/* ============================================
   KIYASLASANA - DESIGN SYSTEM
   ============================================ */

/* CSS Variables */
:root {
  /* Primary Colors */
  --color-primary: #5B4DFF;
  --color-primary-dark: #4A3FD8;
  --color-primary-light: #7B68EE;

  /* Accent Colors */
  --color-accent: #FF4081;
  --color-accent-pink: #E91E63;
  --color-accent-cyan: #00BCD4;
  --color-accent-orange: #FF9800;

  /* Success/Score */
  --color-success: #00C853;
  --color-success-light: #69F0AE;
  --color-warning: #FFC107;
  --color-danger: #FF5722;

  /* Backgrounds */
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F5F7FA;
  --color-bg-tertiary: #F0F2F5;
  --color-bg-dark: #1E1E2E;
  --color-bg-dark-card: #2D2D3A;

  /* Text */
  --color-text-primary: #1A1A2E;
  --color-text-secondary: #6B7280;
  --color-text-tertiary: #9CA3AF;
  --color-text-white: #FFFFFF;

  /* Borders */
  --color-border: #E5E7EB;
  --color-border-light: #F3F4F6;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-card: 0 2px 8px rgba(91, 77, 255, 0.08);
  --shadow-hover: 0 8px 24px rgba(91, 77, 255, 0.15);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --text-h1: 2.5rem;
  --text-h2: 2rem;
  --text-h3: 1.5rem;
  --text-h4: 1.25rem;
  --text-h5: 1.125rem;
  --text-body: 1rem;
  --text-small: 0.875rem;
  --text-xs: 0.75rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--text-body);
  line-height: 1.5;
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

ul,
ol {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-8);
  }
}

/* ============================================
   HEADER
   ============================================ */
.header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-text-white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-lg);
}

.header-top {
  padding: var(--space-3) 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-h4);
  font-weight: 700;
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.logo-img {
  height: 48px;
  width: auto;
}

.admin-logo-img {
  height: 40px;
  width: auto;
}

.main-nav {
  display: none;
}

.main-nav.mobile-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-text-white);
  z-index: 100;
  padding: var(--space-4);
  gap: var(--space-2);
  box-shadow: var(--shadow-lg);
}

.main-nav.mobile-open .nav-item {
  color: var(--color-text-white);
}

.main-nav.mobile-open .nav-item svg {
  color: var(--color-text-white);
}

@media (min-width: 768px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
  }
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  font-size: var(--text-small);
  font-weight: 500;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.nav-item.active {
  background: rgba(255, 255, 255, 0.15);
}

.nav-item svg {
  width: 24px;
  height: 24px;
}

/* Navbar Auth Section */
.nav-auth {
  margin-left: auto;
}

.nav-login-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
}

.nav-login-btn svg {
  width: 18px;
  height: 18px;
}

.nav-user-menu {
  position: relative;
}

.nav-user-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-text-white);
  cursor: pointer;
  font-size: var(--text-small);
  font-weight: 500;
  transition: background var(--transition-fast);
}

.nav-user-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.nav-user-icon {
  width: 20px;
  height: 20px;
}

.nav-user-name {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-chevron {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.nav-user-dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  min-width: 160px;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: 100;
}

.nav-user-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: var(--text-small);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.nav-dropdown-item:hover {
  background: var(--color-bg-secondary);
}

.nav-dropdown-item svg {
  width: 16px;
  height: 16px;
}

.nav-logout-btn {
  color: var(--color-danger, #ef4444);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.search-box {
  position: relative;
  display: none;
}

@media (min-width: 640px) {
  .search-box {
    display: block;
  }
}

.search-input {
  width: 320px;
  padding: var(--space-3) var(--space-4);
  padding-left: var(--space-10);
  border-radius: var(--radius-full);
  border: none;
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-text-white);
  font-size: var(--text-small);
  backdrop-filter: blur(8px);
  transition: all var(--transition-fast);
}

.search-input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.search-input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.25);
  width: 380px;
}

.search-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: rgba(255, 255, 255, 0.7);
}

.header-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  transition: background var(--transition-fast);
  position: relative;
}

.header-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.header-btn svg {
  width: 20px;
  height: 20px;
}

.badge-count {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-btn {
  display: flex;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 60%, var(--color-primary-light) 100%);
  color: var(--color-text-white);
  padding: var(--space-12) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 64, 129, 0.3) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: min(600px, 100%);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

