/* ============================================================================
   GadgetRadar — Premium Design System
   ============================================================================ */

/* ─── FONTS ────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ─── TOKENS ───────────────────────────────────────────────────────── */
:root {
    /* Colors — Dark Radar Theme */
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: #1a1f35;
    --bg-card-hover: #222845;
    --bg-glass: rgba(26, 31, 53, 0.7);
    
    --accent: #10b981;
    --accent-glow: rgba(16, 185, 129, 0.15);
    --accent-bright: #34d399;
    --accent-dim: #059669;
    
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.08);
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-dim: #64748b;
    --text-accent: #10b981;
    
    --border: rgba(148, 163, 184, 0.1);
    --border-accent: rgba(16, 185, 129, 0.3);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --container: 1200px;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    
    /* Transitions */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --duration: 0.3s;
}

/* ─── RESET ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; transition: color var(--duration) var(--ease); }
a:hover { color: var(--accent-bright); }
img { max-width: 100%; height: auto; display: block; }

/* ─── LAYOUT ───────────────────────────────────────────────────────── */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ─── HEADER ───────────────────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
}

.header-inner {
    max-width: var(--container);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo-icon {
    width: 32px;
    height: 32px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    position: relative;
    box-shadow: 0 0 12px var(--accent-glow);
    flex-shrink: 0;
}

.logo-icon::before {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.logo-icon::after {
    content: '';
    position: absolute;
    top: calc(50% - 1px);
    left: 50%;
    width: 45%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    transform-origin: 0% 50%;
    animation: radar-spin 3s linear infinite;
}

@keyframes radar-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

.header-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.header-nav a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--duration) var(--ease);
}

.header-nav a:hover { color: var(--text-primary); }

.lang-switch {
    padding: 6px 16px;
    border: 1px solid var(--border);
    border-radius: 99px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all var(--duration) var(--ease);
}

.lang-switch:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

/* ─── CATEGORY DROPDOWN ────────────────────────────────────────────── */
.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-dropdown {
    position: relative;
    cursor: pointer;
}

.dropdown-trigger {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--duration) var(--ease);
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-dropdown:hover .dropdown-trigger {
    color: var(--text-primary);
}

.dropdown-content {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: 240px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--duration) var(--ease);
    backdrop-filter: blur(20px);
    z-index: 1000;
}

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

.nav-parent-group {
    padding: 4px;
}

.nav-parent-group:not(:last-child) {
    border-bottom: 1px solid var(--border);
    margin-bottom: 4px;
}

.dropdown-content a.parent-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border-radius: var(--radius-xs);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.dropdown-content a.parent-link:hover {
    color: var(--accent);
}

.nav-children {
    display: flex;
    flex-direction: column;
    padding-left: 24px;
    margin-top: 2px;
    margin-bottom: 4px;
}

.dropdown-content a.child-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 12px;
    border-radius: var(--radius-xs);
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.dropdown-content a.child-link:hover {
    background: var(--accent-glow);
    color: var(--accent);
    transform: translateX(4px);
}

/* ─── CATEGORY HERO ────────────────────────────────────────────────── */
.category-hero {
    padding: 60px 0 40px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-bottom: 1px solid var(--border);
    margin-bottom: 40px;
}

.category-header {
    text-align: center;
}

.category-icon-large {
    font-size: 4rem;
    display: block;
    margin-bottom: 16px;
    filter: drop-shadow(0 0 20px var(--accent-glow));
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.category-count {
    color: var(--text-dim);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 8px;
}

/* ─── CATEGORY CHIPS (Home) ───────────────────────────────────────── */
.category-chips-section {
    padding: 0 0 40px;
}

.category-chips {
    display: flex;
    overflow-x: auto;
    padding: 4px 4px 16px;
    gap: 12px;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.category-chips::-webkit-scrollbar { display: none; }

.chip {
    flex-shrink: 0;
    padding: 10px 24px;
    border-radius: 99px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--duration) var(--ease);
    display: flex;
    align-items: center;
    gap: 8px;
}

.chip:hover {
    border-color: var(--accent-bright);
    color: var(--text-primary);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.chip.active {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
    box-shadow: 0 4px 20px var(--accent-glow);
}

/* ─── HERO (Home) ──────────────────────────────────────────────────── */
.hero {
    padding: 80px 0 40px;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.hero h1 span { color: var(--accent); }

.hero p {
    color: var(--text-secondary);
    font-size: 1.15rem;
    max-width: 520px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border-accent), transparent);
}

/* ─── PRODUCT GRID ─────────────────────────────────────────────────── */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    padding-bottom: 80px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--duration) var(--ease);
    position: relative;
}

.product-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px var(--accent-glow);
}

.card-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--bg-secondary);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease);
}

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

.card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--accent);
    color: var(--bg-primary);
    padding: 4px 12px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.card-score {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(10, 14, 26, 0.9);
    backdrop-filter: blur(10px);
    padding: 6px 14px;
    border-radius: var(--radius-xs);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent);
    border: 1px solid var(--border-accent);
}

.card-body {
    padding: 20px;
}

.card-category {
    font-size: 0.78rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
    margin-bottom: 8px;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 12px;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.card-price {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent);
}

.card-price-original {
    font-size: 0.85rem;
    color: var(--text-dim);
    text-decoration: line-through;
    margin-left: 8px;
    font-weight: 400;
}

.card-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: transparent;
    border: 1px solid var(--border-accent);
    border-radius: 99px;
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 600;
    transition: all var(--duration) var(--ease);
}

