body {
    margin: 0;
    font-family: Arial, sans-serif;
    overflow: hidden; /* Esconde a barra de rolagem enquanto o preloader está ativo */
}

#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9); /* Fundo branco translúcido */
    backdrop-filter: blur(10px); /* Efeito de blur */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 1s ease-out;
}

.coin-container {
    perspective: 1000px;
    margin-bottom: 20px;
}

.coin {
    width: 100px;
    height: 100px;
    background: linear-gradient(45deg, #f97316, #f59e0b); /* Gradiente laranja */
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 4em;
    color: white;
    font-weight: bold;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3); /* Sombra */
    animation: 
        rotateCoin 2s infinite ease-in-out,
        shadowPulse 2s infinite ease-in-out;
}

@keyframes rotateCoin {
    0% {
        transform: rotateY(0deg);
    }
    50% {
        transform: rotateY(180deg);
    }
    100% {
        transform: rotateY(360deg);
    }
}

@keyframes shadowPulse {
    0% {
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    }
    50% {
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    }
    100% {
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    }
}

.text-container {
    display: flex;
    font-size: 3em;
    font-weight: bold;
    color: #f97316;
}

.char {
    opacity: 0;
    transform: translateY(20px);
    animation: 
        fadeInUp 0.5s forwards;
}

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

/* Atraso para cada letra */
.char:nth-child(1) { animation-delay: 0.1s; }
.char:nth-child(2) { animation-delay: 0.2s; }
.char:nth-child(3) { animation-delay: 0.3s; }
.char:nth-child(4) { animation-delay: 0.4s; }
.char:nth-child(5) { animation-delay: 0.5s; }
.char:nth-child(6) { animation-delay: 0.6s; }
.char:nth-child(7) { animation-delay: 0.7s; }
.char:nth-child(8) { animation-delay: 0.8s; }
.char:nth-child(9) { animation-delay: 0.9s; }
.char:nth-child(10) { animation-delay: 1.0s; }

#content {
    padding: 20px;
}




/* Reset e configurações globais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: #f97316;
}

.logo-icon {
    background: linear-gradient(45deg, #f97316, #f59e0b);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #f97316;
}

.header-actions {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(45deg, #f97316, #f59e0b);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(249, 115, 22, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #f97316;
    border: 2px solid #f97316;
}

.btn-secondary:hover {
    background: #f97316;
    color: white;
}

.btn-primary.large, .btn-secondary.large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f97316 0%, #f59e0b 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.highlight {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.2rem 0.5rem;
    border-radius: 8px;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.search-bar {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.search-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    font-size: 1rem;
    outline: none;
    color: #333;
}

.search-btn {
    background: #f97316;
    color: white;
    border: none;
    padding: 1rem 1.5rem;
    cursor: pointer;
    font-size: 1.2rem;
    transition: background 0.3s ease;
}

.search-btn:hover {
    background: #ea580c;
}

/* Sections */
.categories, .products, .cta {
    padding: 4rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 3rem;
    color: #1e293b;
}

/* Categories */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.category-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.category-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.category-card p {
    color: #64748b;
}

/* Products */
.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.filters {
    display: flex;
    gap: 1rem;
}

.filter-select {
    padding: 0.75rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    background: white;
    color: #64748b;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.filter-select:focus {
    outline: none;
    border-color: #f97316;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.product-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #10b981;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.product-info {
    padding: 1.5rem;
}

.product-title {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.product-description {
    color: #64748b;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.product-price {
    margin-bottom: 1rem;
}

.crypto-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: #f97316;
}

.fiat-price {
    color: #64748b;
    font-size: 0.9rem;
    margin-left: 0.5rem;
}

.product-location {
    color: #64748b;
    font-size: 0.9rem;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: #f97316;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #f97316;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 1rem;
    text-align: center;
    color: #94a3b8;
}

/* Responsividade */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav {
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .hero-title {
        font-size: 2rem;
    }

    .search-bar {
        flex-direction: column;
    }

    .search-input, .search-btn {
        width: 100%;
    }

    .products-header {
        flex-direction: column;
        align-items: stretch;
    }

    .filters {
        flex-direction: column;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary.large, .btn-secondary.large {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 2rem 0;
    }

