/* ============================================
   KFStreaming — Ember Dark v1
   Fire Red · Molten Orange · Pure Black
   Clean · Dense · Professional · Responsive
   ============================================ */

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

/* ============================================
   Design Tokens
   ============================================ */
:root {
    /* Backgrounds — Pure Black */
    --bg-body: #050505;
    --bg-primary: #0a0a0a;
    --bg-card: #111111;
    --bg-card-hover: #1a1a1a;
    --bg-card-solid: #111111;
    --bg-elevated: #1f1f1f;
    --bg-input: #0d0d0d;
    --bg-modal: rgba(5, 5, 5, 0.96);
    --bg-surface: rgba(17, 17, 17, 0.85);

    /* Legacy aliases */
    --bg-secondary: #0d0d0d;

    /* Accents — Ember Red + Fire Orange */
    --accent-primary: #ef4444;
    --accent-primary-light: #f87171;
    --accent-primary-muted: rgba(239, 68, 68, 0.12);
    --accent-cyan: #f97316;
    --accent-blue: #fb923c;
    --accent-pink: #f43f5e;
    --accent-tertiary: #dc2626;
    --accent-success: #22c55e;
    --accent-warning: #f59e0b;
    --accent-gold: #fbbf24;

    /* Gradients — Fire */
    --gradient-primary: linear-gradient(135deg, #ef4444, #f97316);
    --gradient-card: linear-gradient(135deg, rgba(239,68,68,0.04), rgba(249,115,22,0.02));
    --gradient-hot: linear-gradient(135deg, #f43f5e, #fbbf24);
    --gradient-success: linear-gradient(135deg, #22c55e, #10b981);
    --gradient-border: linear-gradient(135deg, rgba(239,68,68,0.3), rgba(249,115,22,0.15));

    /* Text — Warm White */
    --text-primary: #fafafa;
    --text-secondary: #a3a3a3;
    --text-muted: #737373;
    --text-accent: #f87171;

    /* Borders — Subtle */
    --border-color: rgba(255, 255, 255, 0.06);
    --border-subtle: rgba(255, 255, 255, 0.04);
    --border-accent: rgba(239, 68, 68, 0.2);
    --glass-bg: rgba(17, 17, 17, 0.7);

    /* Shadows — Ember Glow */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.5);
    --shadow-md: 0 2px 12px rgba(0,0,0,0.5);
    --shadow-lg: 0 4px 24px rgba(0,0,0,0.6);
    --shadow-glow: 0 0 20px rgba(239,68,68,0.08);
    --shadow-card: 0 1px 3px rgba(0,0,0,0.3), 0 0 0 1px var(--border-color);

    /* Spacing — Compact */
    --space-xs: 6px;
    --space-sm: 10px;
    --space-md: 14px;
    --space-lg: 20px;
    --space-xl: 28px;

    /* Radii — Refined */
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Motion */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.15s var(--ease);
    --transition-normal: 0.25s var(--ease);

    /* Layout */
    --max-width: 1140px;
    --nav-height: 56px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 14px;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

a { color: var(--accent-primary-light); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--text-primary); }
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: 5px; }
::-webkit-scrollbar-track { background: var(--bg-body); }
::-webkit-scrollbar-thumb { background: rgba(239,68,68,0.2); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: rgba(239,68,68,0.4); }

/* ============================================
   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 — Slim & Clean
   ============================================ */
.navbar {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--nav-height);
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(16px) saturate(1.2);
    -webkit-backdrop-filter: blur(16px) saturate(1.2);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-normal);
}
.navbar.scrolled {
    background: rgba(5, 5, 5, 0.95);
    box-shadow: 0 1px 0 var(--border-color);
}

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

.nav-logo {
    display: flex; align-items: center; gap: 8px;
    font-size: 1.1rem; font-weight: 800;
    color: var(--text-primary); text-decoration: none;
    letter-spacing: -0.02em;
}
.nav-logo:hover { color: var(--text-primary); }
.nav-logo span.accent { color: var(--accent-primary-light); }

.nav-links { display: flex; align-items: center; gap: 1px; list-style: none; }
.nav-links a {
    color: var(--text-muted); font-weight: 500; font-size: 0.86rem;
    padding: 6px 12px; border-radius: var(--radius-sm);
    transition: all var(--transition-fast); display: flex; align-items: center; gap: 5px;
}
.nav-links a i { font-size: 0.72rem; }
.nav-links a:hover { color: var(--text-primary); background: var(--accent-primary-muted); }
.nav-links a.active { color: var(--accent-primary-light); background: var(--accent-primary-muted); }

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

.nav-cart {
    position: relative; display: flex; align-items: center; gap: 6px;
    background: var(--accent-primary-muted);
    border: 1px solid rgba(239,68,68,0.15);
    padding: 7px 14px; border-radius: var(--radius-full);
    color: var(--text-primary); font-weight: 600; font-size: 0.82rem;
    cursor: pointer; transition: all var(--transition-fast);
    text-decoration: none;
}
.nav-cart:hover {
    border-color: var(--accent-primary); background: rgba(239,68,68,0.18);
    color: var(--text-primary);
}
.nav-cart .cart-count {
    position: absolute; top: -5px; right: -5px;
    background: var(--accent-tertiary); color: #fff;
    font-size: 0.6rem; font-weight: 700; width: 16px; height: 16px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    border: 2px solid var(--bg-body);
}
.nav-cart .cart-count.hidden { display: none; }

.nav-mobile-toggle {
    display: none; flex-direction: column; gap: 4px;
    background: none; padding: 6px;
}
.nav-mobile-toggle span {
    width: 18px; height: 1.5px; background: var(--text-primary);
    border-radius: var(--radius-full); transition: all var(--transition-normal);
}

/* ============================================
   Hero — Impactful but Compact
   ============================================ */
.hero {
    position: relative; min-height: 65vh;
    display: flex; align-items: center; overflow: hidden;
    padding: 48px 0 32px;
    border-bottom: 1px solid var(--border-color);
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg::before {
    content: ''; position: absolute; top: -20%; left: -5%;
    width: 50%; height: 60%;
    background: radial-gradient(circle, rgba(239,68,68,0.08) 0%, transparent 60%);
    animation: float-glow 14s ease-in-out infinite;
    filter: blur(40px);
}
.hero-bg::after {
    content: ''; position: absolute; bottom: -10%; right: -5%;
    width: 35%; height: 45%;
    background: radial-gradient(circle, rgba(249,115,22,0.05) 0%, transparent 60%);
    animation: float-glow 16s ease-in-out infinite reverse;
    filter: blur(40px);
}
@keyframes float-glow {
    0%,100%{transform:translate(0,0) scale(1)} 33%{transform:translate(20px,-15px) scale(1.05)} 66%{transform:translate(-15px,12px) scale(0.97)}
}

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

.hero-content { position: relative; z-index: 2; max-width: 580px; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--accent-primary-muted);
    border: 1px solid rgba(239,68,68,0.15);
    padding: 5px 14px; border-radius: var(--radius-full);
    font-size: 0.72rem; color: var(--accent-primary-light); font-weight: 600;
    margin-bottom: 18px; animation: fade-in-up 0.5s ease forwards;
    letter-spacing: 0.02em;
}

