font-size: clamp(1.1rem, 3.5vw, 1.35rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--color-text-primary);
  background: linear-gradient(135deg, #1e293b 0%, #475569 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.branch-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
  border: 1.5px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary-dark);
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: var(--shadow-xs);
  animation: pulse-soft 2s ease-in-out infinite;
}

@keyframes pulse-soft {
  0%, 100% { 
    transform: scale(1);
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.1);
  }
  50% { 
    transform: scale(1.02);
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.2);
  }
}

.branch-desc {
  font-size: clamp(0.85rem, 2.5vw, 0.95rem);
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.4;
  font-weight: 500;
}

/* Action Buttons */
.branch-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: clamp(6px, 1.5vh, 8px);
}

.action-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: clamp(10px, 2.5vh, 14px) clamp(16px, 4vw, 24px);
  background: var(--gradient-primary);
  color: white;
  font-size: clamp(0.85rem, 2.5vw, 0.95rem);
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* Shimmer Effect on Hover */
.action-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.action-button:hover::before {
  left: 100%;
}

.action-button:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.action-button:active {
  transform: translateY(0) scale(0.98);
}

/* Secondary Button Style */
.action-button.secondary {
  background: var(--color-bg-card);
  border: 2px solid var(--color-primary);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-sm);
}

.action-button.secondary:hover {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark);
}

/* Menu Button Style */
.action-button.menu {
  background: var(--color-bg-card);
  border: 2px dashed var(--color-border-medium);
  color: var(--color-text-secondary);
  box-shadow: var(--shadow-xs);
}

.action-button.menu:hover {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
  border-color: var(--color-accent);
  border-style: solid;
  color: var(--color-accent);
}

/* -- Responsive Design -- */
@media (min-width: 640px) {
  .branch-actions {
    flex-direction: row;
  }
  
  .action-button {
    flex: 1;
  }
  
  .content {
    padding: var(--space-lg) 0;
  }
  
  .branch-list {
    gap: var(--space-md);
  }
  
  .branch-card {
    padding: var(--space-md);
  }
  
  .branch-card-content {
    margin-bottom: var(--space-md);
  }
}

@media (min-width: 768px) {
  .content {
    padding: var(--space-2xl) 0;
  }
  
  .branch-list {
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-lg);
  }
  
  .branch-card {
    padding: var(--space-lg);
  }
}

@media (min-width: 1024px) {
  .branch-card:hover {
    transform: translateY(-8px);
  }
}

/* -- Accessibility -- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  body::before {
    animation: none;
  }
}

/* Focus Styles */
*:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.action-button:focus-visible {
  outline-offset: 4px;
}

/* -- Print Styles -- */
@media print {
  body::before,
  .grain-overlay {
    display: none;
  }
  
  .branch-card {
    break-inside: avoid;
    box-shadow: none;
    border: 2px solid var(--color-border-medium);
  }
  
  .action-button {
    box-shadow: none;
  }
}

/* Loading State - Optional Enhancement */
@keyframes skeleton-loading {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
}