.hero-title span {
  color: var(--color-accent);
  font-style: italic;
}

.hero-subtitle {
  font-size: var(--text-body);
  opacity: 0.9;
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.hero-search {
  position: relative;
  max-width: min(500px, 100%);
}

.hero-search-input {
  width: 100%;
  padding: var(--space-5) var(--space-6);
  padding-left: var(--space-12);
  border-radius: var(--radius-xl);
  border: none;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-size: var(--text-body);
  box-shadow: var(--shadow-xl);
}

.hero-search-input::placeholder {
  color: var(--color-text-tertiary);
}

.hero-search-input:focus {
  outline: 3px solid rgba(255, 64, 129, 0.3);
}

.hero-search-icon {
  position: absolute;
  left: var(--space-5);
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

/* ============================================
   SEARCH AUTOCOMPLETE
   ============================================ */
.hero-search {
  position: relative;
  max-width: min(500px, 100%);
}

.search-autocomplete {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: var(--space-1);
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-height: 320px;
  overflow-y: auto;
  z-index: 200;
}

.search-autocomplete.active {
  display: block;
}

.search-autocomplete__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  text-decoration: none;
  color: var(--color-text-primary);
  font-size: var(--text-small);
  transition: background var(--transition-fast);
  cursor: pointer;
}

.search-autocomplete__item:hover,
.search-autocomplete__item.active {
  background: var(--color-bg-secondary);
}

.search-autocomplete__item:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.search-autocomplete__img {
  width: 36px;
  height: 44px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.search-autocomplete__img-placeholder {
  width: 36px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-text-tertiary);
}

.search-autocomplete__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.search-autocomplete__brand {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.search-autocomplete__model {
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search-autocomplete__empty {
  padding: var(--space-4) var(--space-5);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--text-small);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-small);
  font-weight: 600;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-pink) 100%);
  color: var(--color-text-white);
  box-shadow: 0 4px 14px rgba(255, 64, 129, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 64, 129, 0.5);
}

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

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

.btn-ghost {
  background: transparent;
  color: var(--color-text-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

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

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

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

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: var(--space-12) 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.section-title {
  font-size: var(--text-h3);
  font-weight: 700;
  color: var(--color-text-primary);
}

.section-title span {
  color: var(--color-primary);
}

.section-subtitle {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

.section-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  font-size: var(--text-small);
  font-weight: 500;
  transition: gap var(--transition-fast);
}

.section-link:hover {
  gap: var(--space-3);
}

/* ============================================
   BRAND GRID
   ============================================ */
.brands-section {
  background: var(--color-bg-primary);
  padding: var(--space-8) 0;
}

.brands-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .brands-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 768px) {
  .brands-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (min-width: 1024px) {
  .brands-grid {
    grid-template-columns: repeat(8, 1fr);
  }
}

.brand-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-bg-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
  max-width: 100%;
  overflow: hidden;
}

.brand-item:hover {
  background: var(--color-bg-tertiary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.brand-logo {
  width: 48px;
  height: 48px;
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-name {
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

/* Brand card — /markalar page */
.brand-card {
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
  min-width: 0;
}

/* ============================================
   PRODUCT CARDS
   ============================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1280px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.product-card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 1px solid var(--color-border-light);
  position: relative;
  max-width: 100%;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(91, 77, 255, 0.2);
}

.product-image {
  position: relative;
  padding: var(--space-6);
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
}

.product-image img {
  max-height: 180px;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-score {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  width: 44px;
  height: 44px;
  background: var(--color-success);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text-white);
  box-shadow: var(--shadow-md);
}

.product-score-value {
  font-size: var(--text-h5);
  font-weight: 700;
  line-height: 1;
}

.product-score-label {
  font-size: 9px;
  font-weight: 500;
  text-transform: uppercase;
  opacity: 0.9;
}

.product-badges {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-5g {
  background: var(--color-success);
  color: var(--color-text-white);
}

.badge-nfc {
  background: var(--color-accent-cyan);
  color: var(--color-text-white);
}

.badge-feature {
  background: var(--color-primary);
  color: var(--color-text-white);
}

.product-info {
  padding: var(--space-5);
}

.product-brand {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  font-weight: 500;
  margin-bottom: var(--space-1);
}

.product-name {
  font-size: var(--text-body);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  line-height: 1.4;
}