.hero h1 {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 800; line-height: 1.1; margin-bottom: 14px;
    animation: fade-in-up 0.6s ease 0.1s forwards; opacity: 0;
    letter-spacing: -0.03em;
}
.hero h1 .gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero p {
    font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7;
    margin-bottom: 24px; max-width: 440px;
    animation: fade-in-up 0.6s ease 0.2s forwards; opacity: 0;
}

.hero-actions {
    display: flex; gap: 10px; flex-wrap: wrap;
    animation: fade-in-up 0.6s ease 0.3s forwards; opacity: 0;
}

.hero-stats {
    display: flex; gap: 36px; margin-top: 36px;
    animation: fade-in-up 0.6s ease 0.4s forwards; opacity: 0;
}
.hero-stat { position: relative; }
.hero-stat + .hero-stat::before {
    content: ''; position: absolute; left: -18px; top: 50%; transform: translateY(-50%);
    width: 1px; height: 28px;
    background: var(--border-color);
}
.hero-stat .stat-value {
    font-size: 1.5rem; font-weight: 800;
    color: var(--accent-primary-light);
}
.hero-stat .stat-label { font-size: 0.72rem; color: var(--text-muted); margin-top: 1px; font-weight: 500; }

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

/* ============================================
   Buttons — Compact & Clean
   ============================================ */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 18px; border-radius: var(--radius-sm);
    font-weight: 600; font-size: 0.82rem;
    transition: all var(--transition-fast);
    border: none; cursor: pointer; text-decoration: none;
}
.btn-primary {
    background: var(--accent-primary); color: #fff;
}
.btn-primary:hover {
    background: #dc2626; transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239,68,68,0.25);
    color: #fff;
}
.btn-secondary {
    background: transparent; color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    border-color: var(--accent-primary); background: var(--accent-primary-muted);
    color: var(--text-primary);
}
.btn-accent { background: var(--accent-primary); color: #fff; }
.btn-danger { background: var(--accent-tertiary); color: #fff; }
.btn-sm { padding: 5px 12px; font-size: 0.75rem; }
.btn-lg { padding: 10px 22px; font-size: 0.86rem; border-radius: var(--radius-md); }
.btn:disabled { opacity: 0.4; 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: var(--accent-primary-muted);
    padding: 4px 12px; border-radius: var(--radius-full);
    font-size: 0.68rem; color: var(--accent-primary-light); font-weight: 600;
    text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 10px;
}
.section-header h2 {
    font-size: clamp(1.4rem, 3vw, 1.9rem);
    font-weight: 800; margin-bottom: 8px; letter-spacing: -0.02em;
}
.section-header p { color: var(--text-secondary); max-width: 440px; margin: 0 auto; font-size: 0.88rem; }

/* ============================================
   Category Filters
   ============================================ */
.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: transparent; border: 1px solid var(--border-color);
    color: var(--text-muted); font-weight: 500; font-size: 0.8rem;
    cursor: pointer; transition: all var(--transition-fast);
    display: flex; align-items: center; gap: 5px;
}
.filter-btn:hover {
    border-color: var(--accent-primary); color: var(--text-primary);
    background: var(--accent-primary-muted);
}
.filter-btn.active {
    background: var(--accent-primary); color: #fff;
    border-color: var(--accent-primary); font-weight: 600;
}

/* ============================================
   Catalog Toolbar — Search + Filters
   ============================================ */
.catalog-toolbar {
    display: flex; align-items: center; justify-content: space-between;
    gap: 14px; margin-bottom: 24px; flex-wrap: wrap;
}
.catalog-toolbar .category-filters {
    margin-bottom: 0;
}

/* Search Box */
.search-box {
    position: relative; flex: 1; max-width: 340px; min-width: 200px;
}
.search-box .search-icon {
    position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
    color: var(--text-muted); font-size: 0.78rem; pointer-events: none;
    transition: color var(--transition-fast);
}
.search-box input {
    width: 100%; padding: 8px 34px 8px 34px;
    background: var(--bg-input); border: 1px solid var(--border-color);
    border-radius: var(--radius-full); color: var(--text-primary);
    font-size: 0.84rem; font-family: var(--font-primary);
    transition: all var(--transition-fast);
    outline: none;
}
.search-box input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(239,68,68,0.1);
}
.search-box input:focus + .search-icon,
.search-box input:focus ~ .search-icon { color: var(--accent-primary-light); }
.search-box input::placeholder { color: var(--text-muted); }

.search-clear {
    position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
    background: var(--bg-elevated); color: var(--text-muted);
    border: none; border-radius: 50%; width: 22px; height: 22px;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.62rem; cursor: pointer; transition: all var(--transition-fast);
}
.search-clear:hover { color: var(--text-primary); background: var(--accent-primary-muted); }

/* No Results */
.search-no-results {
    text-align: center; padding: 48px 20px;
    color: var(--text-muted);
}
.search-no-results i {
    font-size: 2rem; margin-bottom: 10px; display: block; opacity: 0.4;
}
.search-no-results p { font-size: 0.88rem; }
.search-no-results span { color: var(--accent-primary-light); font-weight: 600; }

/* ============================================
   Product Cards — Compact & Dense
   ============================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); overflow: hidden;
    transition: all var(--transition-normal);
    display: flex; flex-direction: column;
}
.product-card::before { display: none; }
.product-card:hover {
    transform: translateY(-4px);
    border-color: rgba(239,68,68,0.2);
    box-shadow: 0 8px 24px rgba(0,0,0,0.25), var(--shadow-glow);
}

.product-card .card-image {
    position: relative; height: 160px; overflow: hidden;
    background: var(--bg-primary);
}
.product-card .card-image img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.5s var(--ease), opacity 0.3s ease;
    opacity: 0;
}
.product-card .card-image img.loaded { opacity: 1; }
.product-card:hover .card-image img.loaded { transform: scale(1.05); }

.product-card .card-image::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0;
    height: 40%; z-index: 1;
    background: linear-gradient(to top, var(--bg-card), transparent);
    pointer-events: none;
}

.card-image::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(110deg, var(--bg-primary) 8%, var(--bg-elevated) 18%, var(--bg-primary) 33%);
    background-size: 200% 100%; animation: shimmer 1.5s linear infinite;
    z-index: 2; 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: 0.62rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.5px; z-index: 3;
    backdrop-filter: blur(8px);
}
.card-badge.games { background: rgba(236,72,153,0.85); color: #fff; }
.card-badge.streaming { background: rgba(239,68,68,0.85); color: #fff; }
.card-badge.software { background: rgba(59,130,246,0.85); color: #fff; }
.card-badge.other { background: rgba(245,158,11,0.85); color: #fff; }

.product-card .card-body { padding: 14px 14px 16px; flex: 1; display: flex; flex-direction: column; }
.product-card .card-title {
    font-size: 0.92rem; font-weight: 700; margin-bottom: 4px;
    color: var(--text-primary); line-height: 1.3; letter-spacing: -0.01em;
    overflow: hidden; text-overflow: ellipsis;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.product-card .card-description {
    font-size: 0.76rem; color: var(--text-muted); line-height: 1.5;
    margin-bottom: 12px; display: -webkit-box;
    -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    flex: 1;
}

.product-card .card-price-prefix {
    font-size: 0.64rem; font-weight: 500; color: var(--text-muted);
    display: block; line-height: 1;
}

