/* =============================================================================
   Nordic Price Tracker - Main Stylesheet
   Minimalist Nordic Design
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables
   -------------------------------------------------------------------------- */
:root {
    /* Primary Colors - Deep Nordic Blue */
    --color-primary: #1e3a5f;
    --color-primary-light: #2d4a6f;
    --color-primary-dark: #152a47;

    /* Accent - Fjord Blue */
    --color-accent: #4a90d9;
    --color-accent-light: #6ba3e0;
    --color-accent-dark: #3a7bc8;

    /* Neutrals */
    --color-bg: #f8fafc;
    --color-bg-alt: #ffffff;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-text-muted: #9ca3af;
    --color-border: #e5e7eb;
    --color-border-light: #f3f4f6;

    /* Feedback */
    --color-success: #10b981;
    --color-success-light: #d1fae5;
    --color-error: #ef4444;
    --color-error-light: #fee2e2;
    --color-warning: #f59e0b;
    --color-warning-light: #fef3c7;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

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

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

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

    /* Layout */
    --header-height: 70px;
    --max-width: 1280px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-dark);
}

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

button {
    font-family: inherit;
    cursor: pointer;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
}

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

.logo-icon {
    font-size: 1.5em;
    color: var(--color-accent);
}

/* Header Search */
.header-search {
    flex: 1;
    max-width: 500px;
    display: flex;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
}

.header-search:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.1);
}

.header-search input {
    flex: 1;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    outline: none;
}

.header-search button {
    background: none;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-light);
    display: flex;
    align-items: center;
}

.header-search button:hover {
    color: var(--color-accent);
}

/* Header Navigation */
.header-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent);
    background: rgba(74, 144, 217, 0.1);
}

/* Language Switcher */
.lang-switch {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding-left: var(--spacing-md);
    border-left: 1px solid var(--color-border);
    margin-left: var(--spacing-sm);
}

.lang-switch a {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-light);
    border-radius: var(--radius-sm);
}

.lang-switch a:hover,
.lang-switch a.active {
    color: var(--color-primary);
    background: var(--color-bg);
}

.lang-switch span {
    color: var(--color-border);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: var(--spacing-sm);
    color: var(--color-text);
}

.mobile-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-nav.open {
    display: flex;
}

.mobile-nav a {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    border-radius: var(--radius-md);
}

.mobile-search {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.mobile-search input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.mobile-search button {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius-md);
}

.mobile-lang-switch {
    display: flex;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-sm);
}

/* --------------------------------------------------------------------------
   Main Content
   -------------------------------------------------------------------------- */
.main-content {
    min-height: calc(100vh - var(--header-height) - 300px);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    margin-bottom: var(--spacing-xl);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.hero-search {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    position: relative;
}

.hero-search input {
    flex: 1;
    padding: var(--spacing-lg);
    border: none;
    font-size: var(--font-size-lg);
    outline: none;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.hero-search button {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--color-accent);
    color: white;
    border: none;
    font-weight: 600;
    font-size: var(--font-size-lg);
    transition: background var(--transition-fast);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.hero-search button:hover {
    background: var(--color-accent-dark);
}

/* --------------------------------------------------------------------------
   Categories Section
   -------------------------------------------------------------------------- */
.categories-grid,
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.category-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

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

.category-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
}

.category-icon svg {
    width: 48px;
    height: 48px;
    stroke: var(--color-accent);
}

.category-card h3 {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.category-card p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Section Headers
   -------------------------------------------------------------------------- */
.section {
    margin-bottom: var(--spacing-2xl);
}

.featured-deals,
.popular-products,
.countries {
    padding: var(--spacing-2xl) 0;
}

.categories {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-primary);
}

.section-link,
.view-all {
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-accent);
    transition: color var(--transition-fast);
}

.section-link:hover,
.view-all:hover {
    color: var(--color-accent-dark);
}

/* --------------------------------------------------------------------------
   Product Grid
   -------------------------------------------------------------------------- */
.products-grid,
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

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

.product-image {
    aspect-ratio: 1;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    position: relative;
}

.product-image img {
    max-height: 100%;
    object-fit: contain;
}

.product-badge,
.discount-badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-error);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
    z-index: 1;
}

.product-info {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-brand {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-name {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin: var(--spacing-xs) 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-name:hover {
    color: var(--color-accent);
}

.product-price {
    margin-top: auto;
    padding-top: var(--spacing-sm);
}

.price-current,
.current-price {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.price-original,
.original-price {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-decoration: line-through;
    margin-left: var(--spacing-sm);
}