.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.product-spec {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.product-spec svg {
  width: 12px;
  height: 12px;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

.product-price {
  font-size: var(--text-h4);
  font-weight: 700;
  color: var(--color-primary);
}

.product-price-prefix {
  font-size: var(--text-small);
  color: var(--color-text-tertiary);
  font-weight: 400;
}

.product-actions {
  display: flex;
  gap: var(--space-2);
}

.product-action-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
  transition: all var(--transition-fast);
}

.product-action-btn:hover {
  background: var(--color-primary);
  color: var(--color-text-white);
}

.product-action-btn svg {
  width: 18px;
  height: 18px;
}

.favorite-btn {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  z-index: 2;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  border: none;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.favorite-btn:hover {
  background: rgba(255, 255, 255, 1);
  color: #e74c3c;
  transform: scale(1.1);
}

.favorite-btn.favorited {
  color: #e74c3c;
}

.favorite-btn svg {
  width: 20px;
  height: 20px;
  pointer-events: none;
}

/* ============================================
   FILTER PANEL
   ============================================ */
.filter-panel {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-light);
  box-sizing: border-box;
  max-width: 100%;
  overflow-x: hidden;
}

.filter-section {
  margin-bottom: var(--space-6);
}

.filter-section:last-child {
  margin-bottom: 0;
}

.filter-title {
  font-size: var(--text-body);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.filter-title svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
}

.filter-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.filter-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.filter-option:hover {
  color: var(--color-text-primary);
}

.filter-option input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.filter-chip {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-bg-secondary);
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.filter-chip:hover,
.filter-chip.active {
  background: var(--color-primary);
  color: var(--color-text-white);
}

.filter-chip.active {
  box-shadow: 0 2px 8px rgba(91, 77, 255, 0.3);
}

/* Filter Panel - Scrollable Layout */
.filter-panel--scrollable {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 120px);
  overflow: hidden;
  align-self: start;
}

.filter-panel--scrollable #filterForm {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  max-width: 100%;
}

.filter-panel-wrapper {
  overflow: hidden;
}

.filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}

.filter-header__title {
  font-size: var(--text-h5);
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
}

.filter-header__title svg {
  color: var(--color-primary);
}

.filter-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-white);
  font-size: var(--text-xs);
  font-weight: 600;
}

.filter-reset-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  border: 1px solid var(--color-accent);
}

.filter-reset-btn:hover {
  background: var(--color-accent);
  color: var(--color-text-white);
}

.filter-scroll-area {
  overflow-y: auto;
  overflow-x: hidden;
  flex: 1;
  padding-right: var(--space-2);
  min-height: 0;
  max-width: 100%;
}

.filter-scroll-area::-webkit-scrollbar {
  width: 4px;
}

.filter-scroll-area::-webkit-scrollbar-track {
  background: transparent;
}

.filter-scroll-area::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

.filter-scroll-area::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-tertiary);
}

/* Filter Count Badge */
.filter-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-text-white);
  font-size: var(--text-xs);
  font-weight: 600;
  margin-left: auto;
}

/* Searchable Filter List */
.filter-searchable-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.filter-search-input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-small);
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
  transition: border-color var(--transition-fast);
  box-sizing: border-box;
}

.filter-search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(91, 77, 255, 0.1);
}

.filter-search-input::placeholder {
  color: var(--color-text-tertiary);
}

.filter-options-scrollable {
  max-height: 200px;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.filter-options-scrollable::-webkit-scrollbar {
  width: 4px;
}

.filter-options-scrollable::-webkit-scrollbar-track {
  background: transparent;
}

.filter-options-scrollable::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

.filter-options-scrollable::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-tertiary);
}

/* Min-Max Range Inputs */
.filter-range-inputs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.filter-range-input {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-small);
  text-align: center;
  transition: border-color var(--transition-fast);
  min-width: 0;
  box-sizing: border-box;
}

.filter-range-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(91, 77, 255, 0.1);
}

.filter-range-separator {
  color: var(--color-text-tertiary);
  font-size: var(--text-small);
  flex-shrink: 0;
}

.filter-range-unit {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-align: center;
  margin-top: var(--space-1);
}

/* Collapsible filter section */
.filter-title--collapsible {
  cursor: pointer;
  user-select: none;
}