.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-size: 1.15rem; font-weight: 800;
    color: var(--accent-primary-light);
}
.product-card .card-price .currency { font-size: 0.72rem; font-weight: 600; }
.product-card .card-stock {
    font-size: 0.68rem; color: var(--accent-success);
    display: flex; align-items: center; gap: 4px;
}
.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: 12px; padding: 8px;
    border-radius: var(--radius-sm); background: var(--accent-primary);
    color: #fff; font-weight: 600; font-size: 0.78rem;
    border: none; cursor: pointer; transition: all var(--transition-fast);
    display: flex; align-items: center; justify-content: center; gap: 5px;
}
.product-card .add-to-cart-btn:hover {
    background: #dc2626;
    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(1.05)} }

/* ============================================
   Features — Bento
   ============================================ */
.features-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px;
}
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); padding: 22px; text-align: center;
    transition: all var(--transition-fast);
    position: relative; overflow: hidden;
}
.feature-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--gradient-primary); opacity: 0;
    transition: opacity var(--transition-fast);
}
.feature-card:hover {
    transform: translateY(-2px);
    border-color: rgba(239,68,68,0.15);
    box-shadow: var(--shadow-glow);
}
.feature-card:hover::before { opacity: 1; }
.feature-card .feature-icon {
    width: 44px; height: 44px; margin: 0 auto 12px;
    background: var(--gradient-primary); border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; color: #fff;
}
.feature-card h3 { font-size: 0.88rem; font-weight: 700; margin-bottom: 6px; }
.feature-card p { color: var(--text-muted); font-size: 0.78rem; line-height: 1.55; }

/* ============================================
   Product Detail — Efficient Layout
   ============================================ */
.product-detail {
    display: grid; grid-template-columns: 1.2fr 1fr;
    gap: 36px; padding: 28px 0;
    align-items: start;
}

.product-image-wrapper {
    position: relative; border-radius: var(--radius-lg); overflow: hidden;
    background: var(--bg-card); border: 1px solid var(--border-color);
    aspect-ratio: 16/10;
    position: sticky; top: calc(var(--nav-height) + 16px);
}
.product-image-wrapper::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(110deg, var(--bg-primary) 8%, var(--bg-elevated) 18%, var(--bg-primary) 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 { max-width: 100%; }

.product-info h1 {
    font-size: 1.6rem; font-weight: 800; margin-bottom: 10px;
    line-height: 1.15; letter-spacing: -0.02em;
}

.product-info .product-category-badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 12px; border-radius: var(--radius-full);
    font-size: 0.68rem; font-weight: 700; text-transform: uppercase; margin-bottom: 14px;
}

/* Price Box — Compact */
.product-info .product-price-box {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); padding: 16px 18px;
    margin-bottom: 16px; display: flex; align-items: center; justify-content: space-between;
    position: relative; overflow: hidden;
}
.product-info .product-price-box::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--gradient-primary);
}

.product-price-large {
    font-size: 2rem; font-weight: 900;
    color: var(--accent-primary-light);
}

/* Variant Selector */
.variant-selector {
    margin-bottom: 16px;
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); padding: 14px;
}
.variant-selector .variant-label {
    font-size: 0.78rem; color: var(--text-secondary); font-weight: 600;
    margin-bottom: 10px; display: flex; align-items: center; gap: 6px;
}
.variant-selector .variant-label::before {
    content: ''; width: 2px; height: 14px;
    background: var(--accent-primary); border-radius: 1px;
}
.variant-pills {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
}
.variant-pill {
    padding: 10px 8px; border-radius: var(--radius-sm);
    background: transparent; border: 1px solid var(--border-color);
    color: var(--text-secondary); font-size: 0.78rem; font-weight: 600;
    cursor: pointer; transition: all var(--transition-fast);
    display: flex; flex-direction: column; align-items: center; gap: 3px;
    text-align: center;
}
.variant-pill:hover {
    border-color: var(--accent-primary); color: var(--text-primary);
    background: var(--accent-primary-muted);
}
.variant-pill.active {
    border-color: var(--accent-primary); color: #fff;
    background: var(--accent-primary-muted);
    box-shadow: 0 0 0 1px var(--accent-primary);
}
.variant-pill .variant-pill-name { font-weight: 700; font-size: 0.8rem; line-height: 1.3; }
.variant-pill .variant-pill-price {
    font-size: 0.74rem; font-weight: 700;
    color: var(--accent-primary-light);
}
.variant-pill.out-of-stock { opacity: 0.3; pointer-events: none; }
.variant-pill.out-of-stock::after { content: 'Agotado'; font-size: 0.58rem; color: var(--accent-tertiary); }

.product-info .description {
    color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; font-size: 0.86rem;
}

/* Detail Tabs */
.detail-tabs {
    display: flex; gap: 0; border-bottom: 1px solid var(--border-color);
    margin-bottom: 14px;
}
.detail-tab {
    padding: 9px 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); white-space: nowrap;
}
.detail-tab:hover { color: var(--text-secondary); }
.detail-tab.active {
    color: var(--accent-primary-light);
    border-bottom-color: var(--accent-primary);
}
.detail-tab-content { display: none; }
.detail-tab-content.active { display: block; }

.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: 0.72rem; flex-shrink: 0;
}

/* Accordion */
.accordion {
    border: 1px solid var(--border-color); border-radius: var(--radius-md);
    overflow: hidden; margin-bottom: 10px;
}
.accordion-header {
    width: 100%; padding: 10px 14px; background: var(--bg-card);
    color: var(--text-primary); font-weight: 600; font-size: 0.82rem;
    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: 0.72rem; }
.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); }
.accordion-body.open { max-height: 500px; }
.accordion-body-content { padding: 12px 14px; 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: 56px 20px; }
.cart-empty i { font-size: 2.8rem; color: var(--text-muted); margin-bottom: 14px; display: block; opacity: 0.5; }
.cart-empty h2 { font-size: 1.3rem; margin-bottom: 8px; font-weight: 700; }
.cart-empty p { color: var(--text-secondary); margin-bottom: 20px; font-size: 0.88rem; }

.cart-layout { display: grid; grid-template-columns: 1fr 320px; gap: 24px; align-items: start; }

.cart-items { display: flex; flex-direction: column; gap: 10px; }
.cart-item {
    display: flex; gap: 14px;
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); padding: 12px;
    transition: all var(--transition-fast);
}
.cart-item:hover { border-color: rgba(239,68,68,0.15); }
.cart-item .item-image {
    width: 72px; height: 54px; border-radius: var(--radius-sm);
    overflow: hidden; flex-shrink: 0; background: var(--bg-primary);
}
.cart-item .item-image img { width: 100%; height: 100%; object-fit: cover; }
.cart-item .item-details { flex: 1; min-width: 0; }
.cart-item .item-name { font-weight: 600; font-size: 0.86rem; margin-bottom: 2px; }
.cart-item .item-category { font-size: 0.7rem; color: var(--text-muted); margin-bottom: 4px; }
.cart-item .item-price {
    font-weight: 700; font-size: 0.92rem; color: var(--accent-primary-light);
}
.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: 2px;
    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: 0.76rem;
    transition: all var(--transition-fast);
}
.quantity-control button:hover { background: var(--accent-primary-muted); }
.quantity-control .qty-value { font-weight: 600; min-width: 22px; text-align: center; font-size: 0.82rem; }

