/* ═══════════════════════════════════════════════════════════
   styles.css — Catálogo de Productos Odoo-Wompi
   Diseño premium dark mode con glassmorfismo
   ═══════════════════════════════════════════════════════════ */

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

/* ─── Variables / Tokens ──────────────────────────────────── */
:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.04);
    --bg-glass-hover: rgba(255, 255, 255, 0.08);

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #a78bfa);
    --accent-glow: rgba(99, 102, 241, 0.25);

    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-accent: rgba(99, 102, 241, 0.3);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px var(--accent-glow);

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Fondo con gradiente sutil */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ─── Header ──────────────────────────────────────────────── */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1rem 2rem;
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 800;
    color: white;
    flex-shrink: 0;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

.header-stats {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ─── Main Container ──────────────────────────────────────── */
.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem 3rem;
    position: relative;
    z-index: 1;
}

/* ─── Filter Bar ──────────────────────────────────────────── */
.filter-bar {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    flex: 1;
    min-width: 200px;
}

.filter-group.search-group {
    flex: 2;
    min-width: 280px;
}

.filter-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}

.filter-input,
.filter-select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.9rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    width: 100%;
}

.filter-input:focus,
.filter-select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.filter-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.filter-input::placeholder {
    color: var(--text-muted);
}

/* ─── Website Tabs ────────────────────────────────────────── */
.website-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.website-tab {
    padding: 0.5rem 1.25rem;
    border-radius: 100px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.website-tab:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
    border-color: var(--border-accent);
}

.website-tab.active {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

.website-tab .tab-count {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    padding: 0.1rem 0.5rem;
    border-radius: 100px;
    font-size: 0.7rem;
    margin-left: 0.4rem;
    font-weight: 600;
}

.website-tab.active .tab-count {
    background: rgba(255, 255, 255, 0.25);
}

/* ─── Products Grid ───────────────────────────────────────── */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

/* ─── Product Card ────────────────────────────────────────── */
.product-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    animation: fadeInUp 0.4s ease both;
    cursor: default;
}

.product-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-image-wrapper {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.05));
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.product-no-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--text-muted);
    opacity: 0.3;
}

.product-type-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.25rem 0.65rem;
    border-radius: 100px;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.product-type-badge.type-service {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.product-type-badge.type-consu {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.product-type-badge.type-product {
    background: rgba(99, 102, 241, 0.2);
    color: var(--accent-primary);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.product-website-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.25rem 0.65rem;
    border-radius: 100px;
    font-size: 0.65rem;
    font-weight: 600;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.product-info {
    padding: 1.25rem;
}

.product-category {
    font-size: 0.7rem;
    color: var(--accent-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.product-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-code {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: 'Inter', monospace;
    margin-bottom: 0.75rem;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-subtle);
}

.product-price {
    font-size: 1.2rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-price-currency {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* ─── Loading Skeletons ───────────────────────────────────── */
.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.skeleton-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    animation: skeletonPulse 1.5s infinite ease-in-out;
}

@keyframes skeletonPulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

.skeleton-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(90deg,
        rgba(255,255,255,0.02) 25%,
        rgba(255,255,255,0.06) 50%,
        rgba(255,255,255,0.02) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-info {
    padding: 1.25rem;
}

.skeleton-line {
    height: 12px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.06);
    margin-bottom: 0.75rem;
}

.skeleton-line.short { width: 40%; }
.skeleton-line.medium { width: 70%; }
.skeleton-line.long { width: 100%; }
.skeleton-line.price { width: 30%; height: 20px; margin-top: 1rem; }

/* ─── Empty / Error State ─────────────────────────────────── */
.state-message {
    text-align: center;
    padding: 4rem 2rem;
    grid-column: 1 / -1;
}

.state-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.state-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.state-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 400px;
    margin: 0 auto;
}

.state-message.error .state-title {
    color: var(--error);
}

/* ─── Back Link (header) ──────────────────────────────────── */
.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

.back-link:hover {
    color: var(--accent-primary);
}

.error-back-link {
    display: inline-block;
    margin-top: 1.5rem;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.error-back-link:hover {
    color: var(--accent-secondary);
}

/* ─── Product Detail Layout ───────────────────────────────── */
.detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.detail-container {
    animation: fadeInUp 0.4s ease both;
}

/* ── Detail Image ─────────────────────────────────────── */
.detail-image-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.detail-no-image {
    font-size: 6rem;
    color: var(--text-muted);
    opacity: 0.2;
}

/* ── Detail Info ──────────────────────────────────────── */
.detail-product-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 0.75rem;
}