.filter-title--collapsible::after {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--color-text-tertiary);
  border-bottom: 2px solid var(--color-text-tertiary);
  transform: rotate(45deg);
  transition: transform var(--transition-fast);
  margin-left: var(--space-2);
  flex-shrink: 0;
}

.filter-title--collapsible.collapsed::after {
  transform: rotate(-45deg);
}

.filter-section__body {
  transition: max-height 0.2s ease;
  overflow: hidden;
}

.filter-section__body.collapsed {
  max-height: 0 !important;
  overflow: hidden;
}

/* Active filter option visual feedback */
.filter-option--active {
  color: var(--color-primary) !important;
  font-weight: 500;
}

.filter-option--active input[type="checkbox"] {
  accent-color: var(--color-primary);
}

/* Boolean Toggle Filters */
.filter-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.filter-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-bg-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  border: 1px solid transparent;
}

.filter-toggle:hover {
  border-color: var(--color-primary-light);
  color: var(--color-text-primary);
}

.filter-toggle--active {
  background: rgba(91, 77, 255, 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-toggle input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.filter-toggle__label {
  white-space: nowrap;
}

/* Filter Apply Button */
.filter-apply-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  margin-top: var(--space-4);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-text-white);
  font-size: var(--text-body);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  box-shadow: 0 2px 8px rgba(91, 77, 255, 0.3);
  flex-shrink: 0;
}

.filter-apply-btn:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 4px 12px rgba(91, 77, 255, 0.4);
  transform: translateY(-1px);
}

/* Price Range — now uses shared .filter-range-inputs layout */
.price-range {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.price-separator {
  color: var(--color-text-tertiary);
  font-size: var(--text-small);
  flex-shrink: 0;
}

.price-input {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-small);
  text-align: center;
  transition: border-color var(--transition-fast);
  min-width: 0;
  box-sizing: border-box;
}

.price-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(91, 77, 255, 0.1);
}

/* ============================================
   SORT BAR
   ============================================ */
.sort-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding: var(--space-4) var(--space-6);
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.sort-results {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
}

.sort-results strong {
  color: var(--color-text-primary);
}

.sort-controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.sort-label {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
}

.sort-select {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-small);
  background: var(--color-bg-primary);
  cursor: pointer;
  min-width: 160px;
}

.sort-select:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* ============================================
   PHONE DETAIL PAGE
   ============================================ */
.phone-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-text-white);
  padding: var(--space-8) 0 var(--space-12);
}

.phone-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 768px) {
  .phone-hero-inner {
    grid-template-columns: 300px 1fr;
  }
}

@media (min-width: 1024px) {
  .phone-hero-inner {
    grid-template-columns: 350px 1fr;
  }
}

.phone-hero-image {
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  box-shadow: var(--shadow-xl);
}

.phone-hero-image img {
  max-height: 280px;
  object-fit: contain;
}

.phone-hero-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.phone-hero-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-body);
  font-weight: 500;
  opacity: 0.9;
}

.phone-hero-brand img {
  width: 32px;
  height: 32px;
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
  padding: var(--space-1);
}

.phone-hero-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
}

.phone-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.phone-hero-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  font-size: var(--text-small);
  backdrop-filter: blur(8px);
}

.phone-hero-score {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.score-box {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: var(--color-success);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.score-box-value {
  font-size: var(--text-h2);
  font-weight: 700;
  line-height: 1;
}

.score-box-label {
  font-size: var(--text-xs);
  font-weight: 500;
  opacity: 0.9;
  max-width: 80px;
  line-height: 1.3;
}

/* Tabs */
.tabs-container {
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 64px;
  z-index: 50;
}

.tabs {
  display: flex;
  gap: var(--space-1);
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: all var(--transition-fast);
  cursor: pointer;
  background: none;
}

.tab:hover {
  color: var(--color-text-primary);
}

.tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Spec Sections */
.spec-section {
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.spec-section:last-child {
  border-bottom: none;
}

.spec-section-title {
  font-size: var(--text-h4);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.spec-section-title svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .spec-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .spec-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.spec-card {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all var(--transition-fast);
}

.spec-card:hover {
  background: var(--color-bg-tertiary);
}

.spec-label {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.spec-value {
  font-size: var(--text-body);
  font-weight: 600;
  color: var(--color-text-primary);
}

.spec-value-highlight {
  color: var(--color-primary);
}

.spec-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-row-label {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
}

.spec-row-value {
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-text-primary);
}