.cart-item .remove-btn {
    background: none; color: var(--text-muted); font-size: 0.72rem;
    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(239,68,68,0.06); }

/* Cart Summary — Compact Sidebar */
.cart-summary {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); padding: 20px;
    position: sticky; top: calc(var(--nav-height) + 12px);
}
.cart-summary h3 {
    font-size: 1rem; 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: 1.02rem;
    padding-top: 10px; border-top: 1px solid var(--border-color); margin-top: 8px;
}
.summary-row.total .value { color: var(--accent-primary-light); }
.cart-summary .checkout-btn { width: 100%; margin-top: 14px; padding: 10px; font-size: 0.86rem; justify-content: center; }
.cart-summary .secure-note {
    display: flex; align-items: center; justify-content: center; gap: 5px;
    margin-top: 10px; font-size: 0.7rem; color: var(--text-muted);
}

/* ============================================
   Checkout — Professional 2-Column Payment Flow
   QR alongside seller info, compact and organized
   ============================================ */
.checkout-layout {
    display: grid; grid-template-columns: 1fr 300px;
    gap: 20px; padding: 20px 0; align-items: start;
}
.checkout-steps {
    display: flex; gap: 4px; margin-bottom: 20px;
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-full); padding: 4px 6px;
    width: fit-content;
}
.checkout-step {
    display: flex; align-items: center; gap: 6px;
    font-weight: 500; color: var(--text-muted); font-size: 0.76rem;
    padding: 6px 12px; border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}
.checkout-step .step-number {
    width: 22px; height: 22px; border-radius: 50%;
    border: 1.5px solid var(--border-color);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.68rem;
    transition: all var(--transition-fast);
}
.checkout-step.active {
    color: var(--accent-primary-light);
    background: var(--accent-primary-muted);
}
.checkout-step.active .step-number {
    border-color: var(--accent-primary); background: var(--accent-primary-muted);
    color: var(--accent-primary-light);
}
.checkout-step.done { color: var(--accent-success); }
.checkout-step.done .step-number {
    border-color: var(--accent-success); background: var(--accent-success); color: #fff;
}

/* Checkout Panels */
.checkout-panel {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); padding: 20px;
}
.checkout-panel h2 {
    font-size: 1.05rem; font-weight: 700; margin-bottom: 6px;
    display: flex; align-items: center; gap: 8px;
}
.checkout-panel > p {
    color: var(--text-secondary); font-size: 0.82rem;
    margin-bottom: var(--space-lg); line-height: 1.55;
}

/* Step 1 — Email */
.form-group { margin-bottom: 14px; }
.form-group label {
    display: block; font-weight: 600; margin-bottom: 5px;
    font-size: 0.78rem; color: var(--text-secondary);
}
.form-control {
    width: 100%; padding: 9px 14px;
    background: var(--bg-input); border: 1px solid var(--border-color);
    border-radius: var(--radius-sm); color: var(--text-primary); font-size: 0.86rem;
    transition: all var(--transition-fast);
}
.form-control:focus {
    outline: none; border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(239,68,68,0.1);
}
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { resize: vertical; min-height: 72px; }

/* ── Step 2 — Payment (New Professional Layout) ── */

/* Header */
.checkout-pay-header { margin-bottom: 16px; }
.checkout-pay-header h2 { margin-bottom: 4px; }
.checkout-pay-header p {
    color: var(--text-secondary); font-size: 0.82rem; margin: 0; line-height: 1.5;
}

/* Amount Strip — Horizontal bar, not a big centered box */
.pay-amount-strip {
    display: flex; align-items: center; justify-content: space-between;
    background: linear-gradient(135deg, rgba(245,158,11,0.06), rgba(239,68,68,0.03));
    border: 1px solid rgba(245,158,11,0.1);
    border-radius: var(--radius-md);
    padding: 12px 18px;
    margin-bottom: 16px;
}
.pay-amount-left {
    display: flex; align-items: center; gap: 14px;
}
.pay-amount-label {
    font-size: 0.72rem; font-weight: 600; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.5px;
}
.pay-amount-value {
    font-size: 1.8rem; font-weight: 900;
    color: var(--accent-primary-light);
    line-height: 1;
    letter-spacing: -0.02em;
}
.pay-amount-badge {
    display: flex; align-items: center; gap: 5px;
    background: rgba(245,158,11,0.1);
    color: var(--accent-warning);
    font-size: 0.7rem; font-weight: 700;
    padding: 5px 12px; border-radius: var(--radius-full);
    text-transform: uppercase; letter-spacing: 0.3px;
}

/* 2-Column Grid: Seller Details + QR */
.pay-grid {
    display: grid;
    grid-template-columns: 1fr 200px;
    gap: 16px;
    margin-bottom: 16px;
}

/* Left Column — Seller Details */
.pay-details {
    display: flex; flex-direction: column; gap: 10px;
}
.pay-section-label {
    font-size: 0.72rem; font-weight: 700; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.8px;
    display: flex; align-items: center; gap: 6px;
    margin-bottom: 2px;
}
.pay-section-label i { color: var(--accent-primary-light); font-size: 0.8rem; }

/* Pay Fields — Compact rows */
.pay-field {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
}
.pay-field-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 4px;
}
.pay-field-label {
    font-size: 0.66rem; font-weight: 600; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.3px;
}
.pay-copy-btn {
    background: var(--accent-primary); color: #fff;
    padding: 3px 10px; border-radius: var(--radius-xs);
    font-size: 0.66rem; font-weight: 700;
    cursor: pointer; transition: all var(--transition-fast);
    border: none; display: flex; align-items: center; gap: 4px;
}
.pay-copy-btn:hover { background: #dc2626; }
.pay-field-value {
    font-family: var(--font-mono);
    font-size: 0.86rem; font-weight: 600;
    color: var(--accent-primary-light);
    word-break: break-all; display: block;
    background: none;
}
.pay-field-value.pay-field-success { color: var(--accent-success); }

/* Instructions — Compact inside left column */
.pay-steps {
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
}
.pay-steps-list {
    list-style: none; counter-reset: step;
    display: flex; flex-direction: column; gap: 4px;
    margin: 0; padding: 0;
}
.pay-steps-list li {
    counter-increment: step;
    font-size: 0.78rem; color: var(--text-secondary);
    padding: 4px 0 4px 24px; position: relative;
    line-height: 1.5;
}
.pay-steps-list li::before {
    content: counter(step);
    position: absolute; left: 0; top: 4px;
    width: 18px; height: 18px;
    background: var(--accent-primary-muted);
    color: var(--accent-primary-light);
    border-radius: 50%; font-size: 0.62rem; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}

/* Right Column — QR + Warning */
.pay-qr-side {
    display: flex; flex-direction: column; gap: 12px;
    align-items: center;
}

.pay-qr-container {
    display: flex; flex-direction: column; align-items: center;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    width: 100%;
}
.pay-qr-frame {
    background: #fff;
    border-radius: var(--radius-sm);
    padding: 10px;
    margin-bottom: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.pay-qr-frame img {
    display: block;
    border-radius: 4px;
}
.pay-qr-label {
    font-size: 0.68rem; color: var(--text-muted); font-weight: 500;
    text-align: center;
}