    .categories, .products, .cta {
        padding: 2rem 0;
    }

    .section-title {
        font-size: 2rem;
    }
}


/* Product Detail Page */
.product-detail {
    padding: 2rem 0;
    background: #f8fafc;
    min-height: 80vh;
}

.breadcrumb {
    margin-bottom: 2rem;
    color: #64748b;
}

.breadcrumb a {
    color: #f97316;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.product-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.product-images {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.main-image {
    margin-bottom: 1rem;
}

.main-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
}

.thumbnail-images {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.thumbnail-images img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.thumbnail-images img:hover {
    border-color: #f97316;
}

.product-info-detail {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    height: fit-content;
}

.product-title-detail {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #1e293b;
}

.product-price-detail {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e2e8f0;
}

.crypto-price-large {
    font-size: 2.5rem;
    font-weight: bold;
    color: #f97316;
    display: block;
}

.fiat-price-large {
    color: #64748b;
    font-size: 1.2rem;
    margin-top: 0.5rem;
}

.product-description-detail {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e2e8f0;
}

.product-description-detail h3 {
    margin-bottom: 1rem;
    color: #1e293b;
}

.product-description-detail h4 {
    margin: 1.5rem 0 0.5rem 0;
    color: #1e293b;
}

.product-description-detail ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.product-description-detail li {
    margin-bottom: 0.5rem;
    color: #64748b;
}

.seller-info {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e2e8f0;
}

.seller-info h3 {
    margin-bottom: 1rem;
    color: #1e293b;
}

.seller-card {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.seller-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #f97316, #f59e0b);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.seller-details h4 {
    margin-bottom: 0.25rem;
    color: #1e293b;
}

.seller-rating {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.seller-location, .seller-since {
    color: #64748b;
    font-size: 0.9rem;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn-outline {
    background: transparent;
    color: #64748b;
    border: 2px solid #e2e8f0;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-outline:hover {
    border-color: #f97316;
    color: #f97316;
}

.full-width {
    width: 100%;
}

.related-products {
    margin-top: 3rem;
}

.related-products h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #1e293b;
}

/* Responsividade para detalhes do produto */
@media (max-width: 768px) {
    .product-detail-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .product-title-detail {
        font-size: 1.5rem;
    }

    .crypto-price-large {
        font-size: 2rem;
    }

    .thumbnail-images {
        flex-wrap: wrap;
    }
}


/* Auth Pages */
.auth-section {
    padding: 3rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 80vh;
}

.auth-container {
    max-width: 500px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.auth-form {
    padding: 3rem;
    display: none;
}

.auth-form.active {
    display: block;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 2rem;
    font-weight: bold;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: #64748b;
}

.form {
    margin-bottom: 2rem;
}

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

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #374151;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    border-color: #f97316;
}

.form-group small {
    color: #64748b;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9rem;
    color: #64748b;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #e5e7eb;
    border-radius: 4px;
    margin-right: 0.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: #f97316;
    border-color: #f97316;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.forgot-password {
    color: #f97316;
    text-decoration: none;
    font-size: 0.9rem;
}

.forgot-password:hover {
    text-decoration: underline;
}

.auth-divider {
    text-align: center;
    margin: 2rem 0;
    position: relative;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e5e7eb;
}

.auth-divider span {
    background: white;
    padding: 0 1rem;
    color: #64748b;
    font-size: 0.9rem;
}

.social-login {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    background: white;
    color: #374151;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-social:hover {
    border-color: #f97316;
    color: #f97316;
}

.btn-social span {
    font-size: 1.2rem;
}

.auth-switch {
    text-align: center;
}

.auth-switch p {
    color: #64748b;
    margin: 0;
}

.auth-switch a {
    color: #f97316;
    text-decoration: none;
    font-weight: 600;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* Responsividade para auth */
@media (max-width: 768px) {
    .auth-container {
        margin: 0 1rem;
    }

    .auth-form {
        padding: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
    }
}


/* Checkout Page */
.checkout-section {
    padding: 2rem 0;
    background: #f8fafc;
    min-height: 80vh;
}

.checkout-container {
    max-width: 1000px;
    margin: 0 auto;
}

.checkout-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.product-summary, .payment-section, .buyer-info, .security-notice {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.product-summary h2, .payment-section h2, .buyer-info h2 {
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.product-checkout-card {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e2e8f0;
}

.product-checkout-card img {
    width: 100px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
}

