/**
 * GND Theme - Siyah Beyaz Minimalist E-ticaret Teması
 * Version: 1.0
 * Description: Admin panel gerektirmeden, sade ve modern tasarım
 * CSS Test: Bu dosya yüklenirse tema çalışıyor demektir
 */

/* CSS Yüklenme Testi */
body::before {
    content: "GND Theme CSS Yüklendi ✓";
    position: fixed;
    top: 0;
    right: 0;
    background: #000;
    color: #fff;
    padding: 5px 10px;
    font-size: 12px;
    z-index: 9999;
}

/* CSS Custom Properties - Renk Şeması */
:root {
  /* Ana Renkler */
  --primary-black: #000000;
  --primary-white: #FFFFFF;
  --gray-light: #F5F5F5;
  --gray-medium: #CCCCCC;
  --gray-dark: #333333;
  
  /* Tipografi */
  --font-primary: 'Arial', 'Helvetica', sans-serif;
  --font-size-base: 16px;
  --font-size-small: 14px;
  --font-size-large: 24px;
  --font-size-xlarge: 32px;
  --line-height: 1.6;
  --font-weight-normal: 400;
  --font-weight-bold: 700;
  
  /* Spacing */
  --spacing-xs: 5px;
  --spacing-sm: 10px;
  --spacing-md: 20px;
  --spacing-lg: 40px;
  --spacing-xl: 60px;
  
  /* Layout */
  --container-width: 1200px;
  --grid-gap: 20px;
  --border-radius: 0;
  --border-width: 1px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  font-size: var(--font-size-base);
  line-height: var(--line-height);
}

body {
  font-family: var(--font-primary);
  color: var(--primary-black);
  background-color: var(--primary-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-xlarge); }
h2 { font-size: var(--font-size-large); }
h3 { font-size: 20px; }
h4 { font-size: 18px; }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-small); }

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--primary-black);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

a:hover {
  opacity: 0.7;
}

/* Layout System */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.grid {
  display: grid;
  gap: var(--grid-gap);
}

.grid-products {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.flex-column {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

/* Header */
.header {
  background-color: var(--primary-white);
  border-bottom: var(--border-width) solid var(--gray-light);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 40px;
  width: auto;
  margin-right: var(--spacing-sm);
}

.logo-text {
  font-size: var(--font-size-large);
  font-weight: var(--font-weight-bold);
  color: var(--primary-black);
}

/* Navigation */
.main-nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.main-nav a {
  font-weight: var(--font-weight-normal);
  padding: var(--spacing-sm) 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast);
}

.main-nav a:hover,
.main-nav a.active {
  border-bottom-color: var(--primary-black);
}

/* Cart Info */
.cart-info {
  display: flex;
  align-items: center;
}

.cart-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border: var(--border-width) solid var(--primary-black);
  transition: all var(--transition-fast);
}

.cart-link:hover {
  background-color: var(--primary-black);
  color: var(--primary-white);
}

.cart-icon {
  font-size: 18px;
}

.cart-count {
  background-color: var(--primary-black);
  color: var(--primary-white);
  padding: 2px 6px;
  border-radius: 50%;
  font-size: var(--font-size-small);
  min-width: 20px;
  text-align: center;
}

/* Breadcrumb */
.breadcrumb {
  background-color: var(--gray-light);
  padding: var(--spacing-sm) 0;
}

.breadcrumb-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-sm);
  align-items: center;
}

.breadcrumb-item:not(:last-child)::after {
  content: '/';
  margin-left: var(--spacing-sm);
  color: var(--gray-medium);
}

.breadcrumb-item a {
  color: var(--gray-dark);
  font-size: var(--font-size-small);
}

.breadcrumb-item:last-child {
  color: var(--primary-black);
  font-weight: var(--font-weight-bold);
}

/* Main Content */
.main-content {
  min-height: 60vh;
  padding: var(--spacing-lg) 0;
}

.content-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.content-wrapper.has-sidebar {
  grid-template-columns: 1fr 300px;
}

.page-content {
  min-width: 0;
}

/* Sidebar */
.sidebar {
  background-color: var(--gray-light);
  padding: var(--spacing-md);
}