/* Warning Box — Compact, right column */
.pay-warning-box {
    background: rgba(239,68,68,0.03);
    border: 1px solid rgba(239,68,68,0.08);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    width: 100%;
}
.pay-warning-title {
    font-size: 0.7rem; font-weight: 700; color: var(--accent-tertiary);
    margin-bottom: 6px;
    display: flex; align-items: center; gap: 5px;
}
.pay-warning-box ul {
    list-style: none; padding: 0; margin: 0;
    display: flex; flex-direction: column; gap: 3px;
}
.pay-warning-box ul li {
    font-size: 0.7rem; color: var(--text-secondary); line-height: 1.45;
    padding-left: 12px; position: relative;
}
.pay-warning-box ul li::before {
    content: '•'; position: absolute; left: 0;
    color: var(--accent-tertiary); font-weight: 700;
}

/* Bottom Section — Transaction Input + Buttons */
.pay-verify-section {
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}
.pay-txid-row { margin-bottom: 14px; }
.pay-txid-input-wrap label {
    display: block; font-weight: 600; font-size: 0.78rem;
    color: var(--text-secondary); margin-bottom: 6px;
    display: flex; align-items: center; gap: 6px;
}
.pay-txid-input-wrap label i { color: var(--accent-primary-light); }
.pay-txid-input-wrap small {
    color: var(--text-muted); font-size: 0.7rem;
    margin-top: 4px; display: block;
}

.pay-action-row {
    display: flex; gap: 10px; align-items: stretch;
}
.pay-action-row .btn-secondary {
    flex-shrink: 0;
}
.pay-verify-btn {
    flex: 1; justify-content: center;
}

/* Legacy payment-info support */
.payment-info {
    text-align: center; padding: 18px;
    background: var(--bg-primary);
    border: 1px solid rgba(245,158,11,0.1);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}
.payment-info .payment-amount {
    font-size: 2.2rem; font-weight: 900;
    color: var(--accent-primary-light);
    margin: 8px 0 4px; line-height: 1;
}
.wallet-address {
    display: flex; align-items: center; gap: 10px;
    background: var(--bg-input); border: 1px solid var(--border-color);
    border-radius: var(--radius-sm); padding: 10px 14px;
    margin-bottom: 10px; text-align: left;
}
.wallet-address .address-text {
    flex: 1; font-family: var(--font-mono); font-size: 0.78rem;
    color: var(--accent-primary-light); word-break: break-all; line-height: 1.4;
}
.wallet-address .copy-btn {
    background: var(--accent-primary); color: #fff; padding: 6px 12px;
    border-radius: var(--radius-xs); font-size: 0.72rem; font-weight: 700;
    cursor: pointer; transition: all var(--transition-fast); border: none;
    flex-shrink: 0; white-space: nowrap;
}
.wallet-address .copy-btn:hover { background: #dc2626; }
.payment-info .qr-code {
    display: inline-block; padding: 12px;
    background: #fff; border-radius: var(--radius-md); margin-top: 6px;
}

/* Checkout Instructions */
.checkout-instructions {
    background: rgba(245,158,11,0.03);
    border: 1px solid rgba(245,158,11,0.1);
    border-radius: var(--radius-md);
    padding: 14px 18px; margin-bottom: 16px;
}
.checkout-instructions h3 {
    color: var(--accent-warning); font-size: 0.88rem; font-weight: 700;
    margin-bottom: 10px; display: flex; align-items: center; gap: 6px;
}
.checkout-instructions ol {
    color: var(--text-secondary); font-size: 0.82rem;
    line-height: 1.9; padding-left: 20px; margin: 0;
}
.checkout-warning {
    background: rgba(239,68,68,0.03);
    border: 1px solid rgba(239,68,68,0.08);
    border-radius: var(--radius-md);
    padding: 12px 16px; margin-bottom: 16px;
}
.checkout-warning p {
    color: var(--accent-tertiary); font-weight: 600; font-size: 0.82rem;
    margin-bottom: 6px; display: flex; align-items: center; gap: 6px;
}
.checkout-warning ul {
    color: var(--text-secondary); font-size: 0.78rem;
    list-style: disc; padding-left: 20px; line-height: 1.8;
}
.checkout-txid-section {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px; margin-bottom: 16px;
}

/* Verification States — Compact */
.verification-status { text-align: center; padding: 36px 20px; }
.verification-status .status-icon { font-size: 3.2rem; margin-bottom: 14px; display: block; }
.verification-status h2 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.verification-status p { color: var(--text-secondary); font-size: 0.86rem; line-height: 1.55; }
.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: 480px; margin: 0 auto; text-align: center; padding: 48px 20px; }
.success-icon {
    width: 72px; height: 72px;
    background: rgba(34,197,94,0.06);
    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 20px;
}
.sale-ref {
    font-family: var(--font-mono); font-size: 1rem; color: var(--accent-primary-light);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 8px 20px; border-radius: var(--radius-sm); display: inline-block; margin: 8px 0;
}

/* ============================================
   Footer — Clean
   ============================================ */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 36px 0 18px; margin-top: 48px;
}
.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 28px; margin-bottom: 24px;
}
.footer-brand .footer-logo {
    font-size: 1.1rem; font-weight: 800;
    margin-bottom: 10px; display: flex; align-items: center; gap: 8px;
}
.footer-brand p { color: var(--text-muted); font-size: 0.78rem; line-height: 1.65; max-width: 280px; }
.footer-col h4 {
    font-weight: 700; font-size: 0.82rem;
    margin-bottom: 12px; color: var(--text-primary);
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col ul a {
    color: var(--text-muted); font-size: 0.78rem;
    transition: all var(--transition-fast);
    display: flex; align-items: center; gap: 6px;
}
.footer-col ul a:hover { color: var(--accent-primary-light); 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: 5px;
    background: var(--bg-card); padding: 4px 10px;
    border-radius: var(--radius-xs); font-size: 0.7rem;
    border: 1px solid var(--border-color);
}

/* ============================================
   Page Banner
   ============================================ */
.page-banner {
    padding: 18px 0; background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color); margin-bottom: 20px;
}
.page-banner h1 {
    font-size: 1.2rem; font-weight: 800;
    display: flex; align-items: center; gap: 10px;
}
.page-banner .breadcrumb {
    display: flex; gap: 6px; margin-top: 5px;
    font-size: 0.72rem; color: var(--text-muted);
}
.page-banner .breadcrumb a { color: var(--text-secondary); }

/* ============================================
   Admin Panel
   ============================================ */
.admin-layout { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.admin-sidebar {
    background: var(--bg-primary); border-right: 1px solid var(--border-color);
    padding: 20px 0; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.admin-sidebar .sidebar-logo {
    font-weight: 800; font-size: 1.1rem;
    padding: 0 16px; margin-bottom: 24px; display: flex; align-items: center; gap: 8px;
}
.admin-sidebar .sidebar-logo .badge {
    font-size: 0.52rem; background: var(--accent-primary); color: #fff;
    padding: 2px 8px; 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-muted); font-weight: 500; font-size: 0.82rem;
    transition: all var(--transition-fast); border-left: 2px solid transparent;
}
.admin-nav a:hover { background: var(--accent-primary-muted); color: var(--text-primary); }
.admin-nav a.active { background: var(--accent-primary-muted); color: var(--accent-primary-light); border-left-color: var(--accent-primary); }
.admin-content { padding: 24px; overflow-y: auto; }
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.admin-header h1 { 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: 20px; }
.stat-card {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); padding: 16px; transition: all var(--transition-fast);
}
.stat-card:hover { border-color: rgba(239,68,68,0.15); }
.stat-card .stat-icon {
    width: 36px; height: 36px; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center; font-size: 1rem; margin-bottom: 10px;
}
.stat-card .stat-number { font-size: 1.4rem; font-weight: 800; margin-bottom: 2px; }
.stat-card .stat-label { font-size: 0.72rem; color: var(--text-muted); }

