/* ============================================
   KeyWorld - Premium Compact Dark Theme
   Professional Digital License Store
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ============================================
   Design Tokens
   ============================================ */
:root {
    --bg-primary: #060611;
    --bg-secondary: #0a0a1a;
    --bg-card: rgba(14, 14, 36, 0.7);
    --bg-card-hover: rgba(20, 20, 50, 0.85);
    --bg-card-solid: #0e0e24;
    --bg-elevated: #141432;
    --bg-input: #0c0c20;
    --bg-modal: rgba(6, 6, 11, 0.95);

    --accent-primary: #00d4ff;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #f43f5e;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-gold: #f0b90b;
    --accent-gradient: linear-gradient(135deg, #00d4ff, #8b5cf6);
    --accent-gradient-hot: linear-gradient(135deg, #f43f5e, #f59e0b);
    --accent-gradient-green: linear-gradient(135deg, #10b981, #00d4ff);

    --text-primary: #eeeef8;
    --text-secondary: #9494b8;
    --text-muted: #56567a;
    --text-accent: #00d4ff;

    --border-color: rgba(255, 255, 255, 0.05);
    --border-accent: rgba(0, 212, 255, 0.2);

    --glass-bg: rgba(14, 14, 36, 0.6);
    --glass-border: rgba(255, 255, 255, 0.07);
    --glass-blur: 16px;

    --shadow-sm: 0 1px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px rgba(0,212,255,0.12);

    --radius-xs: 6px;
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Outfit', 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-spring: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);

    --max-width: 1200px;
    --nav-height: 56px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    font-size: 15px;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.55;
    min-height: 100vh;
    overflow-x: hidden;
}

a { color: var(--accent-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--accent-secondary); }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; font-family: var(--font-primary); }
input, textarea, select { font-family: var(--font-primary); }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }

/* ============================================
   Layout
   ============================================ */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
.page-wrapper { min-height: 100vh; display: flex; flex-direction: column; }
.main-content { flex: 1; padding-top: var(--nav-height); }

/* ============================================
   Navigation — Compact
   ============================================ */
.navbar {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--nav-height);
    background: rgba(6, 6, 17, 0.88);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: background var(--transition-normal), box-shadow var(--transition-normal);
    will-change: background, box-shadow;
}
.navbar.scrolled { background: rgba(6, 6, 17, 0.96); box-shadow: var(--shadow-md); }

.navbar .container {
    display: flex; align-items: center; justify-content: space-between; height: 100%;
}

.nav-logo {
    display: flex; align-items: center; gap: 8px;
    font-family: var(--font-display); font-size: 1.2rem; font-weight: 800;
    color: var(--text-primary); text-decoration: none;
}
.nav-logo .logo-icon {
    width: 32px; height: 32px;
    background: var(--accent-gradient); border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem; color: #000;
}
.nav-logo span.accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.nav-links {
    display: flex; align-items: center; gap: 6px; list-style: none;
}
.nav-links a {
    color: var(--text-secondary); font-weight: 500; font-size: 0.82rem;
    padding: 6px 12px; border-radius: var(--radius-sm);
    transition: all var(--transition-fast); display: flex; align-items: center; gap: 5px;
}
.nav-links a:hover, .nav-links a.active {
    color: var(--text-primary); background: rgba(255,255,255,0.04);
}
.nav-links a.active { color: var(--accent-primary); }

.nav-right { display: flex; align-items: center; gap: 10px; }

.nav-cart {
    position: relative; display: flex; align-items: center; gap: 6px;
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    padding: 7px 14px; border-radius: var(--radius-full);
    color: var(--text-primary); font-weight: 600; font-size: 0.8rem;
    cursor: pointer; transition: all var(--transition-normal);
}
.nav-cart:hover { border-color: var(--accent-primary); box-shadow: var(--shadow-glow); }

.nav-cart .cart-count {
    position: absolute; top: -5px; right: -5px;
    background: var(--accent-gradient-hot); color: #fff;
    font-size: 0.65rem; font-weight: 700; width: 17px; height: 17px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    animation: pulse-badge 2s infinite;
}
.nav-cart .cart-count.hidden { display: none; }

@keyframes pulse-badge { 0%,100%{transform:scale(1)} 50%{transform:scale(1.12)} }

.nav-mobile-toggle {
    display: none; flex-direction: column; gap: 4px;
    background: none; padding: 6px; cursor: pointer;
}
.nav-mobile-toggle span {
    width: 20px; height: 2px; background: var(--text-primary);
    border-radius: var(--radius-full); transition: all var(--transition-normal);
}