/* ============================================
   COMPARE PAGE
   ============================================ */
.compare-bar {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  margin-bottom: var(--space-8);
}

.compare-slots {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .compare-slots {
    grid-template-columns: repeat(4, 1fr);
  }
}

.compare-slot {
  position: relative;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  min-height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  border: 2px dashed var(--color-border);
  transition: all var(--transition-fast);
}

.compare-slot.filled {
  background: var(--color-bg-primary);
  border-style: solid;
  border-color: var(--color-primary);
}

.compare-slot-empty {
  color: var(--color-text-tertiary);
  font-size: var(--text-small);
  text-align: center;
}

.compare-slot-image {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.compare-slot-name {
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-text-primary);
  text-align: center;
}

.compare-slot-remove {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-danger);
  color: var(--color-text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.compare-slot-remove:hover {
  transform: scale(1.1);
}

.compare-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
}

/* Compare Table */
.compare-section {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: var(--space-8);
}

.compare-section-header {
  background: var(--color-bg-secondary);
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-body);
  font-weight: 600;
  color: var(--color-text-primary);
}

.compare-table {
  width: 100%;
  overflow-x: auto;
}

.compare-table table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
}

.compare-table th,
.compare-table td {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}

.compare-table th {
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  width: 200px;
}

.compare-table td {
  font-size: var(--text-small);
  color: var(--color-text-primary);
  font-weight: 500;
  min-width: 200px;
}

.compare-table tr:hover td {
  background: var(--color-bg-secondary);
}

.compare-table .winner {
  color: var(--color-success);
  font-weight: 600;
}

.compare-table .loser {
  color: var(--color-danger);
}

.compare-table .equal {
  color: var(--color-text-secondary);
}

.compare-phone-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
}

.compare-phone-header img {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

.compare-phone-header .phone-name {
  font-size: var(--text-body);
  font-weight: 600;
  text-align: center;
}

.compare-phone-header .phone-price {
  font-size: var(--text-h4);
  font-weight: 700;
  color: var(--color-primary);
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-10);
}

.page-btn {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.page-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-btn.active {
  background: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
}

.page-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@media (max-width: 430px) {
  .pagination {
    gap: var(--space-1);
  }

  .page-btn {
    min-width: 32px;
    height: 32px;
    font-size: var(--text-xs);
  }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-white);
  padding: var(--space-12) 0 var(--space-6);
  margin-top: var(--space-12);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-10);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr repeat(3, 1fr);
  }
}

/* Mobile (640px and below) footer adjustments */
@media (max-width: 640px) {
  .footer {
    padding: var(--space-8) 0 var(--space-4);
    margin-top: var(--space-8);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-description {
    max-width: 100%;
  }

  .footer-title {
    font-size: var(--text-small);
    margin-bottom: var(--space-3);
  }

  .footer-links {
    gap: var(--space-2);
  }

  .footer-links a {
    font-size: var(--text-xs);
  }

  .footer-bottom {
    padding-top: var(--space-4);
    gap: var(--space-3);
  }

  .footer-legal {
    gap: var(--space-4);
    flex-wrap: wrap;
    justify-content: center;
  }

  .footer-legal a {
    font-size: var(--text-xs);
  }

  .footer-copyright {
    font-size: var(--text-xs);
  }
}

/* Extra small mobile (380px and below) footer single column */
@media (max-width: 380px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-h4);
  font-weight: 700;
}

.footer-description {
  font-size: var(--text-small);
  color: var(--color-text-tertiary);
  line-height: 1.6;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-bg-dark-card);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.footer-title {
  font-size: var(--text-body);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--text-small);
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-text-white);
}

.footer-bottom {
  border-top: 1px solid var(--color-bg-dark-card);
  padding-top: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-copyright {
  font-size: var(--text-small);
  color: var(--color-text-tertiary);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  font-size: var(--text-small);
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--color-text-white);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
  text-align: center;
}

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

.text-primary {
  color: var(--color-primary);
}

.text-success {
  color: var(--color-success);
}

.text-warning {
  color: var(--color-warning);
}

.text-danger {
  color: var(--color-danger);
}

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

.bg-secondary {
  background: var(--color-bg-secondary);
}

.hidden {
  display: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Mobile optimizations */
@media (max-width: 639px) {
  .section {
    padding: var(--space-8) 0;
  }