/* Data Table */
.data-table {
    width: 100%; border-collapse: collapse;
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); overflow: hidden; font-size: 0.82rem;
}
.data-table th, .data-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border-color); }
.data-table th {
    background: var(--bg-primary); font-weight: 600; font-size: 0.7rem;
    color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px;
}
.data-table tr:hover td { background: rgba(239,68,68,0.02); }
.status-badge { padding: 3px 10px; border-radius: var(--radius-full); font-size: 0.68rem; font-weight: 600; }
.status-badge.verified { background: rgba(34,197,94,0.1); color: var(--accent-success); }
.status-badge.pending { background: rgba(245,158,11,0.1); color: var(--accent-warning); }
.status-badge.failed { background: rgba(239,68,68,0.1); color: var(--accent-tertiary); }

/* ============================================
   Toast
   ============================================ */
.toast-container {
    position: fixed; top: calc(var(--nav-height) + 8px); right: 14px;
    z-index: 9999; display: flex; flex-direction: column; gap: 8px;
}
.toast {
    background: var(--bg-elevated); border: 1px solid var(--border-color);
    border-radius: var(--radius-sm); padding: 10px 16px;
    display: flex; align-items: center; gap: 8px; font-size: 0.82rem;
    box-shadow: var(--shadow-lg); animation: toast-in 0.25s var(--ease);
    min-width: 280px; backdrop-filter: blur(12px);
}
.toast.success { border-left: 2px solid var(--accent-success); }
.toast.error { border-left: 2px solid var(--accent-tertiary); }
.toast.info { border-left: 2px solid var(--accent-primary); }
.toast.warning { border-left: 2px solid var(--accent-warning); }
.toast-out { animation: toast-out 0.2s ease forwards; }

@keyframes toast-in { from{opacity:0;transform:translateX(60px)} to{opacity:1;transform:translateX(0)} }
@keyframes toast-out { to{opacity:0;transform:translateX(60px)} }

/* ============================================
   Scroll Animations
   ============================================ */
[data-animate] { opacity: 0; transform: translateY(20px); transition: all 0.5s var(--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: 32px; height: 32px; border: 2px 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(--gradient-primary); -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; }

/* ============================================
   WhatsApp
   ============================================ */
.whatsapp-float {
    position: fixed; bottom: 20px; right: 20px;
    width: 50px; height: 50px;
    background: #25d366; color: #fff; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; z-index: 1000;
    transition: all var(--transition-fast);
    text-decoration: none;
    box-shadow: 0 3px 12px rgba(37,211,102,0.3);
}
.whatsapp-float:hover {
    color: #fff; transform: scale(1.08) translateY(-2px);
    box-shadow: 0 6px 20px rgba(37,211,102,0.4);
}
.whatsapp-float::before {
    content: ''; position: absolute; inset: -4px;
    border-radius: 50%;
    background: rgba(37,211,102,0.15);
    animation: whatsapp-ping 2s ease-out infinite;
    z-index: -1;
}
@keyframes whatsapp-ping {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.5); opacity: 0; }
}

/* ============================================
   Responsive — Tablet (1024px)
   ============================================ */
@media (max-width: 1024px) {
    .product-detail { grid-template-columns: 1fr; gap: 24px; }
    .cart-layout { grid-template-columns: 1fr; }
    .checkout-layout { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .admin-layout { grid-template-columns: 1fr; }
    .admin-sidebar { position: relative; height: auto; }
}

/* ============================================
   Responsive — Mobile (768px)
   ============================================ */
@media (max-width: 768px) {
    :root { --nav-height: 50px; }
    html { font-size: 13.5px; }
    .container { padding: 0 16px; }

    /* Nav Mobile */
    .nav-links {
        display: none; position: fixed; top: var(--nav-height); left: 0; right: 0;
        background: rgba(11, 15, 25, 0.98); backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column; padding: 12px; gap: 2px;
        border-bottom: 1px solid var(--border-color);
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 12px 14px; font-size: 0.88rem; border-radius: var(--radius-sm); }
    .nav-links a.active { background: var(--accent-primary-muted); }
    .nav-mobile-toggle { display: flex; }

    /* Hero */
    .hero { min-height: auto; padding: 32px 0 24px; }
    .hero h1 { font-size: 1.8rem; }
    .hero p { font-size: 0.88rem; margin-bottom: 18px; }
    .hero-stats { gap: 24px; margin-top: 28px; }
    .hero-stat .stat-value { font-size: 1.2rem; }
    .hero-stat + .hero-stat::before { left: -12px; height: 22px; }

    /* Sections */
    .section { padding: 36px 0; }
    .section-header { margin-bottom: 24px; }

    /* Product Cards — 2-col */
    .products-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .product-card .card-image { height: 130px; }
    .product-card .card-body { padding: 10px; }
    .product-card .card-title { font-size: 0.84rem; }
    .product-card .card-description { font-size: 0.72rem; margin-bottom: 8px; }
    .product-card .card-price { font-size: 1rem; }
    .product-card .card-stock { font-size: 0.64rem; }
    .product-card .add-to-cart-btn { padding: 7px; font-size: 0.72rem; margin-top: 8px; }
    .product-card .card-badge { top: 8px; left: 8px; padding: 2px 8px; font-size: 0.58rem; }

    /* Search + Toolbar — Mobile */
    .catalog-toolbar { flex-direction: column; align-items: stretch; gap: 10px; }
    .search-box { max-width: 100%; }

    /* Filters — scroll */
    .category-filters {
        justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap;
        padding-bottom: 6px; scrollbar-width: none; gap: 6px;
        -webkit-overflow-scrolling: touch;
    }
    .category-filters::-webkit-scrollbar { display: none; }
    .filter-btn { white-space: nowrap; flex-shrink: 0; padding: 6px 14px; }

    /* Features */
    .features-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .feature-card { padding: 16px; }
    .feature-card .feature-icon { width: 38px; height: 38px; font-size: 0.95rem; margin-bottom: 10px; }
    .feature-card h3 { font-size: 0.82rem; }
    .feature-card p { font-size: 0.74rem; }

    /* Product Detail */
    .product-detail { gap: 18px; padding: 16px 0; }
    .product-image-wrapper { position: relative; top: 0; aspect-ratio: 16/9; }
    .product-info h1 { font-size: 1.35rem; }
    .product-price-large { font-size: 1.6rem; }
    .product-info .product-price-box { padding: 12px 14px; }
    .variant-selector { padding: 12px; }
    .variant-pills { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 6px; }
    .variant-pill { padding: 8px 6px; }
    .variant-pill .variant-pill-name { font-size: 0.74rem; }
    .variant-pill .variant-pill-price { font-size: 0.68rem; }
    .detail-tabs { overflow-x: auto; scrollbar-width: none; }
    .detail-tabs::-webkit-scrollbar { display: none; }
    .detail-tab { padding: 8px 12px; font-size: 0.76rem; }

