/* ==========================================================================
   NEXUS MARKETPLACE — 10 UPGRADES CSS STYLESHEET
   ========================================================================== */

:root {
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --bg-card-hover: rgba(30, 41, 59, 0.95);
    --border-color: rgba(255, 255, 255, 0.1);
    --border-accent: rgba(56, 189, 248, 0.3);

    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;

    --accent-primary: #38bdf8;
    --accent-emerald: #10b981;
    --accent-purple: #8b5cf6;
    --accent-amber: #f59e0b;

    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'Fira Code', monospace;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;

    --transition: 0.25s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.15); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }

.container { max-width: 1180px; margin: 0 auto; padding: 0 1.5rem; }
.highlight { color: var(--accent-primary); }
.highlight-emerald { color: var(--accent-emerald); }

/* Top Security & Currency Bar */
.top-trust-bar {
    background: #0284c7; color: #fff; font-size: 0.8rem; font-weight: 600; padding: 0.4rem 0;
}

.trust-container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
.trust-items-left { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 0.4rem; }

.currency-selector-box { display: flex; align-items: center; gap: 0.4rem; font-size: 0.8rem; }
.currency-select {
    background: rgba(0, 0, 0, 0.2); border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff; border-radius: 4px; padding: 0.15rem 0.5rem; font-size: 0.78rem; outline: none; cursor: pointer;
}

/* Navigation Navbar */
.navbar {
    position: sticky; top: 0; width: 100%; z-index: 1000;
    background: rgba(15, 23, 42, 0.95); backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color); padding: 0.85rem 0;
}

.nav-container { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.nav-logo { display: flex; align-items: center; gap: 0.65rem; text-decoration: none; color: var(--text-main); }
.logo-badge {
    width: 34px; height: 34px; background: var(--accent-primary); color: #0f172a;
    border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
    font-family: var(--font-heading); font-weight: 800; font-size: 1.1rem;
}

.logo-name { font-family: var(--font-heading); font-weight: 800; font-size: 1.2rem; }
.logo-sub { color: var(--accent-primary); }

.nav-search-box { position: relative; flex-grow: 1; max-width: 480px; }
.search-icon { position: absolute; left: 1rem; top: 50%; transform: translateY(-50%); color: var(--text-dim); font-size: 0.9rem; }
#store-search-input {
    width: 100%; background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color); border-radius: var(--radius-full);
    padding: 0.55rem 1rem 0.55rem 2.5rem; color: var(--text-main);
    font-size: 0.9rem; outline: none; transition: var(--transition);
}
#store-search-input:focus { border-color: var(--accent-primary); box-shadow: 0 0 12px rgba(56, 189, 248, 0.2); }

.nav-actions { display: flex; align-items: center; gap: 1rem; }

.cart-btn {
    position: relative; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-color);
    color: var(--text-main); width: 40px; height: 40px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 1.1rem; transition: var(--transition);
}
.cart-btn:hover { border-color: var(--accent-primary); color: var(--accent-primary); }

.cart-badge {
    position: absolute; top: -4px; right: -4px; background: var(--accent-primary); color: #0f172a;
    font-size: 0.75rem; font-weight: 800; width: 18px; height: 18px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}

/* Hero Section */
.hero-section { padding: 4rem 0 2.5rem 0; text-align: center; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.35rem 0.85rem;
    background: rgba(56, 189, 248, 0.08); border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: var(--radius-full); color: var(--accent-primary); font-size: 0.8rem; font-weight: 600; margin-bottom: 1.25rem;
}

.hero-title {
    font-family: var(--font-heading); font-size: 3rem; font-weight: 800; line-height: 1.15;
    margin-bottom: 0.85rem; max-width: 850px; margin-left: auto; margin-right: auto;
}

.hero-subtitle { color: var(--text-muted); font-size: 1.1rem; max-width: 650px; margin: 0 auto 2rem auto; }

.hero-trust-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem;
    max-width: 950px; margin: 0 auto;
}

.trust-box {
    background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md);
    padding: 1.25rem; display: flex; align-items: center; gap: 1rem; text-align: left;
}

.trust-icon {
    width: 42px; height: 42px; border-radius: var(--radius-sm); background: rgba(56, 189, 248, 0.1);
    color: var(--accent-primary); display: flex; align-items: center; justify-content: center; font-size: 1.25rem;
}

.trust-info { display: flex; flex-direction: column; }
.trust-info strong { font-family: var(--font-heading); font-size: 0.95rem; font-weight: 700; }
.trust-info span { font-size: 0.78rem; color: var(--text-muted); }