/* ============================================
   Hero — Compact & Impactful
   ============================================ */
.hero {
    position: relative; min-height: 70vh;
    display: flex; align-items: center; overflow: hidden;
    padding: 40px 0 20px;
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg::before {
    content: ''; position: absolute; top: -40%; left: -15%;
    width: 50%; height: 80%;
    background: radial-gradient(circle, rgba(139,92,246,0.12) 0%, transparent 60%);
    animation: float-glow 10s ease-in-out infinite;
}
.hero-bg::after {
    content: ''; position: absolute; bottom: -20%; right: -5%;
    width: 40%; height: 60%;
    background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 60%);
    animation: float-glow 12s ease-in-out infinite reverse;
}
@keyframes float-glow {
    0%,100%{transform:translate(0,0) scale(1)} 33%{transform:translate(20px,-15px) scale(1.05)} 66%{transform:translate(-15px,10px) scale(0.97)}
}

#particles-canvas { position: absolute; inset: 0; z-index: 1; }

.hero-content { position: relative; z-index: 2; max-width: 600px; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(0,212,255,0.06); border: 1px solid rgba(0,212,255,0.15);
    padding: 5px 14px; border-radius: var(--radius-full);
    font-size: 0.75rem; color: var(--accent-primary); font-weight: 600;
    margin-bottom: 16px; animation: fade-in-up 0.5s ease forwards;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 900; line-height: 1.1; margin-bottom: 14px;
    animation: fade-in-up 0.5s ease 0.1s forwards; opacity: 0;
}
.hero h1 .gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero p {
    font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6;
    margin-bottom: 20px; max-width: 480px;
    animation: fade-in-up 0.5s ease 0.2s forwards; opacity: 0;
}

.hero-actions {
    display: flex; gap: 10px; flex-wrap: wrap;
    animation: fade-in-up 0.5s ease 0.3s forwards; opacity: 0;
}

.hero-stats {
    display: flex; gap: 32px; margin-top: 36px;
    animation: fade-in-up 0.5s ease 0.4s forwards; opacity: 0;
}
.hero-stat .stat-value {
    font-family: var(--font-display); font-size: 1.5rem; font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-stat .stat-label { font-size: 0.75rem; color: var(--text-muted); margin-top: 1px; }

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

/* ============================================
   Buttons — Compact
   ============================================ */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 9px 20px; border-radius: var(--radius-sm);
    font-weight: 600; font-size: 0.82rem;
    transition: all var(--transition-normal);
    border: none; cursor: pointer; text-decoration: none;
    position: relative; overflow: hidden;
}
.btn-primary {
    background: var(--accent-gradient); color: #000; font-weight: 700;
}
.btn-primary:hover {
    transform: translateY(-1px); box-shadow: 0 6px 24px rgba(0,212,255,0.25); color: #000;
}
.btn-secondary {
    background: transparent; color: var(--text-primary); border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    border-color: var(--accent-primary); box-shadow: var(--shadow-glow);
    transform: translateY(-1px); color: var(--text-primary);
}
.btn-accent { background: var(--accent-secondary); color: #fff; }
.btn-danger { background: var(--accent-tertiary); color: #fff; }
.btn-sm { padding: 6px 14px; font-size: 0.75rem; border-radius: var(--radius-xs); }
.btn-lg { padding: 12px 28px; font-size: 0.9rem; border-radius: var(--radius-md); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ============================================
   Sections
   ============================================ */
.section { padding: 48px 0; }
.section-header { text-align: center; margin-bottom: 32px; }
.section-header .section-badge {
    display: inline-flex; align-items: center; gap: 5px;
    background: rgba(0,212,255,0.06); border: 1px solid rgba(0,212,255,0.15);
    padding: 4px 12px; border-radius: var(--radius-full);
    font-size: 0.7rem; color: var(--accent-primary); font-weight: 600;
    text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px;
}
.section-header h2 {
    font-family: var(--font-display); font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 800; margin-bottom: 8px;
}
.section-header p { color: var(--text-secondary); max-width: 500px; margin: 0 auto; font-size: 0.9rem; }