  .hero {
    padding: var(--space-8) 0;
  }

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

  .btn {
    width: 100%;
  }
}

/* ============================================
   AUTH MODALS
   ============================================ */
.auth-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.auth-modal-overlay.hidden {
  display: none;
}

.auth-modal {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 420px;
  padding: var(--space-8);
  max-height: 90vh;
  overflow-y: auto;
  animation: authModalIn 0.25s ease;
}

@keyframes authModalIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.97);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.auth-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.auth-modal-title {
  font-size: var(--text-h3);
  font-weight: 700;
  color: var(--color-text-primary);
}

.auth-modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-tertiary);
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.auth-modal-close:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-tertiary);
}

.auth-form-group {
  margin-bottom: var(--space-4);
}

.auth-label {
  display: block;
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.auth-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-body);
  font-family: var(--font-family);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.auth-input::placeholder {
  color: var(--color-text-tertiary);
}

.auth-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(91, 77, 255, 0.15);
}

.auth-remember {
  display: flex;
  align-items: center;
}

.auth-checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  cursor: pointer;
}

.auth-checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}

.auth-submit-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.auth-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.auth-spinner {
  animation: authSpin 0.8s linear infinite;
}

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

.auth-error {
  background: rgba(255, 87, 34, 0.1);
  color: var(--color-danger);
  border: 1px solid rgba(255, 87, 34, 0.2);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-small);
  margin-bottom: var(--space-4);
}

.auth-success {
  background: rgba(0, 200, 83, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(0, 200, 83, 0.2);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-small);
  margin-bottom: var(--space-4);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
  color: var(--color-text-tertiary);
  font-size: var(--text-small);
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.auth-external-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.auth-external-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.auth-external-btn:hover {
  background: var(--color-bg-secondary);
  border-color: var(--color-primary);
}

.auth-btn-apple {
  color: var(--color-text-primary);
}

.auth-switch {
  text-align: center;
  margin-top: var(--space-6);
  font-size: var(--text-small);
  color: var(--color-text-secondary);
}

.auth-switch-link {
  background: none;
  border: none;
  color: var(--color-primary);
  font-weight: 600;
  cursor: pointer;
  font-size: var(--text-small);
  font-family: var(--font-family);
  text-decoration: none;
}

.auth-switch-link:hover {
  text-decoration: underline;
}

/* Auth Tabs */
.auth-tabs {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  padding: var(--space-1);
}

.auth-tab {
  flex: 1;
  padding: var(--space-2) var(--space-4);
  border: none;
  background: transparent;
  border-radius: calc(var(--radius-sm) - 2px);
  font-size: var(--text-small);
  font-weight: 600;
  font-family: var(--font-family);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.auth-tab:hover {
  color: var(--color-text-primary);
}

.auth-tab.active {
  background: var(--color-bg-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* Auth Tab Panels */
.auth-tab-panel.hidden {
  display: none;
}

/* Terms checkbox & validation */
.auth-terms-label {
  align-items: flex-start;
}

.auth-terms-label span {
  line-height: 1.4;
}

.auth-terms-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.auth-terms-link:hover {
  text-decoration: underline;
}

.auth-field-error {
  color: var(--color-danger);
  font-size: var(--text-xs);
  margin-top: var(--space-1);
}

.auth-field-error.hidden {
  display: none;
}

@media (max-width: 480px) {
  .auth-modal {
    padding: var(--space-6);
    max-width: 100%;
    border-radius: var(--radius-md);
  }
}

/* ============================================
   SEARCH AUTOCOMPLETE DROPDOWN
   ============================================ */
.search-results-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg-primary, #fff);
  border-radius: 0 0 var(--radius-lg, 12px) var(--radius-lg, 12px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  max-height: 400px;
  overflow-y: auto;
  margin-top: 2px;
}

.search-results-dropdown.active {
  display: block;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: var(--space-3, 12px);
  padding: var(--space-3, 12px) var(--space-4, 16px);
  text-decoration: none;
  color: var(--color-text-primary, #1a1a2e);
  transition: background 0.15s ease;
  cursor: pointer;
}

.search-result-item:hover,
.search-result-item:focus {
  background: var(--color-bg-secondary, #f5f5f5);
  outline: none;
}

.search-result-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--radius-sm, 6px);
  background: var(--color-bg-secondary, #f5f5f5);
  flex-shrink: 0;
}