/* Bundle Promo Banner */
.bundle-promo-section { padding: 1.5rem 0; }
.bundle-card {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.5), rgba(15, 23, 42, 0.9));
    border: 1px solid var(--accent-primary); border-radius: var(--radius-lg); padding: 2rem; position: relative; overflow: hidden;
}

.bundle-badge {
    display: inline-block; background: var(--accent-amber); color: #0f172a; font-family: var(--font-heading);
    font-size: 0.75rem; font-weight: 800; padding: 0.25rem 0.75rem; border-radius: var(--radius-full); margin-bottom: 1rem;
}

.bundle-content-grid { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 2rem; align-items: center; }
.bundle-text h2 { font-family: var(--font-heading); font-size: 1.6rem; font-weight: 800; margin-bottom: 0.5rem; }
.bundle-text p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 1rem; }

.bundle-included-tags { display: flex; gap: 1rem; flex-wrap: wrap; font-size: 0.85rem; color: var(--accent-emerald); font-weight: 600; }

.bundle-action-box { text-align: center; background: rgba(0, 0, 0, 0.4); padding: 1.5rem; border-radius: var(--radius-md); border: 1px solid var(--border-color); }
.bundle-price-row { display: flex; align-items: center; justify-content: center; gap: 0.85rem; margin-bottom: 1rem; }
.old-price { text-decoration: line-through; color: var(--text-dim); font-size: 1.1rem; }
.new-price { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 800; color: var(--accent-emerald); }

/* Catalog Section */
.catalog-section { padding: 3rem 0 6rem 0; }
.catalog-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-bottom: 2rem; border-bottom: 1px solid var(--border-color); padding-bottom: 1rem; }
.category-tabs { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.tab-btn {
    background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border-color); color: var(--text-muted);
    padding: 0.45rem 1.1rem; border-radius: var(--radius-full); font-family: var(--font-heading); font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: var(--transition);
}
.tab-btn:hover, .tab-btn.active { background: var(--accent-primary); color: #0f172a; border-color: var(--accent-primary); }

.sort-wrapper { display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; color: var(--text-muted); }
.sort-select { background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-color); color: var(--text-main); padding: 0.4rem 0.85rem; border-radius: var(--radius-sm); outline: none; }

/* Product Cards */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.75rem; }

.product-card {
    background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 1.5rem; display: flex; flex-direction: column; transition: var(--transition);
}
.product-card:hover { border-color: var(--border-accent); transform: translateY(-2px); background: var(--bg-card-hover); }

.card-top-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.badge-tag { font-size: 0.75rem; font-weight: 600; padding: 0.2rem 0.65rem; border-radius: var(--radius-full); background: rgba(56, 189, 248, 0.1); color: var(--accent-primary); border: 1px solid rgba(56, 189, 248, 0.25); }
.py-tag { background: rgba(55, 118, 171, 0.15); color: #38bdf8; border-color: rgba(55, 118, 171, 0.3); }
.eth-tag { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); border-color: rgba(139, 92, 246, 0.3); }

.security-badge { font-size: 0.75rem; color: var(--accent-emerald); font-weight: 600; display: flex; align-items: center; gap: 0.3rem; }

.product-title { font-family: var(--font-heading); font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; }
.product-desc { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 1rem; flex-grow: 1; line-height: 1.5; }

.license-select-wrapper { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem; font-size: 0.8rem; color: var(--text-muted); }
.license-select { width: 100%; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-color); color: var(--text-main); padding: 0.35rem 0.65rem; border-radius: var(--radius-sm); outline: none; font-size: 0.8rem; }

.tech-stack-row { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 1rem; }
.stack-tag { font-size: 0.72rem; font-family: var(--font-mono); color: var(--text-muted); background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border-color); padding: 0.15rem 0.5rem; border-radius: 4px; }

.rating-row { display: flex; align-items: center; gap: 0.3rem; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 1.25rem; }
.star { color: var(--accent-amber); }

.product-footer { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--border-color); }
.price-box { display: flex; flex-direction: column; }
.price-val { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 800; color: var(--accent-primary); }

.card-btn-group { display: flex; gap: 0.4rem; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.65rem 1.25rem; font-family: var(--font-heading); font-size: 0.88rem; font-weight: 600;
    border-radius: var(--radius-sm); text-decoration: none; cursor: pointer; border: none; transition: var(--transition);
}

.btn-primary { background: var(--accent-primary); color: #0f172a; box-shadow: 0 4px 15px rgba(56, 189, 248, 0.25); }
.btn-primary:hover { background: #0284c7; color: #fff; transform: translateY(-2px); }