/* ============================================
   Category Filters — Compact Pills
   ============================================ */
.category-filters {
    display: flex; justify-content: center; gap: 6px;
    margin-bottom: 28px; flex-wrap: wrap;
}
.filter-btn {
    padding: 7px 16px; border-radius: var(--radius-full);
    background: var(--glass-bg); border: 1px solid var(--border-color);
    color: var(--text-secondary); font-weight: 500; font-size: 0.78rem;
    cursor: pointer; transition: all var(--transition-normal);
    display: flex; align-items: center; gap: 4px;
}
.filter-btn:hover { border-color: var(--accent-primary); color: var(--text-primary); }
.filter-btn.active {
    background: var(--accent-gradient); color: #000;
    border-color: transparent; font-weight: 700;
}

/* ============================================
   Product Cards — Compact Grid
   ============================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}

.product-card {
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg); overflow: hidden;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    contain: layout style;
}
.product-card:hover {
    transform: translateY(-4px); border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
}

.product-card .card-image {
    position: relative; height: 150px; overflow: hidden;
    background: var(--bg-secondary);
}
.product-card .card-image img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.4s ease, opacity 0.4s ease;
    opacity: 0;
}
.product-card .card-image img.loaded { opacity: 1; }
.product-card:hover .card-image img.loaded { transform: scale(1.06); }

/* Image loading skeleton */
.card-image::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(110deg, var(--bg-secondary) 8%, var(--bg-elevated) 18%, var(--bg-secondary) 33%);
    background-size: 200% 100%;
    animation: shimmer 1.5s linear infinite;
    z-index: 1;
    transition: opacity 0.3s ease;
}
.card-image.img-loaded::before { opacity: 0; pointer-events: none; }

@keyframes shimmer {
    to { background-position: -200% 0; }
}

.product-card .card-badge {
    position: absolute; top: 10px; left: 10px;
    padding: 3px 10px; border-radius: var(--radius-full);
    font-size: 0.65rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.5px; z-index: 2;
}
.card-badge.games { background: rgba(244,63,94,0.9); color: #fff; }
.card-badge.streaming { background: rgba(139,92,246,0.9); color: #fff; }
.card-badge.software { background: rgba(0,212,255,0.9); color: #000; }
.card-badge.other { background: rgba(245,158,11,0.9); color: #000; }

.product-card .card-body { padding: 14px; }
.product-card .card-title {
    font-family: var(--font-display); font-size: 0.95rem;
    font-weight: 700; margin-bottom: 4px; color: var(--text-primary);
    line-height: 1.3;
}
.product-card .card-description {
    font-size: 0.78rem; color: var(--text-secondary); line-height: 1.4;
    margin-bottom: 10px; display: -webkit-box;
    -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

.product-card .card-price-prefix {
    font-size: 0.65rem; font-weight: 500; color: var(--text-muted);
    display: block; margin-bottom: -2px;
}

.product-card .card-footer {
    display: flex; align-items: center; justify-content: space-between;
    padding-top: 10px; border-top: 1px solid var(--border-color);
}
.product-card .card-price {
    font-family: var(--font-display); font-size: 1.2rem; font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.product-card .card-price .currency { font-size: 0.75rem; font-weight: 600; }
.product-card .card-stock {
    font-size: 0.7rem; color: var(--accent-success);
    display: flex; align-items: center; gap: 3px;
}
.product-card .card-stock.low { color: var(--accent-warning); }
.product-card .card-stock.out { color: var(--accent-tertiary); }

.product-card .add-to-cart-btn {
    width: 100%; margin-top: 10px; padding: 9px;
    border-radius: var(--radius-sm); background: var(--accent-gradient);
    color: #000; font-weight: 700; font-size: 0.78rem;
    border: none; cursor: pointer; transition: all var(--transition-normal);
    display: flex; align-items: center; justify-content: center; gap: 5px;
}
.product-card .add-to-cart-btn:hover {
    box-shadow: 0 4px 16px rgba(0,212,255,0.25); transform: translateY(-1px);
}
.product-card .add-to-cart-btn.added { background: var(--accent-success); }

@keyframes cart-bounce { 0%,100%{transform:scale(1)} 50%{transform:scale(1.04)} }

/* ============================================
   Features — Compact
   ============================================ */
.features-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px;
}
.feature-card {
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg); padding: 20px; text-align: center;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}
.feature-card:hover { transform: translateY(-3px); border-color: var(--border-accent); box-shadow: var(--shadow-glow); }
.feature-card .feature-icon {
    width: 48px; height: 48px; margin: 0 auto 12px;
    background: var(--accent-gradient); border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center; font-size: 1.2rem; color: #000;
}
.feature-card h3 { font-family: var(--font-display); font-size: 0.92rem; font-weight: 700; margin-bottom: 6px; }
.feature-card p { color: var(--text-secondary); font-size: 0.8rem; line-height: 1.5; }