.card-cta:hover {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

/* ─── PRODUCT DETAIL ───────────────────────────────────────────────── */
.product-detail {
    padding: 40px 0 80px;
}

.product-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.product-gallery {
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.product-gallery .main-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    cursor: pointer;
    transition: opacity var(--duration) var(--ease);
}

.product-thumbs {
    display: flex;
    gap: 8px;
    padding: 10px;
    overflow-x: auto;
    background: var(--bg-secondary);
}

.product-thumbs img {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: var(--radius-xs);
    border: 2px solid transparent;
    cursor: pointer;
    opacity: 0.6;
    transition: all var(--duration) var(--ease);
    flex-shrink: 0;
}

.product-thumbs img:hover,
.product-thumbs img.active {
    opacity: 1;
    border-color: var(--accent);
}

.product-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.product-category-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--accent-glow);
    border: 1px solid var(--border-accent);
    border-radius: 99px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    width: fit-content;
    transition: all var(--duration) var(--ease);
}

.product-category-tag:hover {
    background: var(--accent);
    color: var(--bg-primary);
    transform: translateY(-2px);
}

.product-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.product-title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.product-pricing {
    display: flex;
    align-items: baseline;
    gap: 16px;
    flex-wrap: wrap;
}

.product-price {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent);
}

.product-price-was {
    font-size: 1.1rem;
    color: var(--text-dim);
    text-decoration: line-through;
}

.product-discount {
    padding: 4px 12px;
    background: var(--danger-bg);
    color: var(--danger);
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 700;
}

.product-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.stat-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    text-align: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 4px;
}

.buy-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    color: white;
    border-radius: var(--radius-sm);
    font-size: 1.05rem;
    font-weight: 700;
    transition: all var(--duration) var(--ease);
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.buy-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
    color: white;
}

/* ─── SCORES ───────────────────────────────────────────────────────── */
.scores-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 48px;
}

.score-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 24px;
    text-align: center;
}

.score-ring {
    width: 80px;
    height: 80px;
    margin: 0 auto 12px;
    position: relative;
}

.score-ring svg {
    transform: rotate(-90deg);
    width: 80px;
    height: 80px;
}

.score-ring circle {
    fill: none;
    stroke-width: 6;
    cx: 40;
    cy: 40;
    r: 34;
}

.score-ring .bg { stroke: var(--border); }
.score-ring .fill {
    stroke: var(--accent);
    stroke-linecap: round;
    stroke-dasharray: 213.6;
    transition: stroke-dashoffset 1s var(--ease);
}

.score-number {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.3rem;
    font-weight: 800;
    font-family: var(--font-mono);
    color: var(--accent);
}

.score-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ─── REVIEW CONTENT ───────────────────────────────────────────────── */
.review-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    margin-bottom: 32px;
    font-size: 1.05rem;
    line-height: 1.8;
}

.review-content p {
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.review-content p:last-child { margin-bottom: 0; }

/* ─── DEALBREAKER ──────────────────────────────────────────────────── */
.dealbreaker {
    background: var(--danger-bg);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-left: 4px solid var(--danger);
    border-radius: var(--radius-sm);
    padding: 24px 28px;
    margin-bottom: 48px;
}

.dealbreaker-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--danger);
    margin-bottom: 8px;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.dealbreaker p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ─── FOOTER ───────────────────────────────────────────────────────── */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
    text-align: center;
}

.footer-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.footer-logo {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.footer-logo span { color: var(--accent); }

.footer-text {
    font-size: 0.82rem;
    color: var(--text-dim);
}

/* ─── EMPTY STATE ──────────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 80px 24px;
}

.empty-state .radar-big {
    width: 100px;
    height: 100px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    margin: 0 auto 24px;
    position: relative;
    box-shadow: 0 0 30px var(--accent-glow);
}

.empty-state .radar-big::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 50%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    transform-origin: 0% 50%;
    animation: radar-spin 2s linear infinite;
}

.empty-state p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ─── 404 ──────────────────────────────────────────────────────────── */
.page-404 {
    text-align: center;
    padding: 120px 24px;
}

.page-404 h1 {
    font-size: 6rem;
    font-weight: 800;
    color: var(--accent);
    font-family: var(--font-mono);
    margin-bottom: 16px;
}

.page-404 p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 32px;
}

/* ─── RESPONSIVE ───────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .product-hero {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .product-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .scores-section {
        grid-template-columns: 1fr;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .review-content {
        padding: 24px;
    }
    
    .header-nav { gap: 12px; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.8rem; }
    .product-stats { grid-template-columns: 1fr; }
}

/* --- LIGHTBOX ------------------------------------------------------- */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(8px);
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#lightbox-img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
    box-shadow: 0 10px 40px rgba(0,0,0,0.8);
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 32px;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    z-index: 100000;
    transition: color var(--duration) var(--ease);
}
.lightbox-close:hover { color: var(--danger); }

.lightbox-prev, .lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 3rem;
    cursor: pointer;
    z-index: 100000;
    padding: 20px;
    opacity: 0.6;
    transition: all var(--duration) var(--ease);
}
.lightbox-prev { left: 2vw; }
.lightbox-next { right: 2vw; }
.lightbox-prev:hover, .lightbox-next:hover { opacity: 1; color: var(--accent); }

/* --- SEARCH --------------------------------------------------------- */
.search-form {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 99px;
    padding: 4px 16px;
}

.search-input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    width: 160px;
}

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

.search-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.1rem;
    margin-left: 8px;
}
.search-btn:hover { color: var(--accent); }