.search-result-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.search-result-brand {
  font-size: 0.7rem;
  color: var(--color-text-tertiary, #999);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.search-result-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-primary, #1a1a2e);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-no-results {
  padding: var(--space-4, 16px);
  text-align: center;
  color: var(--color-text-tertiary, #999);
  font-size: 0.9rem;
}

/* ============================================
   BREADCRUMB NAVIGATION
   ============================================ */
.breadcrumb-nav {
  padding: var(--space-2) 0;
  margin-bottom: var(--space-3);
}

.breadcrumb {
  display: flex;
  list-style: none;
  gap: 0;
  flex-wrap: wrap;
  padding: 0;
  margin: 0;
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  font-size: 0.8125rem;
}

.breadcrumb-item+.breadcrumb-item::before {
  content: "›";
  padding: 0 0.4rem;
  color: #999;
  font-size: 0.875rem;
}

.breadcrumb-item a {
  color: #555;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
  color: var(--color-primary, #333);
  text-decoration: none;
}

.breadcrumb-item.active {
  color: #333;
}

/* Breadcrumb inside .phone-hero (dark background) — white text */
.phone-hero .breadcrumb-item+.breadcrumb-item::before,
.compare-result-hero .breadcrumb-item+.breadcrumb-item::before,
.compare-hero .breadcrumb-item+.breadcrumb-item::before,
.hero .breadcrumb-item+.breadcrumb-item::before {
  color: rgba(255, 255, 255, 0.5);
}

.phone-hero .breadcrumb-item a,
.compare-result-hero .breadcrumb-item a,
.compare-hero .breadcrumb-item a,
.hero .breadcrumb-item a {
  color: rgba(255, 255, 255, 0.7);
}

.phone-hero .breadcrumb-item a:hover,
.compare-result-hero .breadcrumb-item a:hover,
.compare-hero .breadcrumb-item a:hover,
.hero .breadcrumb-item a:hover {
  color: #fff;
}

.phone-hero .breadcrumb-item.active,
.compare-result-hero .breadcrumb-item.active,
.compare-hero .breadcrumb-item.active,
.hero .breadcrumb-item.active {
  color: rgba(255, 255, 255, 0.5);
}

/* Static hero — light background, dark text (for static pages) */
.static-hero {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.static-hero::before {
  display: none;
}

/* Breadcrumb inside .static-hero — dark/readable colors */
.static-hero .breadcrumb-item+.breadcrumb-item::before {
  color: var(--color-text-tertiary);
}

.static-hero .breadcrumb-item a {
  color: var(--color-text-secondary);
}

.static-hero .breadcrumb-item a:hover {
  color: var(--color-primary);
}

.static-hero .breadcrumb-item.active {
  color: var(--color-text-tertiary);
}

/* ============================================
   TABLE LAYOUT (k-dltable, k-h4, k-ul)
   ============================================ */

/* Spec Table */
.k-dltable {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
}

.k-dltable th,
.k-dltable td {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  text-align: left;
  font-size: var(--text-small);
  vertical-align: top;
}

.k-dltable th {
  width: 35%;
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  font-weight: 600;
}

.k-dltable td {
  color: var(--color-text-primary);
  font-weight: 500;
}

/* Section Subtitle */
.k-h4 {
  font-size: var(--text-h5);
  font-weight: 700;
  color: var(--color-text-primary);
  margin: var(--space-6) 0 var(--space-3);
  padding-bottom: var(--space-2);
}

.k-h4:first-child {
  margin-top: 0;
}

/* Inline List */
.k-ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0;
  margin: 0;
}

.k-ul li {
  background: var(--color-bg-tertiary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-small);
  color: var(--color-text-primary);
}

/* Two-column list layout */
.k-ul.double {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

@media (max-width: 639px) {
  .k-ul.double {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   STATIC PAGES (About, Contact, Privacy, Terms)
   ============================================ */
.static-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-width: 960px;
}

.static-content--narrow {
  max-width: 800px;
}

.static-card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-8);
  border: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-normal);
}

.static-card:hover {
  box-shadow: var(--shadow-md);
}

.static-card-title {
  font-size: var(--text-h4);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.static-card p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  font-size: var(--text-body);
}

.static-list {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.static-list li {
  position: relative;
  padding-left: var(--space-6);
  color: var(--color-text-secondary);
  line-height: 1.7;
  font-size: var(--text-body);
}

.static-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

.static-update-date {
  font-size: var(--text-small);
  color: var(--color-text-tertiary);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