/* ============================================
   Product Detail — Redesigned
   ============================================ */
.product-detail {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 32px; padding: 24px 0;
}

.product-image-wrapper {
    position: relative; border-radius: var(--radius-xl); overflow: hidden;
    background: var(--bg-card-solid); border: 1px solid var(--glass-border);
    aspect-ratio: 16/11;
}
.product-image-wrapper::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(110deg, var(--bg-secondary) 8%, var(--bg-elevated) 18%, var(--bg-secondary) 33%);
    background-size: 200% 100%;
    animation: shimmer 1.5s linear infinite;
    z-index: 1;
    transition: opacity 0.3s ease;
}
.product-image-wrapper.img-loaded::before { opacity: 0; pointer-events: none; }
.product-image-wrapper img {
    width: 100%; height: 100%; object-fit: cover;
    opacity: 0; transition: opacity 0.4s ease;
}
.product-image-wrapper img.loaded { opacity: 1; }

.product-info h1 {
    font-family: var(--font-display); font-size: 1.6rem;
    font-weight: 800; margin-bottom: 10px; line-height: 1.2;
}

.product-info .product-category-badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 12px; border-radius: var(--radius-full);
    font-size: 0.7rem; font-weight: 700; text-transform: uppercase; margin-bottom: 14px;
}

.product-info .product-price-box {
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg); padding: 16px;
    margin-bottom: 16px; display: flex; align-items: center; justify-content: space-between;
}

.product-price-large {
    font-family: var(--font-display); font-size: 2rem; font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* Variant Selector */
.variant-selector {
    margin-bottom: 16px;
}
.variant-selector .variant-label {
    font-size: 0.8rem; color: var(--text-muted); font-weight: 600;
    margin-bottom: 8px; display: block;
}
.variant-pills {
    display: flex; flex-wrap: wrap; gap: 8px;
}
.variant-pill {
    padding: 10px 18px; border-radius: var(--radius-sm);
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    color: var(--text-secondary); font-size: 0.82rem; font-weight: 600;
    cursor: pointer; transition: all var(--transition-fast);
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    min-width: 90px; text-align: center;
}
.variant-pill:hover {
    border-color: var(--accent-primary); color: var(--text-primary);
    background: rgba(0, 212, 255, 0.05);
}
.variant-pill.active {
    border-color: var(--accent-primary); color: var(--text-primary);
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.15);
}
.variant-pill .variant-pill-name {
    font-weight: 700; font-size: 0.85rem;
}
.variant-pill .variant-pill-price {
    font-family: var(--font-display); font-size: 0.75rem; font-weight: 800;
    color: var(--accent-primary);
}
.variant-pill.out-of-stock {
    opacity: 0.4; pointer-events: none;
}
.variant-pill.out-of-stock::after {
    content: 'Agotado'; font-size: 0.6rem; color: var(--accent-tertiary);
}

.product-info .description {
    color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; font-size: 0.88rem;
}

/* Product Detail Tabs */
.detail-tabs {
    display: flex; gap: 4px; border-bottom: 1px solid var(--border-color);
    margin-bottom: 14px;
}
.detail-tab {
    padding: 8px 16px; font-size: 0.8rem; font-weight: 600;
    color: var(--text-muted); background: none; border: none;
    border-bottom: 2px solid transparent; cursor: pointer;
    transition: all var(--transition-fast);
}
.detail-tab:hover { color: var(--text-secondary); }
.detail-tab.active {
    color: var(--accent-primary); border-bottom-color: var(--accent-primary);
}
.detail-tab-content { display: none; }
.detail-tab-content.active { display: block; }

/* Features List in Product */
.product-features {
    list-style: none; display: flex; flex-direction: column; gap: 8px;
}
.product-features li {
    display: flex; align-items: flex-start; gap: 8px;
    font-size: 0.82rem; color: var(--text-secondary); line-height: 1.5;
}
.product-features li i {
    color: var(--accent-success); margin-top: 2px; font-size: 0.75rem; flex-shrink: 0;
}

