/**
 * ADNIJA.LT - Stiliai
 * Vieša e-parduotuvė
 */

/* ============================================
   KINTAMIEJI
   ============================================ */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #64748b;
    --accent: #f59e0b;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    
    --background: #ffffff;
    --foreground: #0f172a;
    --muted: #f1f5f9;
    --muted-foreground: #64748b;
    --border: #e2e8f0;
    --card: #ffffff;
    --card-foreground: #0f172a;
    
    --radius: 0.5rem;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    
    --header-height: 64px;
    --container-max: 1280px;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
}

/* ============================================
   RESET
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--foreground);
    background: var(--background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

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

ul, ol {
    list-style: none;
}

/* ============================================
   CONTAINER
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   TESTAVIMO BANNERIS
   ============================================ */
.testing-banner {
    background: #f59e0b;
    color: #451a03;
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    font-weight: 500;
    position: sticky;
    top: 0;
    z-index: 100;
}

.testing-banner .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.testing-icon {
    font-size: 1.25rem;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

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

.logo-text {
    display: none;
}

@media (min-width: 768px) {
    .logo-text {
        display: inline;
    }
}

.search-form {
    display: flex;
    flex: 1;
    max-width: 400px;
}

.search-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius) 0 0 var(--radius);
    font-size: 0.875rem;
    outline: none;
}

.search-input:focus {
    border-color: var(--primary);
}

.search-button {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary);
    color: white;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-weight: 500;
}

.search-button:hover {
    background: var(--primary-dark);
}

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

.nav-link {
    font-weight: 500;
    color: var(--muted-foreground);
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--foreground);
}

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

.cart-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--muted);
    border-radius: var(--radius);
    font-weight: 500;
}

.cart-button:hover {
    background: var(--border);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    padding: var(--spacing-sm);
}

/* ============================================
   MYGTUKAI
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 500;
    border-radius: var(--radius);
    transition: all 0.2s;
    white-space: nowrap;
}

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

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

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

.btn-outline:hover {
    background: var(--muted);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* ============================================
   HERO
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   PASITIKĖJIMO JUOSTA
   ============================================ */
.trust-bar {
    background: var(--muted);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

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

.trust-icon {
    font-size: 1.5rem;
}

.trust-text strong {
    display: block;
    font-size: 0.875rem;
}

.trust-text span {
    font-size: 0.75rem;
    color: var(--muted-foreground);
}

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

.section-highlight {
    background: var(--muted);
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

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

/* ============================================
   PREKIŲ GRID
   ============================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.products-grid-lg {
    grid-template-columns: repeat(6, 1fr);
}

.product-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: box-shadow 0.2s;
}

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

.product-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--muted);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.product-title {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
}

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

.price-old {
    font-size: 0.75rem;
    color: var(--muted-foreground);
    text-decoration: line-through;
}

/* ============================================
   BADGE
   ============================================ */
.badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius);
}

.badge-sale {
    background: var(--error);
    color: white;
}

.badge-new {
    background: var(--success);
    color: white;
}

/* ============================================
   KATEGORIJOS
   ============================================ */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
    transition: all 0.2s;
}

.category-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.category-icon {
    font-size: 2rem;
}

.category-name {
    font-weight: 500;
    font-size: 0.875rem;
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border-bottom: 1px solid #fecaca;
}

.alert-success {
    background: #f0fdf4;
    color: #166534;
    border-bottom: 1px solid #bbf7d0;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    margin-top: auto;
    background: var(--foreground);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

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

.footer-section a {
    color: rgba(255,255,255,0.7);
    transition: color 0.2s;
}

.footer-section a:hover {
    color: white;
}

.footer-section p {
    color: rgba(255,255,255,0.7);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 0.875rem;
}

.footer-location {
    margin-top: var(--spacing-xs);
}

/* ============================================
   MOBILUS MENIU
   ============================================ */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
}

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

.mobile-menu-inner {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 280px;
    background: var(--card);
    padding: var(--spacing-lg);
}

.mobile-menu-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 1.5rem;
}

.mobile-nav {
    margin-top: var(--spacing-xl);
}

.mobile-nav-link {
    display: block;
    padding: var(--spacing-md) 0;
    font-weight: 500;
    border-bottom: 1px solid var(--border);
}

/* ============================================
   USER DROPDOWN
   ============================================ */
.user-dropdown {
    position: relative;
}

.user-button {
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 500;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    min-width: 180px;
    box-shadow: var(--shadow-md);
    z-index: 100;
}

.user-dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    transition: background 0.2s;
}

.dropdown-menu a:hover {
    background: var(--muted);
}

.dropdown-menu hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: var(--spacing-xs) 0;
}

/* ============================================
   FORMOS
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

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

.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

.form-input:focus {
    border-color: var(--primary);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .products-grid-lg {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .categories-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .search-form,
    .nav-main {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .products-grid,
    .products-grid-lg {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .trust-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .header-actions {
        gap: var(--spacing-sm);
    }
    
    .btn-lg {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1rem;
    }
}