.btn-outline { background: transparent; color: var(--text-main); border: 1px solid var(--border-color); }
.btn-outline:hover { border-color: var(--accent-primary); color: var(--accent-primary); background: rgba(56, 189, 248, 0.05); }

.btn-sm { padding: 0.45rem 0.8rem; font-size: 0.8rem; }
.btn-block { width: 100%; margin-top: 0.5rem; }

/* Cart Drawer */
.cart-drawer-overlay {
    position: fixed; inset: 0; background: rgba(15, 23, 42, 0.85); backdrop-filter: blur(8px);
    z-index: 2000; display: flex; justify-content: flex-end; opacity: 0; pointer-events: none; transition: var(--transition);
}
.cart-drawer-overlay.active { opacity: 1; pointer-events: auto; }

.cart-drawer { width: 100%; max-width: 420px; height: 100%; background: #0f172a; border-left: 1px solid var(--border-color); display: flex; flex-direction: column; padding: 1.75rem; }
.cart-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; border-bottom: 1px solid var(--border-color); padding-bottom: 1rem; }
.close-cart-btn { background: none; border: none; color: var(--text-muted); font-size: 1.5rem; cursor: pointer; }

.cart-items-container { flex-grow: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 1rem; }
.empty-cart-msg { text-align: center; color: var(--text-dim); margin-top: 3rem; }

.cart-item { display: flex; align-items: center; justify-content: space-between; padding: 0.85rem; background: rgba(255, 255, 255, 0.03); border: 1px solid var(--border-color); border-radius: var(--radius-sm); }
.cart-item-title { font-family: var(--font-heading); font-size: 0.85rem; font-weight: 700; }
.cart-item-price { font-size: 0.8rem; color: var(--accent-primary); }
.cart-item-remove { background: none; border: none; color: #ef4444; cursor: pointer; font-size: 1rem; }

.cart-footer { border-top: 1px solid var(--border-color); padding-top: 1.25rem; display: flex; flex-direction: column; gap: 1rem; }
.promo-row { display: flex; gap: 0.5rem; }
.promo-row input { flex-grow: 1; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-color); border-radius: var(--radius-sm); padding: 0.45rem 0.75rem; color: var(--text-main); font-size: 0.85rem; outline: none; }
.cart-total-row { display: flex; justify-content: space-between; font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; }

/* Modals */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(15, 23, 42, 0.85); backdrop-filter: blur(12px);
    z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 1.5rem;
    opacity: 0; pointer-events: none; transition: var(--transition);
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }

.modal-card { width: 100%; max-width: 780px; max-height: 90vh; overflow-y: auto; background: #0f172a; border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 2.25rem; position: relative; }
.modal-close-btn { position: absolute; top: 18px; right: 18px; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-color); color: var(--text-muted); width: 34px; height: 34px; border-radius: 50%; font-size: 1.2rem; cursor: pointer; display: flex; align-items: center; justify-content: center; }

/* Preview Modal Styles */
.preview-tabs-header { display: flex; gap: 0.5rem; border-bottom: 1px solid var(--border-color); padding-bottom: 0.75rem; margin-bottom: 1.25rem; }
.prev-tab { background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border-color); color: var(--text-muted); padding: 0.4rem 0.85rem; border-radius: var(--radius-sm); font-size: 0.8rem; font-weight: 600; cursor: pointer; }
.prev-tab.active { background: var(--accent-primary); color: #0f172a; border-color: var(--accent-primary); }

.prev-tab-content { display: none; }
.prev-tab-content.active { display: block; }

.file-tree-box { background: rgba(0, 0, 0, 0.4); border: 1px solid var(--border-color); border-radius: var(--radius-sm); padding: 1rem; font-family: var(--font-mono); font-size: 0.85rem; }
.tree-line { padding: 0.2rem 0; color: var(--text-main); }
.indent-1 { padding-left: 1.5rem; }
.folder-icon { color: var(--accent-amber); }
.file-icon { color: var(--accent-primary); }

.security-info-box { display: flex; flex-direction: column; gap: 0.85rem; font-size: 0.9rem; }
.sec-row code { background: rgba(0, 0, 0, 0.5); padding: 0.2rem 0.5rem; border-radius: 4px; font-family: var(--font-mono); color: var(--accent-primary); font-size: 0.8rem; }

.reviews-list { display: flex; flex-direction: column; gap: 1rem; }
.review-item { background: rgba(255, 255, 255, 0.03); border: 1px solid var(--border-color); padding: 1rem; border-radius: var(--radius-sm); font-size: 0.9rem; }
.review-head { display: flex; justify-content: space-between; margin-bottom: 0.35rem; }