/* Accordion */
.accordion { border: 1px solid var(--glass-border); border-radius: var(--radius-md); overflow: hidden; margin-bottom: 12px; }
.accordion-header {
    width: 100%; padding: 12px 16px; background: var(--glass-bg);
    color: var(--text-primary); font-weight: 600; font-size: 0.85rem;
    border: none; display: flex; align-items: center; justify-content: space-between;
    cursor: pointer; transition: all var(--transition-fast);
}
.accordion-header:hover { background: var(--bg-card-hover); }
.accordion-header i.chevron { transition: transform var(--transition-normal); font-size: 0.75rem; }
.accordion-header.active i.chevron { transform: rotate(180deg); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height var(--transition-normal); background: var(--bg-card-solid); }
.accordion-body.open { max-height: 500px; }
.accordion-body-content {
    padding: 14px 16px; color: var(--text-secondary);
    line-height: 1.7; font-size: 0.82rem; white-space: pre-line;
}

/* ============================================
   Shopping Cart — Compact
   ============================================ */
.cart-section { padding: 20px 0; }
.cart-empty { text-align: center; padding: 48px 0; }
.cart-empty i { font-size: 2.5rem; color: var(--text-muted); margin-bottom: 14px; }
.cart-empty h2 { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: 8px; }
.cart-empty p { color: var(--text-secondary); margin-bottom: 20px; font-size: 0.88rem; }

.cart-layout { display: grid; grid-template-columns: 1fr 340px; gap: 20px; align-items: start; }

.cart-items { display: flex; flex-direction: column; gap: 10px; }
.cart-item {
    display: flex; gap: 14px;
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    border-radius: var(--radius-md); padding: 12px;
    transition: border-color var(--transition-normal);
}
.cart-item:hover { border-color: var(--border-accent); }
.cart-item .item-image {
    width: 80px; height: 60px; border-radius: var(--radius-sm);
    overflow: hidden; flex-shrink: 0; background: var(--bg-secondary);
}
.cart-item .item-image img { width: 100%; height: 100%; object-fit: cover; }
.cart-item .item-details { flex: 1; }
.cart-item .item-name { font-weight: 600; font-size: 0.88rem; margin-bottom: 2px; }
.cart-item .item-category { font-size: 0.7rem; color: var(--text-muted); margin-bottom: 4px; }
.cart-item .item-price {
    font-family: var(--font-display); font-weight: 700; font-size: 0.95rem; color: var(--accent-primary);
}
.cart-item .item-actions { display: flex; flex-direction: column; align-items: flex-end; justify-content: space-between; }

.quantity-control {
    display: flex; align-items: center; gap: 4px;
    background: var(--bg-input); border: 1px solid var(--border-color);
    border-radius: var(--radius-xs); padding: 1px;
}
.quantity-control button {
    width: 26px; height: 26px; display: flex; align-items: center; justify-content: center;
    background: transparent; color: var(--text-primary); border-radius: 4px; font-size: 0.8rem;
    transition: all var(--transition-fast);
}
.quantity-control button:hover { background: var(--bg-elevated); }
.quantity-control .qty-value { font-weight: 600; min-width: 20px; text-align: center; font-size: 0.82rem; }

.cart-item .remove-btn {
    background: none; color: var(--text-muted); font-size: 0.75rem;
    display: flex; align-items: center; gap: 3px; padding: 3px 6px;
    border-radius: var(--radius-xs); transition: all var(--transition-fast);
}
.cart-item .remove-btn:hover { color: var(--accent-tertiary); background: rgba(244,63,94,0.08); }

/* Cart Summary */
.cart-summary {
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl); padding: 20px;
    position: sticky; top: calc(var(--nav-height) + 12px);
}
.cart-summary h3 {
    font-family: var(--font-display); font-size: 1.05rem; font-weight: 700;
    margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; gap: 6px;
}
.summary-row { display: flex; justify-content: space-between; margin-bottom: 8px; font-size: 0.82rem; }
.summary-row .label { color: var(--text-secondary); }
.summary-row.total {
    font-weight: 700; font-size: 1.05rem;
    padding-top: 10px; border-top: 1px solid var(--border-color); margin-top: 10px;
}
.summary-row.total .value {
    font-family: var(--font-display);
    background: var(--accent-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.cart-summary .checkout-btn { width: 100%; margin-top: 14px; padding: 12px; font-size: 0.88rem; }
.cart-summary .secure-note {
    display: flex; align-items: center; justify-content: center; gap: 5px;
    margin-top: 10px; font-size: 0.72rem; color: var(--text-muted);
}

