/* Bra Size Calculator - Main Styles */

/* CSS Variables */
:root {
  --primary: #e91e63;
  --primary-dark: #c2185b;
  --secondary: #2196f3;
  --dark: #212529;
  --light: #f8f9fa;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --info: #17a2b8;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background-color: #fff;
}

/* Utility Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.text-shadow {
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.gradient-overlay {
  background: linear-gradient(135deg, rgba(233, 30, 99, 0.8) 0%, rgba(33, 150, 243, 0.6) 100%);
}

.transition-custom {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Color Classes */
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-dark { color: var(--dark); }
.text-white { color: white; }
.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }

.bg-primary { background-color: var(--primary); }
.bg-secondary { background-color: var(--secondary); }
.bg-dark { background-color: var(--dark); }
.bg-white { background-color: white; }
.bg-gray-50 { background-color: var(--gray-100); }
.bg-gray-100 { background-color: var(--gray-100); }
.bg-gray-200 { background-color: var(--gray-200); }

/* Background Opacity */
.bg-dark\/40 { background-color: rgba(33, 37, 41, 0.4); }
.bg-white\/10 { background-color: rgba(255, 255, 255, 0.1); }
.bg-white\/20 { background-color: rgba(255, 255, 255, 0.2); }
.text-white\/80 { color: rgba(255, 255, 255, 0.8); }
.text-white\/90 { color: rgba(255, 255, 255, 0.9); }

/* Layout */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* Flexbox */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

/* Grid */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-12 { gap: 3rem; }

/* Spacing */
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }

.m-0 { margin: 0; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mr-2 { margin-right: 0.5rem; }
.ml-2 { margin-left: 0.5rem; }

/* Sizing */
.w-full { width: 100%; }
.h-full { height: 100%; }
.h-auto { height: auto; }
.h-screen { height: 100vh; }
.h-48 { height: 12rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-4xl { max-width: 56rem; }

/* Typography */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.leading-tight { line-height: 1.25; }

/* Borders */
.border { border-width: 1px; }
.border-b { border-bottom-width: 1px; }
.border-b-2 { border-bottom-width: 2px; }
.border-gray-200 { border-color: var(--gray-200); }
.border-gray-300 { border-color: var(--gray-300); }
.border-primary { border-color: var(--primary); }

.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }

/* Shadows */
.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); }

/* Hover Effects */
.hover\:bg-primary\/90:hover { background-color: rgba(233, 30, 99, 0.9); }
.hover\:bg-gray-300:hover { background-color: var(--gray-300); }
.hover\:bg-white\/20:hover { background-color: rgba(255, 255, 255, 0.2); }
.hover\:text-gray-700:hover { color: var(--gray-700); }
.hover\:text-primary:hover { color: var(--primary); }
.hover\:text-white:hover { color: white; }
.hover\:shadow-md:hover { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); }
.hover\:shadow-xl:hover { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); }
.hover\:-translate-y-1:hover { transform: translateY(-0.25rem); }
.hover\:-translate-y-0\.5:hover { transform: translateY(-0.125rem); }
.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:underline:hover { text-decoration: underline; }

/* Focus States */
.focus\:ring-2:focus { box-shadow: 0 0 0 2px rgba(233, 30, 99, 0.5); }
.focus\:ring-primary:focus { box-shadow: 0 0 0 2px rgba(233, 30, 99, 0.5); }
.focus\:border-primary:focus { border-color: var(--primary); }

/* Transform */
.transform { transform: translateZ(0); }
.-translate-y-1\/2 { transform: translateY(-50%); }

/* Overflow */
.overflow-hidden { overflow: hidden; }

/* Object Fit */
.object-cover { object-fit: cover; }

/* Display */
.hidden { display: none; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.block { display: block; }

/* Cursor */
.cursor-pointer { cursor: pointer; }

/* Backdrop */
.backdrop-blur-sm { backdrop-filter: blur(4px); }

/* Animations */
.animate-bounce {
  animation: bounce 1s infinite;
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    transform: translate3d(0, 0, 0);
  }
  40%, 43% {
    animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);
    transform: translate3d(0, -30px, 0);
  }
  70% {
    animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);
    transform: translate3d(0, -15px, 0);
  }
  90% {
    transform: translate3d(0, -4px, 0);
  }
}

/* Responsive Design */
@media (min-width: 640px) {
  .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
  .sm\:flex-row { flex-direction: row; }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Custom Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: 0.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(233, 30, 99, 0.3);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--gray-300);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1);
}

.card {
  background: white;
  border-radius: 0.75rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

/* Header Styles */
.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: all 0.3s ease;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

/* Navigation */
.nav-link {
  color: var(--gray-700);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  transition: all 0.3s ease;
}

.nav-link:hover {
  color: var(--primary);
  background-color: rgba(233, 30, 99, 0.1);
}

.nav-link.active {
  color: var(--primary);
  background-color: rgba(233, 30, 99, 0.1);
}

/* Footer */
.footer {
  background-color: var(--gray-900);
  color: white;
  padding: 3rem 0 1rem;
}

.footer-link {
  color: var(--gray-400);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: white;
}

/* Responsive Typography */
@media (max-width: 768px) {
  .text-\[clamp\(2\.5rem\,5vw\,4rem\)\] {
    font-size: clamp(2rem, 8vw, 3rem);
  }
  
  .text-\[clamp\(1rem\,2vw\,1\.25rem\)\] {
    font-size: clamp(0.9rem, 4vw, 1.1rem);
  }
  
  .text-\[clamp\(1\.75rem\,3vw\,2\.5rem\)\] {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }
}

@media (min-width: 769px) {
  .text-\[clamp\(2\.5rem\,5vw\,4rem\)\] {
    font-size: clamp(2.5rem, 5vw, 4rem);
  }
  
  .text-\[clamp\(1rem\,2vw\,1\.25rem\)\] {
    font-size: clamp(1rem, 2vw, 1.25rem);
  }
  
  .text-\[clamp\(1\.75rem\,3vw\,2\.5rem\)\] {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
  }
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Error States */
.error {
  color: var(--danger);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.success {
  color: var(--success);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 60;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu-content {
  position: absolute;
  top: 0;
  right: 0;
  width: 280px;
  height: 100%;
  background: white;
  padding: 2rem;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.mobile-menu.active .mobile-menu-content {
  transform: translateX(0);
}

/* Print Styles */
@media print {
  .no-print {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
  }
  
  .container {
    max-width: none;
    padding: 0;
  }
}