.product-checkout-info h3 {
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.product-checkout-info p {
    color: #64748b;
    margin-bottom: 0.5rem;
}

.product-checkout-price .crypto-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: #f97316;
}

.product-checkout-price .fiat-price {
    color: #64748b;
    margin-left: 0.5rem;
}

.order-total {
    border-top: 1px solid #e2e8f0;
    padding-top: 1rem;
}

.total-line {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    color: #64748b;
}

.total-final {
    font-weight: bold;
    font-size: 1.1rem;
    color: #1e293b;
    border-top: 1px solid #e2e8f0;
    padding-top: 0.5rem;
    margin-top: 0.5rem;
}

.total-fiat {
    text-align: right;
    color: #64748b;
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* Payment Methods */
.payment-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.payment-method {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.payment-method:hover {
    border-color: #f97316;
}

.payment-method.active {
    border-color: #f97316;
    background: rgba(249, 115, 22, 0.05);
}

.payment-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #f97316, #f59e0b);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin-right: 1rem;
}

.payment-info {
    flex: 1;
}

.payment-info h3 {
    margin-bottom: 0.25rem;
    color: #1e293b;
}

.payment-info p {
    color: #64748b;
    font-size: 0.9rem;
}

.payment-radio input {
    width: 20px;
    height: 20px;
    accent-color: #f97316;
}

/* Payment Details */
.payment-details {
    display: none;
    margin-top: 1rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 12px;
}

.payment-details.active {
    display: block;
}

.payment-details h3 {
    margin-bottom: 1rem;
    color: #1e293b;
}

.wallet-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.wallet-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    background: white;
    color: #374151;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.wallet-btn:hover {
    border-color: #f97316;
    color: #f97316;
}

.wallet-btn span {
    font-size: 1.2rem;
}

.manual-payment {
    border-top: 1px solid #e2e8f0;
    padding-top: 2rem;
    margin-top: 2rem;
}

.manual-payment h4 {
    margin-bottom: 1rem;
    color: #1e293b;
}

.address-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.address-container code {
    flex: 1;
    padding: 1rem;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    word-break: break-all;
}

.copy-btn {
    padding: 1rem;
    background: #f97316;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
}

.copy-btn:hover {
    background: #ea580c;
}

.qr-code {
    margin-bottom: 2rem;
}

.qr-placeholder {
    width: 200px;
    height: 200px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
}

.qr-mock {
    width: 150px;
    height: 150px;
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    grid-template-rows: repeat(10, 1fr);
    gap: 2px;
}

.qr-pattern {
    background: #1e293b;
    border-radius: 1px;
}

.qr-pattern:nth-child(even) {
    background: transparent;
}

.payment-instructions ol {
    margin-left: 1.5rem;
}

.payment-instructions li {
    margin-bottom: 0.5rem;
    color: #64748b;
}

.transaction-monitor {
    margin-top: 2rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.status-dot.pending {
    background: #f59e0b;
}

.status-dot.confirmed {
    background: #10b981;
    animation: none;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.tx-hash {
    margin-top: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
}

.tx-hash code {
    word-break: break-all;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

/* Buyer Information */
.checkout-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.checkout-form .form-group {
    margin-bottom: 1.5rem;
}

.checkout-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #374151;
}

.checkout-form input, .checkout-form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.checkout-form input:focus, .checkout-form textarea:focus {
    outline: none;
    border-color: #f97316;
}

.checkout-form textarea {
    resize: vertical;
}

/* Security Notice */
.security-notice {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.security-notice h3 {
    color: white;
    margin-bottom: 1rem;
}

.security-notice ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.security-notice li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Checkout Actions */
.checkout-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.checkout-actions .btn-primary, .checkout-actions .btn-secondary {
    min-width: 200px;
}

/* Responsividade para checkout */
@media (max-width: 768px) {
    .checkout-content {
        padding: 0 1rem;
    }

    .product-checkout-card {
        flex-direction: column;
        text-align: center;
    }

    .checkout-form .form-row {
        grid-template-columns: 1fr;
    }

    .checkout-actions {
        flex-direction: column;
    }

    .checkout-actions .btn-primary, .checkout-actions .btn-secondary {
        width: 100%;
    }

    .wallet-options {
        gap: 0.5rem;
    }

    .address-container {
        flex-direction: column;
    }

    .address-container code {
        text-align: center;
    }
}