/* ============================================
   Checkout — Compact
   ============================================ */
.checkout-layout {
    display: grid; grid-template-columns: 1fr 360px;
    gap: 20px; padding: 20px 0; align-items: start;
}
.checkout-steps { display: flex; gap: 14px; margin-bottom: 20px; }
.checkout-step {
    display: flex; align-items: center; gap: 6px;
    font-weight: 500; color: var(--text-muted); font-size: 0.8rem;
}
.checkout-step .step-number {
    width: 28px; height: 28px; border-radius: 50%;
    border: 2px solid var(--border-color);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.75rem;
}
.checkout-step.active { color: var(--accent-primary); }
.checkout-step.active .step-number { border-color: var(--accent-primary); background: rgba(0,212,255,0.08); color: var(--accent-primary); }
.checkout-step.done { color: var(--accent-success); }
.checkout-step.done .step-number { border-color: var(--accent-success); background: var(--accent-success); color: #fff; }

.checkout-panel {
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl); padding: 20px;
}
.checkout-panel h2 {
    font-family: var(--font-display); font-size: 1.15rem;
    font-weight: 700; margin-bottom: 14px;
    display: flex; align-items: center; gap: 8px;
}

/* Forms */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 5px; font-size: 0.8rem; color: var(--text-secondary); }
.form-control {
    width: 100%; padding: 10px 14px;
    background: var(--bg-input); border: 1px solid var(--border-color);
    border-radius: var(--radius-sm); color: var(--text-primary); font-size: 0.88rem;
    transition: all var(--transition-fast);
}
.form-control:focus { outline: none; border-color: var(--accent-primary); box-shadow: 0 0 0 2px rgba(0,212,255,0.08); }
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { resize: vertical; min-height: 80px; }

/* Payment Info */
.payment-info {
    text-align: center; padding: 16px;
    background: var(--bg-card-solid); border-radius: var(--radius-lg); margin-bottom: 14px;
}
.payment-info .qr-code {
    display: inline-block; padding: 10px;
    background: #fff; border-radius: var(--radius-sm); margin-bottom: 10px;
}
.payment-info .wallet-address {
    display: flex; align-items: center; gap: 8px;
    background: var(--bg-input); border: 1px solid var(--border-color);
    border-radius: var(--radius-sm); padding: 10px 14px; margin-bottom: 10px;
}
.wallet-address .address-text {
    flex: 1; font-family: var(--font-mono); font-size: 0.78rem;
    color: var(--accent-primary); word-break: break-all;
}
.wallet-address .copy-btn {
    background: var(--accent-primary); color: #000; padding: 5px 10px;
    border-radius: var(--radius-xs); font-size: 0.72rem; font-weight: 700;
    cursor: pointer; transition: all var(--transition-fast); border:none; flex-shrink:0;
}
.wallet-address .copy-btn:hover { background: #fff; }

.payment-amount {
    font-family: var(--font-display); font-size: 1.8rem; font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* Verification States */
.verification-status { text-align: center; padding: 24px; }
.verification-status .status-icon { font-size: 3rem; margin-bottom: 14px; }
.verification-status.pending .status-icon { color: var(--accent-warning); animation: spin 2s linear infinite; }
.verification-status.success .status-icon { color: var(--accent-success); animation: check-bounce 0.5s ease; }
.verification-status.error .status-icon { color: var(--accent-tertiary); }
@keyframes spin { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }
@keyframes check-bounce { 0%{transform:scale(0)} 50%{transform:scale(1.2)} 100%{transform:scale(1)} }

/* Success */
.success-container { max-width: 500px; margin: 0 auto; text-align: center; padding: 48px 0; }
.success-icon {
    width: 80px; height: 80px;
    background: rgba(16,185,129,0.08); border: 2px solid var(--accent-success);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 2rem; color: var(--accent-success); margin: 0 auto 18px;
}
.sale-ref {
    font-family: var(--font-mono); font-size: 1.1rem; color: var(--accent-primary);
    background: var(--glass-bg); border: 1px solid var(--border-accent);
    padding: 8px 18px; border-radius: var(--radius-sm); display: inline-block; margin: 8px 0;
}