/* Contact Page Layout */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-8);
  max-width: 960px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--text-body);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.contact-info-item:hover {
  background: var(--color-bg-tertiary);
}

.contact-info-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-logo {
  margin-top: var(--space-6);
  text-align: center;
}

.contact-logo-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

/* Static Pages — Tablet (768px) */
@media (max-width: 768px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-logo-img {
    max-width: 60%;
  }

  .static-card {
    padding: var(--space-6);
  }
}

/* Static Pages — Mobile (480px) */
@media (max-width: 480px) {
  .static-content {
    gap: var(--space-4);
  }

  .static-card {
    padding: var(--space-4);
    border-radius: var(--radius-md);
  }

  .static-card-title {
    font-size: var(--text-h5);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
  }

  .static-card p {
    font-size: var(--text-small);
  }

  .static-list li {
    font-size: var(--text-small);
    padding-left: var(--space-5);
  }

  .contact-layout {
    gap: var(--space-4);
  }

  .contact-info-item {
    font-size: var(--text-small);
    padding: var(--space-2) var(--space-3);
  }

  .contact-logo-img {
    max-width: 50%;
  }
}

/* Form Styles */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-body);
  font-family: var(--font-family);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(91, 77, 255, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-danger);
  margin-top: var(--space-1);
}

/* Form — Mobile (480px) */
@media (max-width: 480px) {
  .form-group {
    margin-bottom: var(--space-3);
  }

  .form-label {
    font-size: var(--text-xs);
  }

  .form-input {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-small);
  }
}

/* Alerts */
.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-small);
  margin-bottom: var(--space-4);
}

.alert-success {
  background: rgba(0, 200, 83, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(0, 200, 83, 0.2);
}

.alert-danger {
  background: rgba(255, 87, 34, 0.1);
  color: var(--color-danger);
  border: 1px solid rgba(255, 87, 34, 0.2);
}

/* ============================================
   POPUP BİLDİRİM SİSTEMİ
   ============================================ */

#popup-notification-container {
  display: none;
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 9999;
  flex-direction: column;
  gap: 12px;
  max-width: 400px;
  width: calc(100% - 40px);
  pointer-events: none;
}

.popup-notification-toast {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  border-left: 4px solid var(--primary, #6366f1);
  padding: 16px;
  pointer-events: auto;
  opacity: 0;
  transform: translateX(100%);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.popup-notification-toast.popup-notification-show {
  opacity: 1;
  transform: translateX(0);
}

.popup-notification-toast.popup-notification-hide {
  opacity: 0;
  transform: translateX(100%);
}

.popup-notification-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 8px;
}

.popup-notification-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #1e293b;
  line-height: 1.4;
}

.popup-notification-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: #94a3b8;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  flex-shrink: 0;
  transition: color 0.2s;
}

.popup-notification-close:hover {
  color: #475569;
}

.popup-notification-body {
  font-size: 0.875rem;
  color: #475569;
  line-height: 1.5;
}

@media (max-width: 480px) {
  #popup-notification-container {
    top: 70px;
    right: 10px;
    max-width: calc(100% - 20px);
    width: calc(100% - 20px);
  }
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-12, 48px) var(--space-4);
}

.empty-state-text {
  font-size: var(--text-h4);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

/* ============================================
   PHONE LIST GRID - RESPONSIVE
   ============================================ */
.phone-list-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-8);
  align-items: start;
  overflow-x: hidden;
}

.filter-toggle-mobile-btn {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-text-white);
  font-size: var(--text-body);
  font-weight: 600;
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 8px rgba(91, 77, 255, 0.3);
  transition: all var(--transition-fast);
}

.filter-toggle-mobile-btn:hover {
  background: var(--color-primary-dark);
}

@media (max-width: 768px) {
  .phone-list-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .filter-toggle-mobile-btn {
    display: flex;
  }

  .filter-panel-wrapper {
    display: none;
  }

  .filter-panel-wrapper.filter-panel-wrapper--open {
    display: block;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.d-none {
  display: none !important;
}

@media (min-width: 768px) {
  .d-md-block {
    display: block !important;
  }

  .d-md-flex {
    display: flex !important;
  }
}

/* Profile Layout */
.profile-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  max-width: 900px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .profile-layout {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  .profile-layout .form-input {
    max-width: 100%;
    box-sizing: border-box;
  }
}