.shop-count {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

.price-from {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   Country Grid / Markets Section
   -------------------------------------------------------------------------- */
.country-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.country-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

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

.country-flag {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-md);
}

.country-card h3 {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.country-card p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Search Page / Filters
   -------------------------------------------------------------------------- */
.search-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--spacing-xl);
}

.filters-sidebar {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    height: fit-content;
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-lg));
    overflow: hidden;
    z-index: 10;
}

.filter-group {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.filter-group:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.filter-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.filter-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

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

.filter-option label {
    cursor: pointer;
    color: var(--color-text);
}

.price-inputs {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    width: 100%;
}

.price-inputs input {
    flex: 1;
    min-width: 0;
    max-width: 100px;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-align: center;
    -moz-appearance: textfield;
}

.price-inputs input::-webkit-outer-spin-button,
.price-inputs input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.price-inputs span {
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.filter-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    margin-top: var(--spacing-md);
    transition: background var(--transition-fast);
}

.filter-btn:hover {
    background: var(--color-accent-dark);
}

/* Mobile Filter Toggle - Hidden on Desktop */
.mobile-filter-toggle {
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    margin-bottom: var(--spacing-md);
}

.mobile-filter-toggle svg {
    stroke: var(--color-text-light);
}

/* Search Results Header */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.results-count {
    color: var(--color-text-light);
}

.sort-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-alt);
    color: var(--color-text);
    cursor: pointer;
}

/* --------------------------------------------------------------------------
   Product Detail Page
   -------------------------------------------------------------------------- */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.product-gallery {
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.product-gallery img {
    max-height: 400px;
    object-fit: contain;
}

.product-details h1 {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.product-details .brand {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.price-highlight {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.price-highlight .label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.price-highlight .price {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
}

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

.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
    border: none;
}

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

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

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

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

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

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

/* Price Comparison Table */
.price-table {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.price-table-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg);
    font-weight: 600;
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-border);
}

.price-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    gap: var(--spacing-md);
}

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

.price-row:hover {
    background: var(--color-bg);
}

.shop-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.shop-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    object-fit: contain;
    background: var(--color-bg);
}

.shop-name {
    font-weight: 500;
}

.shop-country {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.row-price {
    font-weight: 600;
    color: var(--color-primary);
}

.row-price .original {
    font-weight: 400;
    color: var(--color-text-muted);
    text-decoration: line-through;
    font-size: var(--font-size-sm);
    display: block;
}

.stock-status {
    font-size: var(--font-size-sm);
}

.stock-status.in-stock {
    color: var(--color-success);
}

.stock-status.out-of-stock {
    color: var(--color-error);
}

.btn-shop {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-align: center;
}

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

/* Price History Chart */
.chart-container {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    margin-bottom: var(--spacing-xl);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.chart-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Product Info Sections (Specs & Description)
   -------------------------------------------------------------------------- */
.product-info-sections {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.product-specs-card,
.product-description-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.product-specs-card .section-header,
.product-description-card .section-header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: white;
}

.product-specs-card .section-header svg,
.product-description-card .section-header svg {
    flex-shrink: 0;
    stroke: white;
    width: 24px;
    height: 24px;
}

.product-specs-card .section-header h3,
.product-description-card .section-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: 0;
    flex: 1;
}

/* Specs Grid */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--color-border);
}

.spec-item {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-alt);
}

.spec-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

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

/* Description */
.description-content {
    padding: var(--spacing-lg);
}

.description-content p {
    color: var(--color-text);
    line-height: 1.8;
}

/* --------------------------------------------------------------------------
   Shops Page
   -------------------------------------------------------------------------- */
.shops-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

/* Shop Cards */
.shop-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-normal);
}

.shop-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.shop-card .shop-logo {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.shop-card .shop-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.shop-card .shop-info {
    min-width: 0;
}

.shop-card .shop-info h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.shop-card .shop-info .shop-country {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.shop-card .shop-stats {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-align: right;
    white-space: nowrap;
}

/* Country Section */
.country-section {
    margin-bottom: var(--spacing-2xl);
}

.country-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
}

.country-flag-large {
    font-size: 1.5rem;
}

.country-header h2 {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin: 0;
}

.country-header p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
}

/* Country Filter */
.country-filter {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.country-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.country-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

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

/* --------------------------------------------------------------------------
   Modal
   -------------------------------------------------------------------------- */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 420px;
    width: 100%;
    position: relative;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    border: none;
    background: var(--color-bg);
    border-radius: var(--radius-full);
    font-size: 1.25rem;
    color: var(--color-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-error-light);
    color: var(--color-error);
}