/* ============================================
   Footer — Compact
   ============================================ */
.footer {
    background: var(--bg-secondary); border-top: 1px solid var(--border-color);
    padding: 32px 0 16px; margin-top: 48px;
}
.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 28px; margin-bottom: 24px;
}
.footer-brand .footer-logo {
    font-family: var(--font-display); font-size: 1.1rem; font-weight: 800;
    margin-bottom: 8px; display: flex; align-items: center; gap: 6px;
}
.footer-brand p { color: var(--text-secondary); font-size: 0.78rem; line-height: 1.5; max-width: 280px; }
.footer-col h4 {
    font-family: var(--font-display); font-weight: 700; font-size: 0.85rem;
    margin-bottom: 12px; color: var(--text-primary);
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 5px; }
.footer-col ul a { color: var(--text-secondary); font-size: 0.78rem; transition: all var(--transition-fast); display: flex; align-items: center; gap: 5px; }
.footer-col ul a:hover { color: var(--accent-primary); padding-left: 3px; }

.footer-bottom {
    padding-top: 14px; border-top: 1px solid var(--border-color);
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.72rem; color: var(--text-muted);
}
.footer-bottom .payment-methods { display: flex; align-items: center; gap: 10px; }
.footer-bottom .payment-methods span {
    display: flex; align-items: center; gap: 4px;
    background: var(--glass-bg); padding: 3px 10px;
    border-radius: var(--radius-xs); font-size: 0.7rem;
}

/* ============================================
   Page Banner — Compact
   ============================================ */
.page-banner {
    padding: 18px 0; background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color); margin-bottom: 16px;
}
.page-banner h1 {
    font-family: var(--font-display); font-size: 1.3rem; font-weight: 800;
    display: flex; align-items: center; gap: 8px;
}
.page-banner .breadcrumb {
    display: flex; gap: 6px; margin-top: 4px;
    font-size: 0.75rem; color: var(--text-muted);
}
.page-banner .breadcrumb a { color: var(--text-secondary); }

/* ============================================
   Admin Panel — Compact
   ============================================ */
.admin-layout { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.admin-sidebar {
    background: var(--bg-secondary); border-right: 1px solid var(--border-color);
    padding: 18px 0; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.admin-sidebar .sidebar-logo {
    font-family: var(--font-display); font-weight: 800; font-size: 1.1rem;
    padding: 0 16px; margin-bottom: 20px; display: flex; align-items: center; gap: 6px;
}
.admin-sidebar .sidebar-logo .badge {
    font-size: 0.55rem; background: var(--accent-gradient); color: #000;
    padding: 2px 6px; border-radius: var(--radius-full); font-weight: 700;
}
.admin-nav { list-style: none; }
.admin-nav a {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 16px; color: var(--text-secondary); font-weight: 500; font-size: 0.82rem;
    transition: all var(--transition-fast); border-left: 2px solid transparent;
}
.admin-nav a:hover { background: rgba(0,212,255,0.04); color: var(--text-primary); }
.admin-nav a.active { background: rgba(0,212,255,0.06); color: var(--accent-primary); border-left-color: var(--accent-primary); }
.admin-content { padding: 20px; overflow-y: auto; }
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.admin-header h1 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; display: flex; align-items: center; gap: 8px; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat-card {
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    border-radius: var(--radius-md); padding: 14px; transition: all var(--transition-normal);
}
.stat-card:hover { border-color: var(--border-accent); box-shadow: var(--shadow-glow); }
.stat-card .stat-icon {
    width: 38px; height: 38px; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center; font-size: 1rem; margin-bottom: 8px;
}
.stat-card .stat-number { font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; margin-bottom: 2px; }
.stat-card .stat-label { font-size: 0.75rem; color: var(--text-secondary); }

/* Data Table */
.data-table {
    width: 100%; border-collapse: collapse;
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    border-radius: var(--radius-md); overflow: hidden; font-size: 0.82rem;
}
.data-table th, .data-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border-color); }
.data-table th {
    background: var(--bg-card-solid); font-weight: 600; font-size: 0.72rem;
    color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px;
}
.data-table tr:hover td { background: rgba(0,212,255,0.02); }
.status-badge { padding: 3px 8px; border-radius: var(--radius-full); font-size: 0.68rem; font-weight: 600; }
.status-badge.verified { background: rgba(16,185,129,0.12); color: var(--accent-success); }
.status-badge.pending { background: rgba(245,158,11,0.12); color: var(--accent-warning); }
.status-badge.failed { background: rgba(244,63,94,0.12); color: var(--accent-tertiary); }