/* Checkout Grid */
.checkout-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 1.75rem; margin-top: 1.5rem; }
.order-summary-box { background: rgba(30, 41, 59, 0.5); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 1.25rem; }
.summary-divider { height: 1px; background: var(--border-color); margin: 1rem 0; }
.summary-total-row { display: flex; justify-content: space-between; font-family: var(--font-heading); font-size: 1.15rem; font-weight: 800; }
.security-guarantee-box { margin-top: 1.25rem; padding: 0.75rem; background: rgba(16, 185, 129, 0.08); border: 1px solid rgba(16, 185, 129, 0.25); border-radius: var(--radius-sm); font-size: 0.78rem; color: var(--accent-emerald); display: flex; align-items: center; gap: 0.5rem; }

.payment-tabs { display: flex; gap: 0.4rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.pay-tab { flex-grow: 1; background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border-color); color: var(--text-muted); padding: 0.5rem; border-radius: var(--radius-sm); font-size: 0.78rem; font-weight: 600; cursor: pointer; }
.pay-tab.active { background: rgba(16, 185, 129, 0.15); border-color: var(--accent-emerald); color: #fff; }

.pay-form { display: none; flex-direction: column; gap: 1rem; }
.pay-form.active { display: flex; }

.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label { font-size: 0.8rem; font-weight: 600; color: var(--text-muted); }
.form-group input, .form-group textarea, .form-group select { background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border-color); border-radius: var(--radius-sm); padding: 0.65rem 0.85rem; color: var(--text-main); font-size: 0.9rem; outline: none; }

.phone-wrapper { display: flex; align-items: center; }
.country-prefix { background: rgba(255, 255, 255, 0.08); padding: 0.65rem 0.85rem; border: 1px solid var(--border-color); border-right: none; border-radius: var(--radius-sm) 0 0 var(--radius-sm); font-size: 0.85rem; font-family: var(--font-mono); color: var(--accent-emerald); }
.phone-wrapper input { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; flex-grow: 1; }

.payment-result-box { margin-top: 1rem; padding: 1rem; border-radius: var(--radius-sm); font-size: 0.85rem; display: none; }
.payment-result-box.success { display: block; background: rgba(16, 185, 129, 0.15); border: 1px solid var(--accent-emerald); color: var(--accent-emerald); }

.token-box { margin-top: 0.75rem; padding: 0.75rem; background: rgba(0, 0, 0, 0.7); border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: 0.78rem; word-break: break-all; color: var(--accent-primary); }

/* Analytics Dashboard */
.analytics-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; }
.analytic-card { background: rgba(255, 255, 255, 0.03); border: 1px solid var(--border-color); padding: 1.25rem; border-radius: var(--radius-md); text-align: center; }
.an-val { font-family: var(--font-heading); font-size: 1.6rem; font-weight: 800; color: var(--accent-primary); display: block; }
.an-lbl { font-size: 0.75rem; color: var(--text-muted); }

/* Social Proof Toast Notification */
.social-proof-toast {
    position: fixed; bottom: 20px; left: 20px; z-index: 3000;
    background: rgba(15, 23, 42, 0.95); backdrop-filter: blur(12px); border: 1px solid var(--accent-primary);
    border-radius: var(--radius-md); padding: 0.85rem 1.25rem; display: flex; align-items: center; gap: 0.85rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); opacity: 0; transform: translateY(20px); transition: all 0.4s ease;
    pointer-events: none; max-width: 380px;
}
.social-proof-toast.active { opacity: 1; transform: translateY(0); pointer-events: auto; }

.toast-icon { width: 36px; height: 36px; border-radius: 50%; background: rgba(56, 189, 248, 0.15); color: var(--accent-primary); display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.toast-content { display: flex; flex-direction: column; font-size: 0.8rem; }
.toast-user { font-weight: 700; color: var(--text-main); }
.toast-action { color: var(--text-muted); }

.footer { border-top: 1px solid var(--border-color); padding: 2rem 0; background: #0f172a; margin-top: auto; }
.footer-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; font-size: 0.85rem; color: var(--text-dim); }
.trust-footer-badges { display: flex; gap: 1.25rem; font-size: 0.8rem; color: var(--text-muted); }

@media (max-width: 768px) {
    .checkout-grid { grid-template-columns: 1fr; }
    .bundle-content-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 2.25rem; }
    .nav-search-box { display: none; }
    .trust-container { justify-content: center; }
}