/* ====================================
   CSS VARIABLES - THEME SYSTEM
   ==================================== */

:root {
  /* Light Mode (Default) */
  --primary-color: #dc2626;
  --primary-hover: #b91c1c;
  --background-color: #ffffff;
  --background-secondary: #f9fafb;
  --text-color: #1f2937;
  --text-secondary: #6b7280;
  --border-color: #e5e7eb;
  --card-background: #ffffff;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --success-color: #059669;
  --error-color: #dc2626;
  --warning-color: #d97706;
}

:root.dark {
  /* Dark Mode */
  --primary-color: #ef4444;
  --primary-hover: #dc2626;
  --background-color: #111827;
  --background-secondary: #1f2937;
  --text-color: #f3f4f6;
  --text-secondary: #9ca3af;
  --border-color: #374151;
  --card-background: #1f2937;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
  --success-color: #10b981;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
}

/* ====================================
   RESET & BASE
   ==================================== */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-hover);
}

img {
  max-width: 100%;
  height: auto;
}

/* ====================================
   LAYOUT
   ==================================== */

.container {
  max-width: 1400px; /* 1200px'ten 1400px'e çıkardık */
  margin: 0 auto;
  padding: 0 20px;
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ====================================
   HEADER
   ==================================== */

.header {
  background-color: var(--card-background);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

/* Top Bar */
.header-top {
  background-color: var(--background-secondary);
  padding: 8px 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

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

/* Main Header */
.header-main {
  padding: 12px 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Logo */
.logo img {
  height: 55px;
  width: auto;
  object-fit: contain;
}

/* Desktop Menü */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-menu a {
  color: var(--text-color);
  font-weight: 500;
  padding: 8px 0;
  position: relative;
  text-decoration: none;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

/* Header Icons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle,
.cart-icon,
.mobile-menu-toggle {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-color);
  transition: all 0.2s ease;
}

.theme-toggle:hover,
.cart-icon:hover,
.mobile-menu-toggle:hover {
  background-color: var(--background-secondary);
  border-color: var(--primary-color);
}

.cart-icon {
  position: relative;
}

.cart-count {
  position: absolute;
  top: -5px;
  right: -5px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ====================================
   MOBIL FULL SCREEN MENU
   ==================================== */

@media (max-width: 768px) {
  .header-top {
    display: none;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: white;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    transform: translateY(-100%);
    transition: transform 0.45s ease;
    z-index: 9999;
    padding: 0;
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-menu a {
    font-size: 1.7rem;
    font-weight: 600;
    color: var(--text-color);
  }

  nav {
    position: unset;
  }

  .mobile-menu-toggle {
    display: flex !important;
  }

  .logo img {
    height: 45px !important;
  }

  /* Menü açılınca scroll kilitle */
  body.menu-open {
    overflow: hidden;
  }
}

/* Mobil menü kapatma tuşu */
.close-menu-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 32px;
  color: var(--text-color);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: 0.25s ease;
}

/* Buton Hover efekti */
.close-menu-btn:hover {
  transform: scale(1.15);
  color: var(--primary-color);
}

/* Masaüstünde mobil menü ve kapat butonunu gizle */
.mobile-menu-toggle,
.close-menu-btn {
  display: none !important;
}

/* Mobilde görünür yap */
@media (max-width: 768px) {
  .mobile-menu-toggle,
  .close-menu-btn {
    display: flex !important;
  }
}

/* ====================================
   FOOTER
   ==================================== */

.footer {
  background-color: var(--background-secondary);
  border-top: 1px solid var(--border-color);
  margin-top: 60px;
  padding: 40px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}

.footer-section h3 {
  margin-bottom: 15px;
  color: var(--primary-color);
}

.footer-section p,
.footer-section ul {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 8px;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ====================================
   COMPONENTS
   ==================================== */

.btn {
  display: inline-block;
  padding: 12px 24px;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--background-secondary);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

.card {
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

/* Ürün grid'ini optimize et */
.product-grid {
  display: grid;
  grid-template-columns: repeat(
    auto-fill,
    minmax(280px, 1fr)
  ); /* 240px'ten 280px'e çıkardık */
  gap: 24px; /* 20px'ten 24px'e çıkardık */
  margin-bottom: 40px;
}

@media (min-width: 1600px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .container {
    max-width: 1600px;
  }
} /* Büyük ekranlarda 4 sütun */
@media (min-width: 1200px) and (max-width: 1599px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Orta-büyük ekranlarda 3 sütun */
@media (min-width: 900px) and (max-width: 1199px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Tablet'te 2 sütun */
@media (min-width: 640px) and (max-width: 899px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobilde 1 sütun */
@media (max-width: 639px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}

.product-card {
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

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

.product-image {
  width: 100%;
  height: 300px; /* 280px'ten 300px'e çıkardık */
  object-fit: cover;
  background-color: var(--background-secondary);
}

.product-info {
  padding: 18px; /* 15px'ten 18px'e çıkardık */
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-title {
  font-size: 1.05rem; /* 1rem'den 1.05rem'e çıkardık */
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
  min-height: 2.8em;
}

.product-price {
  font-size: 1.35rem; /* 1.25rem'den 1.35rem'e çıkardık */
  font-weight: bold;
  color: var(--primary-color);
  margin: 12px 0; /* 10px'ten 12px'e çıkardık */
}
/* Products layout için özel genişlik */
.products-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 30px;
  margin-bottom: 40px;
}

/* Sol sidebar sabit kalır, ama biraz daha geniş */
.filter-sidebar {
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  height: fit-content;
  position: sticky;
  top: 100px;
  width: 280px;
}

/* Responsive - mobilde sidebar üste geçer */
@media (max-width: 1024px) {
  .products-layout {
    grid-template-columns: 1fr;
  }

  .filter-sidebar {
    position: static;
    width: 100%;
  }
}

.alert {
  padding: 15px 20px;
  border-radius: 6px;
  margin-bottom: 20px;
}

.alert-success {
  background-color: rgba(5, 150, 105, 0.1);
  border: 1px solid var(--success-color);
  color: var(--success-color);
}

.alert-error {
  background-color: rgba(220, 38, 38, 0.1);
  border: 1px solid var(--error-color);
  color: var(--error-color);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--text-color);
}

.form-control {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  background-color: var(--background-color);
  color: var(--text-color);
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
}