.sidebar h3 {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: var(--border-width) solid var(--gray-medium);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border: var(--border-width) solid var(--primary-black);
  background-color: var(--primary-white);
  color: var(--primary-black);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
  font-size: var(--font-size-base);
  text-decoration: none;
}

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

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

.btn-primary:hover {
  background-color: var(--gray-dark);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 18px;
}

.btn-small {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-small);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-bold);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: var(--border-width) solid var(--gray-medium);
  background-color: var(--primary-white);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-black);
}

/* Product Cards */
.product-card {
  background-color: var(--primary-white);
  border: var(--border-width) solid var(--gray-light);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.product-card:hover {
  border-color: var(--primary-black);
  transform: translateY(-2px);
}

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.product-info {
  padding: var(--spacing-md);
}

.product-title {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
}

.product-price {
  font-size: var(--font-size-large);
  font-weight: var(--font-weight-bold);
  color: var(--primary-black);
  margin-bottom: var(--spacing-sm);
}

.product-price-old {
  text-decoration: line-through;
  color: var(--gray-medium);
  font-size: var(--font-size-base);
  margin-right: var(--spacing-sm);
}

.product-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

/* Sections */
.section {
  padding: var(--spacing-xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-title {
  font-size: var(--font-size-xlarge);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  color: var(--gray-dark);
  font-size: 18px;
}

/* Hero Section */
.hero-section {
  background-color: var(--gray-light);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.hero-title {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 20px;
  color: var(--gray-dark);
  margin-bottom: var(--spacing-lg);
}

.hero-cta {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  background-color: var(--primary-black);
  color: var(--primary-white);
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  transition: all var(--transition-fast);
}

.hero-cta:hover {
  background-color: var(--gray-dark);
  transform: translateY(-2px);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.feature-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.feature-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
}

.feature-title {
  margin-bottom: var(--spacing-sm);
}

/* Newsletter */
.newsletter-section {
  background-color: var(--primary-black);
  color: var(--primary-white);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.newsletter-title {
  color: var(--primary-white);
}

.newsletter-form {
  max-width: 400px;
  margin: 0 auto;
}

.newsletter-form .form-group {
  display: flex;
  gap: var(--spacing-sm);
}

.newsletter-input {
  flex: 1;
  border-color: var(--primary-white);
}

.newsletter-btn {
  background-color: var(--primary-white);
  color: var(--primary-black);
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.newsletter-btn:hover {
  background-color: var(--gray-light);
}

/* Footer */
.footer {
  background-color: var(--primary-black);
  color: var(--primary-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  color: var(--primary-white);
  margin-bottom: var(--spacing-md);
}

.footer-section a {
  color: var(--gray-light);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.footer-section a:hover {
  color: var(--primary-white);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: var(--border-width) solid var(--gray-dark);
  color: var(--gray-light);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.p-0 { padding: 0; }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }

.hidden { display: none; }
.visible { display: block; }

/* Mobile Menu Styles */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: var(--border-width) solid var(--primary-black);
  padding: var(--spacing-sm);
  cursor: pointer;
  font-size: 18px;
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }
  
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--primary-white);
    border: var(--border-width) solid var(--gray-light);
    z-index: 1000;
  }
  
  .main-nav.mobile-menu-open {
    display: block;
  }
  
  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }
  
  .main-nav li {
    border-bottom: var(--border-width) solid var(--gray-light);
  }
  
  .main-nav a {
    display: block;
    padding: var(--spacing-md);
    border-bottom: none;
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .content-wrapper {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    order: -1;
  }
  
  .grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --container-width: 100%;
    --spacing-lg: 30px;
    --spacing-xl: 40px;
  }
  
  .header-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .main-nav ul {
    gap: var(--spacing-md);
  }
  
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .newsletter-form .form-group {
    flex-direction: column;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .grid-2,
  .grid-3,
  .grid-4,
  .grid-products {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 28px;
  }
  
  .product-actions {
    flex-direction: column;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .sidebar,
  .newsletter-section {
    display: none;
  }
  
  body {
    color: var(--primary-black);
    background: var(--primary-white);
  }
  
  a {
    text-decoration: underline;
  }
}