    /* Cart */
    .cart-item { gap: 10px; padding: 10px; }
    .cart-item .item-image { width: 60px; height: 46px; }
    .cart-summary { border-radius: var(--radius-md); padding: 16px; position: relative; top: 0; }

    /* Checkout — Mobile Responsive */
    .checkout-steps {
        width: 100%; justify-content: center;
        overflow-x: auto; scrollbar-width: none;
        padding: 4px; gap: 2px;
    }
    .checkout-steps::-webkit-scrollbar { display: none; }
    .checkout-step { padding: 6px 10px; font-size: 0.72rem; }
    .checkout-step span { display: none; }
    .checkout-step.active span, .checkout-step.done span { display: inline; }
    .checkout-panel { padding: 14px; border-radius: var(--radius-md); }
    .checkout-panel h2 { font-size: 0.98rem; }
    .checkout-layout { gap: 14px; }
    
    /* New checkout layout mobile */
    .pay-amount-strip { 
        flex-direction: column; align-items: flex-start; gap: 8px; 
        padding: 12px 14px;
    }
    .pay-amount-left { flex-direction: column; gap: 4px; align-items: flex-start; }
    .pay-amount-value { font-size: 1.5rem; }
    .pay-amount-badge { align-self: flex-start; }
    
    .pay-grid { grid-template-columns: 1fr; gap: 14px; }
    .pay-qr-side { 
        flex-direction: row; gap: 10px; align-items: stretch;
    }
    .pay-qr-container { padding: 12px; flex: 1; }
    .pay-qr-frame img { width: 120px; height: 120px; }
    .pay-warning-box { flex: 1; }
    
    .pay-field { padding: 8px 10px; }
    .pay-field-value { font-size: 0.78rem; }
    .pay-steps-list li { font-size: 0.74rem; }
    
    .pay-action-row { flex-direction: column-reverse; gap: 8px; }
    .pay-action-row .btn { width: 100%; justify-content: center; }
    
    /* Legacy checkout support */
    .payment-info { padding: 14px; }
    .payment-info .payment-amount { font-size: 1.8rem; }
    .wallet-address { padding: 8px 12px; gap: 8px; flex-wrap: wrap; }
    .wallet-address .address-text { font-size: 0.72rem; }
    .wallet-address .copy-btn { padding: 5px 10px; font-size: 0.7rem; }
    .checkout-instructions { padding: 12px 14px; }
    .checkout-instructions ol { font-size: 0.78rem; line-height: 1.75; padding-left: 16px; }
    .checkout-warning { padding: 10px 14px; }
    .checkout-warning ul { font-size: 0.74rem; padding-left: 16px; }
    .checkout-txid-section { padding: 12px; }
    .payment-info .qr-code { padding: 10px; }
    .payment-info .qr-code img { width: 140px; height: 140px; }

    /* Footer */
    .footer { padding: 28px 0 14px; margin-top: 36px; }
    .footer-grid { grid-template-columns: 1fr; gap: 18px; }
    .footer-brand p { max-width: 100%; }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }

    /* WhatsApp */
    .whatsapp-float { bottom: 16px; right: 16px; width: 46px; height: 46px; font-size: 22px; }
}

/* ============================================
   Responsive — Small Mobile (480px)
   ============================================ */
@media (max-width: 480px) {
    .container { padding: 0 12px; }
    .hero { padding: 24px 0 20px; }
    .hero h1 { font-size: 1.55rem; }
    .hero p { font-size: 0.84rem; }
    .hero-actions { flex-direction: column; gap: 8px; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .hero-stats { gap: 16px; flex-wrap: wrap; }
    .hero-stat .stat-value { font-size: 1.1rem; }
    .hero-stat + .hero-stat::before { display: none; }

    .products-grid { gap: 8px; }
    .product-card .card-image { height: 110px; }
    .product-card .card-body { padding: 8px; }
    .product-card .card-title { font-size: 0.78rem; }
    .product-card .card-description { -webkit-line-clamp: 1; font-size: 0.68rem; margin-bottom: 6px; }
    .product-card .card-footer { padding-top: 8px; }
    .product-card .card-price { font-size: 0.92rem; }
    .product-card .add-to-cart-btn { padding: 6px; font-size: 0.7rem; }

    .features-grid { grid-template-columns: 1fr; }
    .product-detail { gap: 14px; padding: 10px 0; }
    .product-info h1 { font-size: 1.2rem; }
    .product-price-large { font-size: 1.4rem; }
    .variant-pills { grid-template-columns: repeat(2, 1fr); }

    .cart-item .item-image { width: 52px; height: 40px; }
    .cart-item { padding: 8px; gap: 8px; }
    .checkout-panel { padding: 12px; }
    .payment-info .payment-amount { font-size: 1.5rem; }
    
    /* Checkout small mobile */
    .pay-amount-value { font-size: 1.3rem; }
    .pay-qr-side { flex-direction: column; }
    .pay-qr-frame img { width: 100px; height: 100px; }
    .pay-qr-container { padding: 10px; }
    .pay-steps-list li { font-size: 0.72rem; padding-left: 22px; }
    .pay-steps-list li::before { width: 16px; height: 16px; font-size: 0.58rem; }
}

/* ============================================
   Responsive — Tiny (360px)
   ============================================ */
@media (max-width: 360px) {
    .container { padding: 0 10px; }
    html { font-size: 13px; }
    .hero h1 { font-size: 1.4rem; }
    .product-card .card-image { height: 95px; }
}

/* ============================================
   Currency Converter — Premium LATAM v2
   ============================================ */

/* --- Nav Currency Button --- */
.currency-dropdown { position: relative; }

.currency-btn {
    display: flex; align-items: center; gap: 5px;
    background: rgba(6, 182, 212, 0.06);
    border: 1px solid rgba(6, 182, 212, 0.15);
    padding: 5px 12px; border-radius: var(--radius-full);
    color: var(--accent-cyan); font-weight: 700; font-size: 0.78rem;
    cursor: pointer; transition: all var(--transition-fast);
    font-family: var(--font-primary);
}
.currency-btn:hover,
.currency-btn.open {
    border-color: rgba(6, 182, 212, 0.4);
    background: rgba(6, 182, 212, 0.12);
    color: #fff;
    box-shadow: 0 0 12px rgba(6, 182, 212, 0.1);
}
.currency-flag { line-height: 1; display: flex; align-items: center; }
.currency-flag .fi { font-size: 1rem; border-radius: 2px; box-shadow: 0 0 0 1px rgba(255,255,255,0.1); }
.currency-code { letter-spacing: 0.04em; font-family: var(--font-mono); font-size: 0.72rem; }
.currency-chevron {
    font-size: 0.5rem; color: var(--accent-cyan);
    transition: transform 0.25s var(--ease); opacity: 0.7;
}
.currency-btn.open .currency-chevron { transform: rotate(180deg); opacity: 1; }

