/* ============================================
   ELITE PHARMACY DESIGN SYSTEM
   Inspired by turkiyenobetcieczane.com
   ============================================ */

:root {
  /* Primary Colors - Red (Pharmacy Brand) */
  --color-primary-50: #FEF2F2;
  --color-primary-100: #FEE2E2;
  --color-primary-200: #FECACA;
  --color-primary-300: #FCA5A5;
  --color-primary-400: #F87171;
  --color-primary-500: #E53E3E;
  --color-primary-600: #DC2626;
  --color-primary-700: #B91C1C;
  --color-primary-800: #991B1B;
  --color-primary-900: #7F1D1D;

  /* Accent Colors - Green (CTA Buttons) */
  --color-accent-50: #F0FDF4;
  --color-accent-100: #DCFCE7;
  --color-accent-200: #BBF7D0;
  --color-accent-300: #86EFAC;
  --color-accent-400: #4ADE80;
  --color-accent-500: #22C55E;
  --color-accent-600: #16A34A;
  --color-accent-700: #15803D;
  --color-accent-800: #166534;
  --color-accent-900: #14532D;

  /* Secondary Colors - Cyan (Info/Links) */
  --color-secondary-50: #ECFEFF;
  --color-secondary-100: #CFFAFE;
  --color-secondary-200: #A5F3FC;
  --color-secondary-300: #67E8F9;
  --color-secondary-400: #22D3EE;
  --color-secondary-500: #06B6D4;
  --color-secondary-600: #0891B2;
  --color-secondary-700: #0E7490;
  --color-secondary-800: #155E75;
  --color-secondary-900: #164E63;

  /* Neutral Colors */
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;

  /* Semantic Colors */
  --color-success: var(--color-accent-500);
  --color-warning: #F59E0B;
  --color-error: var(--color-primary-600);
  --color-info: var(--color-secondary-500);

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  --font-display: 'Inter', var(--font-sans);
  
  /* Font Sizes - Fluid Typography */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.375vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
  --text-3xl: clamp(1.875rem, 1.65rem + 1.125vw, 2.25rem);
  --text-4xl: clamp(2.25rem, 1.95rem + 1.5vw, 3rem);
  --text-5xl: clamp(3rem, 2.55rem + 2.25vw, 3.75rem);

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows - Elite & Subtle */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 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);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-primary: 0 10px 30px -5px rgba(229, 62, 62, 0.3);
  --shadow-accent: 0 10px 30px -5px rgba(34, 197, 94, 0.3);

  /* 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: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Dark Mode Variables */
.dark {
  --color-bg-primary: var(--color-gray-900);
  --color-bg-secondary: var(--color-gray-800);
  --color-bg-tertiary: var(--color-gray-700);
  --color-text-primary: var(--color-gray-50);
  --color-text-secondary: var(--color-gray-300);
  --color-text-tertiary: var(--color-gray-400);
  --color-border: var(--color-gray-700);
}

/* Light Mode Variables */
:root:not(.dark) {
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: var(--color-gray-50);
  --color-bg-tertiary: var(--color-gray-100);
  --color-text-primary: var(--color-gray-900);
  --color-text-secondary: var(--color-gray-600);
  --color-text-tertiary: var(--color-gray-500);
  --color-border: var(--color-gray-200);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

/* Container */
.container-custom {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 640px) {
  .container-custom {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container-custom {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary-500);
  color: white;
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  background: var(--color-primary-600);
  transform: translateY(-2px);
  box-shadow: 0 15px 35px -5px rgba(229, 62, 62, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-accent {
  background: var(--color-accent-500);
  color: white;
  box-shadow: var(--shadow-accent);
}

.btn-accent:hover {
  background: var(--color-accent-600);
  transform: translateY(-2px);
  box-shadow: 0 15px 35px -5px rgba(34, 197, 94, 0.4);
}

.btn-accent:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--color-secondary-500);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background: var(--color-secondary-600);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary-500);
  border: 2px solid var(--color-primary-500);
  box-shadow: none;
}

.btn-outline:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-600);
  color: var(--color-primary-600);
}

.dark .btn-outline:hover {
  background: rgba(229, 62, 62, 0.1);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

/* Cards */
.card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-200);
}

.dark .card:hover {
  border-color: var(--color-primary-800);
}

.card-avant {
  position: relative;
  overflow: hidden;
}

.card-avant::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--color-primary-50) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.dark .card-avant::before {
  background: linear-gradient(135deg, rgba(229, 62, 62, 0.1) 0%, transparent 100%);
}

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

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background: var(--color-primary-100);
  color: var(--color-primary-700);
}

.dark .badge-primary {
  background: rgba(229, 62, 62, 0.2);
  color: var(--color-primary-300);
}

.badge-accent {
  background: var(--color-accent-100);
  color: var(--color-accent-700);
}

.dark .badge-accent {
  background: rgba(34, 197, 94, 0.2);
  color: var(--color-accent-300);
}

.badge-secondary {
  background: var(--color-secondary-100);
  color: var(--color-secondary-700);
}

.dark .badge-secondary {
  background: rgba(6, 182, 212, 0.2);
  color: var(--color-secondary-300);
}

/* Animations */
@keyframes pulse-subtle {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

.pulse-subtle {
  animation: pulse-subtle 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

.float-animation {
  animation: float 3s ease-in-out infinite;
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.shimmer {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}

/* Glass Morphism */
.glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.dark .glass {
  background: rgba(17, 24, 39, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Text Gradients */
.text-gradient-primary {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-accent {
  background: linear-gradient(135deg, var(--color-accent-500), var(--color-accent-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Focus States */
.focus-ring:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.3);
}

.dark .focus-ring:focus {
  box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.5);
}