.detail-product-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.detail-product-code {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: 'Inter', monospace;
    margin-bottom: 1.5rem;
}

/* ── Price Block ──────────────────────────────────────── */
.detail-price-block {
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    margin-bottom: 2rem;
}

.detail-price {
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.detail-price-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}

/* ── Attributes ───────────────────────────────────────── */
.detail-attributes {
    margin-bottom: 2rem;
}

.detail-no-attributes {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
    padding: 0.5rem 0;
}

.attribute-group {
    margin-bottom: 1.25rem;
}

.attribute-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
}

.attribute-select {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.attribute-select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.attribute-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* ── Pay Button ───────────────────────────────────────── */
.btn-pay {
    width: 100%;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: not-allowed;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: all var(--transition-normal);
}

.btn-pay.ready {
    background: var(--accent-gradient);
    color: white;
    cursor: pointer;
    box-shadow: var(--shadow-glow);
}

.btn-pay.ready:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 40px var(--accent-glow);
}

.btn-pay.ready:active {
    transform: translateY(0);
}

.btn-pay-icon {
    font-size: 1.3rem;
}

.btn-pay-note {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 0.5rem;
}

/* ── Detail Skeleton ──────────────────────────────────── */
.detail-skeleton .skeleton-detail-image {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-xl);
    background: var(--bg-card);
    animation: skeletonPulse 1.5s infinite ease-in-out;
}

/* ─── Checkout Modal ──────────────────────────────────────── */


.checkout-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.checkout-modal {
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg), 0 0 60px rgba(99, 102, 241, 0.15);
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.checkout-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    transition: all var(--transition-fast);
    z-index: 10;
}

.checkout-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: rotate(90deg);
}

/* ── Checkout Steps Indicator ─────────────────────────── */
.checkout-steps-indicator {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem 3rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 5;
}

.step-dot {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border-subtle);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all var(--transition-normal);
}

.step-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color var(--transition-normal);
}

.step-dot.active .step-number {
    border-color: var(--accent-primary);
    background: var(--accent-glow);
    color: var(--text-primary);
    box-shadow: 0 0 15px var(--accent-glow);
}

.step-dot.active .step-label {
    color: var(--accent-primary);
}

.step-dot.completed .step-number {
    border-color: var(--success);
    background: var(--success);
    color: white;
}

.step-line {
    flex: 1;
    height: 2px;
    background: var(--border-subtle);
    margin: 0 1rem;
    transform: translateY(-10px);
}

/* ── Checkout Form ────────────────────────────────────── */
.checkout-step {
    padding: 2rem 3rem 3rem;
}

.checkout-step-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-input,
.form-select {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: all var(--transition-fast);
    width: 100%;
}

.form-input:focus,
.form-select:focus {
    border-color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.form-select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    cursor: pointer;
}

.form-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ── Checkout Navigation ──────────────────────────────── */
.checkout-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-subtle);
}

.btn-next,
.btn-prev {
    padding: 0.85rem 1.5rem;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-next {
    background: var(--accent-primary);
    color: white;
    border: none;
}

.btn-next:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-prev {
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

.btn-prev:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.btn-wompi {
    background: var(--accent-gradient);
    color: white;
    border: none;
    padding: 0.85rem 2rem;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-normal);
}

.btn-wompi.ready:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px var(--accent-glow);
}

/* ── Checkout Summary ─────────────────────────────────── */
.checkout-summary {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

.summary-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px dashed var(--border-subtle);
}

.summary-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.summary-section h3 {
    font-size: 0.85rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.summary-item span {
    color: var(--text-secondary);
}

.summary-item strong {
    color: var(--text-primary);
    font-weight: 600;
    text-align: right;
}

.summary-price {
    font-size: 1.25rem !important;
    color: var(--accent-primary) !important;
}

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
    .header {
        padding: 0.75rem 1rem;
    }

    .header-inner {
        flex-direction: column;
        text-align: center;
    }

    .header-stats {
        gap: 1rem;
    }

    .main-container {
        padding: 1rem;
    }

    .filter-bar {
        flex-direction: column;
        gap: 0.75rem;
    }

    .filter-group,
    .filter-group.search-group {
        min-width: 100%;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 1rem;
    }

    .website-tabs {
        gap: 0.35rem;
    }

    .website-tab {
        padding: 0.4rem 0.9rem;
        font-size: 0.8rem;
    }

    .detail-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .detail-product-name {
        font-size: 1.35rem;
    }

    .detail-price {
        font-size: 1.5rem;
    }

    .back-link {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
}

/* ─── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}