/* --- Dropdown Menu (Glassmorphism) --- */
.currency-menu {
    position: absolute; top: calc(100% + 8px); right: 0;
    background: rgba(20, 26, 42, 0.95);
    backdrop-filter: blur(20px) saturate(1.3);
    -webkit-backdrop-filter: blur(20px) saturate(1.3);
    border: 1px solid rgba(6, 182, 212, 0.12);
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(249,115,22,0.05);
    width: 260px; max-height: 380px; overflow-y: auto;
    opacity: 0; visibility: hidden;
    transform: translateY(-8px) scale(0.97);
    transition: all 0.22s var(--ease);
    z-index: 1100;
    padding: 6px;
}
.currency-menu.open {
    opacity: 1; visibility: visible;
    transform: translateY(0) scale(1);
}

.currency-menu::-webkit-scrollbar { width: 3px; }
.currency-menu::-webkit-scrollbar-track { background: transparent; }
.currency-menu::-webkit-scrollbar-thumb { background: rgba(249,115,22,0.2); border-radius: 10px; }

.currency-divider {
    height: 1px; margin: 4px 8px;
    background: linear-gradient(90deg, transparent, rgba(249,115,22,0.15), transparent);
}

/* --- Dropdown Option --- */
.currency-option {
    display: flex; align-items: center; gap: 8px;
    width: 100%; padding: 8px 10px;
    background: transparent; border: none;
    color: var(--text-secondary); font-size: 0.78rem;
    font-family: var(--font-primary); font-weight: 500;
    cursor: pointer; border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-align: left; position: relative;
}
.currency-option:hover {
    background: rgba(6, 182, 212, 0.08);
    color: var(--text-primary);
}
.currency-option.active {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
    font-weight: 700;
}
.co-flag { flex-shrink: 0; display: flex; align-items: center; }
.co-flag .fi { font-size: 1.1rem; border-radius: 2px; box-shadow: 0 0 0 1px rgba(255,255,255,0.08); }
.co-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 0; }
.co-name {
    font-size: 0.76rem; font-weight: 600;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.co-symbol { font-size: 0.62rem; color: var(--text-muted); font-weight: 500; }
.currency-option.active .co-name { color: var(--accent-cyan); }
.currency-option.active .co-symbol { color: rgba(249,115,22,0.6); }
.co-code {
    font-family: var(--font-mono); font-size: 0.65rem;
    color: var(--text-muted); font-weight: 600; letter-spacing: 0.05em;
    opacity: 0.7;
}
.currency-option.active .co-code { color: var(--accent-cyan); opacity: 1; }
.co-check {
    font-size: 0.62rem; color: var(--accent-cyan);
    margin-left: auto; flex-shrink: 0;
}

/* ============================================
   Local Price Badge — Premium Glassmorphism
   ============================================ */
.local-price {
    margin-top: 3px;
    animation: lpbFadeIn 0.35s ease forwards;
}

.local-price-badge {
    display: inline-flex; align-items: center; gap: 4px;
    background: linear-gradient(135deg, rgba(249,115,22,0.1), rgba(239,68,68,0.06));
    border: 1px solid rgba(249,115,22,0.15);
    padding: 2px 8px 2px 5px;
    border-radius: var(--radius-full);
    font-size: 0.68rem; font-weight: 700;
    color: var(--accent-cyan);
    white-space: nowrap;
    backdrop-filter: blur(4px);
    transition: all var(--transition-fast);
}
.local-price-badge:hover {
    border-color: rgba(249,115,22,0.3);
    background: linear-gradient(135deg, rgba(249,115,22,0.15), rgba(239,68,68,0.1));
    box-shadow: 0 0 8px rgba(249,115,22,0.08);
}

.lpb-flag { line-height: 1; display: flex; align-items: center; }
.lpb-flag .fi { font-size: 0.82rem; border-radius: 1.5px; box-shadow: 0 0 0 1px rgba(255,255,255,0.08); }
.lpb-amount { color: #fff5e6; font-weight: 800; letter-spacing: -0.01em; }
.lpb-code {
    font-family: var(--font-mono); font-size: 0.56rem;
    color: rgba(249,115,22,0.6); font-weight: 600;
    letter-spacing: 0.06em;
}

@keyframes lpbFadeIn {
    from { opacity: 0; transform: translateY(-3px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* --- Context-Specific Badge Sizes --- */

/* Product cards: compact */
.card-price .local-price { margin-top: 4px; display: block; }
.card-price .local-price-badge { font-size: 0.6rem; padding: 1px 6px 1px 4px; }
.card-price .lpb-flag .fi { font-size: 0.72rem; }
.card-price .lpb-code { font-size: 0.5rem; }

/* Product detail: large & prominent */
.product-price-box .local-price { margin-top: 5px; }
.product-price-box .local-price-badge {
    font-size: 0.82rem; padding: 4px 12px 4px 8px;
    background: linear-gradient(135deg, rgba(249,115,22,0.12), rgba(239,68,68,0.08));
    border-color: rgba(249,115,22,0.2);
}
.product-price-box .lpb-flag .fi { font-size: 1.05rem; }
.product-price-box .lpb-amount { font-size: 0.88rem; }
.product-price-box .lpb-code { font-size: 0.64rem; }

/* Variant pills */
.variant-pill .local-price { margin-top: 2px; }
.variant-pill .local-price-badge {
    font-size: 0.55rem; padding: 1px 5px 1px 3px;
    border: none; background: rgba(249,115,22,0.08);
}
.variant-pill .lpb-flag .fi { font-size: 0.62rem; }
.variant-pill .lpb-code { display: none; }

/* Cart items */
.item-price .local-price { margin-top: 3px; }
.item-price .local-price-badge { font-size: 0.65rem; }

/* Summary rows */
.summary-row .local-price { margin-top: 2px; display: block; text-align: right; }
.summary-row .local-price-badge { font-size: 0.64rem; }
.summary-row.total .local-price-badge {
    font-size: 0.72rem; padding: 3px 10px 3px 7px;
    background: linear-gradient(135deg, rgba(249,115,22,0.12), rgba(239,68,68,0.08));
    border-color: rgba(249,115,22,0.2);
}

/* Checkout payment amount */
.pay-amount-local {
    text-align: center; padding: 0 16px 12px;
    animation: lpbFadeIn 0.4s ease forwards;
}
.pay-amount-local:empty { display: none; }
.pay-amount-local .local-price-badge {
    font-size: 0.88rem; padding: 5px 14px 5px 10px;
    background: linear-gradient(135deg, rgba(249,115,22,0.1), rgba(239,68,68,0.06));
    border: 1px solid rgba(249,115,22,0.2);
    box-shadow: 0 2px 12px rgba(249,115,22,0.08);
}
.pay-amount-local .lpb-flag .fi { font-size: 1.1rem; }
.pay-amount-local .lpb-amount { font-size: 0.92rem; }
.pay-amount-local .lpb-code { font-size: 0.68rem; }

/* --- Responsive --- */
@media (max-width: 768px) {
    .currency-btn .currency-code { display: none; }
    .currency-btn { padding: 5px 8px; gap: 3px; }
    .currency-menu { width: 240px; right: -20px; }
}
@media (max-width: 480px) {
    .currency-menu { width: 220px; right: -50px; max-height: 300px; }
    .currency-option { padding: 7px 8px; }
    .product-price-box .local-price-badge { font-size: 0.72rem; }
}