/* ============================================
   Toast — Compact
   ============================================ */
.toast-container {
    position: fixed; top: calc(var(--nav-height) + 8px); right: 14px;
    z-index: 9999; display: flex; flex-direction: column; gap: 6px;
}
.toast {
    background: var(--bg-elevated); border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm); padding: 10px 14px;
    display: flex; align-items: center; gap: 8px; font-size: 0.8rem;
    box-shadow: var(--shadow-lg); animation: toast-in 0.3s ease;
    min-width: 260px;
}
.toast.success { border-left: 3px solid var(--accent-success); }
.toast.error { border-left: 3px solid var(--accent-tertiary); }
.toast.info { border-left: 3px solid var(--accent-primary); }
.toast-out { animation: toast-out 0.25s ease forwards; }

@keyframes toast-in { from{opacity:0;transform:translateX(80px)} to{opacity:1;transform:translateX(0)} }
@keyframes toast-out { to{opacity:0;transform:translateX(80px)} }

/* ============================================
   Scroll Animations
   ============================================ */
[data-animate] { opacity: 0; transform: translateY(20px); transition: all 0.5s ease; }
[data-animate].animated { opacity: 1; transform: translateY(0); }
[data-animate="fade-right"] { transform: translateX(-20px); }
[data-animate="fade-right"].animated { transform: translateX(0); }
[data-animate="fade-left"] { transform: translateX(20px); }
[data-animate="fade-left"].animated { transform: translateX(0); }

/* Loading */
.loading-spinner {
    width: 36px; height: 36px; border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary); border-radius: 50%;
    animation: spin 0.7s linear infinite; margin: 0 auto;
}

/* ============================================
   Utilities
   ============================================ */
.text-gradient { background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.text-center { text-align: center; }
.hidden { display: none !important; }
.mt-1 { margin-top: 12px; } .mt-2 { margin-top: 18px; } .mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 12px; } .mb-2 { margin-bottom: 18px; } .mb-3 { margin-bottom: 24px; }

/* ============================================
   Responsive — Mobile First Polish
   ============================================ */
@media (max-width: 1024px) {
    .product-detail { grid-template-columns: 1fr; gap: 20px; }
    .cart-layout, .checkout-layout { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
    .admin-layout { grid-template-columns: 1fr; }
    .admin-sidebar { position: relative; height: auto; }
}

@media (max-width: 768px) {
    :root { --nav-height: 52px; }
    html { font-size: 14px; }

    .nav-links {
        display: none; position: fixed; top: var(--nav-height); left: 0; right: 0;
        background: rgba(6,6,17,0.97); backdrop-filter: blur(var(--glass-blur));
        flex-direction: column; padding: 14px; gap: 4px;
        border-bottom: 1px solid var(--border-color);
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 10px 14px; font-size: 0.88rem; }
    .nav-mobile-toggle { display: flex; }

    .hero { min-height: 55vh; padding: 24px 0; }
    .hero h1 { font-size: 1.8rem; }
    .hero-stats { flex-direction: row; gap: 20px; flex-wrap: wrap; }
    .hero-stat .stat-value { font-size: 1.2rem; }

    .products-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
    .product-card .card-image { height: 110px; }
    .product-card .card-body { padding: 10px; }
    .product-card .card-title { font-size: 0.85rem; }
    .product-card .card-description { font-size: 0.72rem; -webkit-line-clamp: 1; }
    .product-card .card-price { font-size: 1rem; }
    .product-card .add-to-cart-btn { padding: 7px; font-size: 0.72rem; }

    .checkout-steps { gap: 8px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

    .cart-item { flex-direction: column; }
    .cart-item .item-image { width: 100%; height: 100px; }
    .cart-item .item-actions { flex-direction: row; align-items: center; margin-top: 8px; }

    .features-grid { grid-template-columns: 1fr 1fr; }
    .feature-card { padding: 14px; }
    .feature-card .feature-icon { width: 38px; height: 38px; font-size: 1rem; }
}

@media (max-width: 480px) {
    .container { padding: 0 14px; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .products-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .product-card .card-image { height: 100px; }
    .category-filters {
        justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap;
        padding-bottom: 6px; -webkit-overflow-scrolling: touch;
    }
    .filter-btn { white-space: nowrap; flex-shrink: 0; }
    .features-grid { grid-template-columns: 1fr; }

    .product-detail { gap: 14px; padding: 14px 0; }
    .product-info h1 { font-size: 1.3rem; }
    .product-price-large { font-size: 1.6rem; }
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all var(--transition-normal);
    text-decoration: none;
}
.whatsapp-float:hover {
    background-color: #128c7e;
    color: #fff;
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.6);
}
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 16px;
        right: 16px;
        width: 50px;
        height: 50px;
        font-size: 26px;
    }
}