.modal-content h2 {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    padding-right: var(--spacing-xl);
}

.modal-content > p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.modal-content .form-group {
    margin-bottom: var(--spacing-lg);
}

.modal-content label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.modal-content input[type="number"],
.modal-content input[type="text"],
.modal-content input[type="email"] {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-lg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.modal-content input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.1);
}

.modal-content .btn {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
}

/* --------------------------------------------------------------------------
   Auth Pages (Login/Register)
   -------------------------------------------------------------------------- */
.auth-container {
    max-width: 420px;
    margin: var(--spacing-2xl) auto;
    padding: var(--spacing-lg);
}

.auth-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
}

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

.auth-header h1 {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.auth-header p {
    color: var(--color-text-light);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.form-group input {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.1);
}

.form-error {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.form-submit {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: background var(--transition-fast);
}

.form-submit:hover {
    background: var(--color-accent-dark);
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-light);
}

/* Alert Messages */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

.alert-success {
    background: var(--color-success-light);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.alert-error {
    background: var(--color-error-light);
    color: var(--color-error);
    border: 1px solid var(--color-error);
}

.alert-warning {
    background: var(--color-warning-light);
    color: var(--color-warning);
    border: 1px solid var(--color-warning);
}

/* --------------------------------------------------------------------------
   Watchlist & Alerts
   -------------------------------------------------------------------------- */
.watchlist-item,
.alert-item {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    gap: var(--spacing-lg);
    align-items: center;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    margin-bottom: var(--spacing-md);
}

.watchlist-item:hover,
.alert-item:hover {
    border-color: var(--color-accent);
}

.item-image {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.item-image img {
    max-height: 60px;
    object-fit: contain;
}

.item-info h3 {
    font-size: var(--font-size-base);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.item-info p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

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

.item-price .current {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.item-price .target {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-3xl);
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    max-width: 300px;
}

.footer-links h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

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

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

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

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

.copyright {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.footer-nav {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-nav a {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   Toast Notification
   -------------------------------------------------------------------------- */
.toast {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 500;
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

.toast.success {
    background: var(--color-success);
}

.toast.error {
    background: var(--color-error);
}

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.pagination a,
.pagination span {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.pagination a:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

.pagination .active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.pagination .disabled {
    color: var(--color-text-muted);
    cursor: not-allowed;
}

/* --------------------------------------------------------------------------
   Empty State
   -------------------------------------------------------------------------- */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    color: var(--color-text-light);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-state h3 {
    font-size: var(--font-size-xl);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    margin-bottom: var(--spacing-lg);
}

/* --------------------------------------------------------------------------
   Loading Spinner
   -------------------------------------------------------------------------- */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-2xl);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .search-layout {
        grid-template-columns: 1fr;
    }

    .filters-sidebar {
        position: static;
    }

    .product-detail {
        grid-template-columns: 1fr;
    }

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

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

    .header-nav {
        display: none;
    }

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

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

    .search-layout {
        grid-template-columns: 1fr;
    }

    .filters-sidebar {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1000;
        border-radius: 0;
        overflow-y: auto;
        padding-top: var(--spacing-2xl);
    }

    .filters-sidebar.active {
        display: block;
    }

    .hero {
        padding: var(--spacing-xl);
    }

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

    .hero-search button {
        padding: var(--spacing-md);
    }

    .specs-grid {
        grid-template-columns: 1fr;
    }

    .section-header {
        padding: var(--spacing-md);
    }

    .spec-item {
        padding: var(--spacing-md);
    }

    .categories-grid {
        grid-template-columns: 1fr;
    }

    .price-row {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }

    .shop-info {
        grid-column: span 2;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        margin-bottom: var(--spacing-lg);
    }

    .footer-brand p {
        max-width: none;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .watchlist-item,
    .alert-item {
        grid-template-columns: auto 1fr;
    }

    .item-price,
    .item-actions {
        grid-column: span 2;
    }
}

@media (max-width: 480px) {
    .container {
        padding: var(--spacing-md);
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .shops-grid {
        grid-template-columns: 1fr;
    }

    .shop-card {
        grid-template-columns: auto 1fr;
        grid-template-rows: auto auto;
    }

    .shop-card .shop-stats {
        grid-column: 2;
        text-align: left;
    }

    .shop-card .btn {
        grid-column: 1 / -1;
        justify-self: stretch;
        text-align: center;
    }

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