/**
 * ============================================================================
 * PÁGINA DE CARRITO - ESTILOS
 * ============================================================================
 */

:root {
    --primary: #00d9ff;
    --primary-dark: #00a8cc;
    --accent: #ff00ff;
    --accent-light: #ff66ff;
    --bg-dark: #0a0a14;
    --bg-card: #14141f;
    --bg-hover: #1a1a2e;
    --border-color: rgba(0, 217, 255, 0.2);
    --text-light: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.6);
    --success: #00ff88;
    --warning: #ffaa00;
    --danger: #ff0066;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 12px 48px rgba(0, 217, 255, 0.3);
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background: linear-gradient(135deg, #0a0a14 0%, #1a0a2e 100%);
    color: var(--text-light);
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ============================================================================
   HEADER
   ============================================================================ */

.cart-header {
    background: var(--bg-card);
    border-bottom: 2px solid var(--border-color);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.cart-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.back-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.75rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.back-link:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(0, 217, 255, 0.1);
    transform: translateX(-3px);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-logo img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.secure-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--success);
    border-radius: 8px;
    color: var(--success);
    font-weight: 600;
}

/* ============================================================================
   PROGRESS STEPS
   ============================================================================ */

.progress-steps {
    background: var(--bg-card);
    padding: 2rem 0;
    margin-bottom: 3rem;
}

.progress-steps .container {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 800px;
}

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

.step-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.step.active .step-icon {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-color: var(--primary);
    color: var(--bg-dark);
    box-shadow: 0 4px 20px rgba(0, 217, 255, 0.5);
}

.step span {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.step.active span {
    color: var(--primary);
    font-weight: 700;
}

.step-line {
    width: 100px;
    height: 2px;
    background: var(--border-color);
    margin: 0 1rem;
}

/* ============================================================================
   MAIN CONTENT
   ============================================================================ */

.cart-main {
    padding: 2rem 0 4rem;
}

.cart-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 2rem;
}

/* ============================================================================
   CART PRODUCTS
   ============================================================================ */

.cart-products {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary);
}

.item-count {
    background: rgba(0, 217, 255, 0.15);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Empty Cart */
.empty-cart {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-icon {
    font-size: 5rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.empty-cart h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.empty-cart p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* Cart Items */
.cart-items-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cart-item {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.cart-item:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 20px rgba(0, 217, 255, 0.2);
}

.item-image {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    overflow: hidden;
    background: rgba(0, 217, 255, 0.05);
    border: 1px solid var(--border-color);
}

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

.item-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.item-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.item-description {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.item-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.spec-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.75rem;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--primary);
}

.item-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 1rem;
}

.item-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--success);
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem;
}

.qty-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(0, 217, 255, 0.2);
    color: var(--primary);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    transition: all 0.2s ease;
}

.qty-btn:hover:not(:disabled) {
    background: var(--primary);
    color: var(--bg-dark);
}

.qty-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.qty-value {
    min-width: 40px;
    text-align: center;
    font-weight: 700;
    font-size: 1rem;
}

.remove-btn {
    background: transparent;
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.remove-btn:hover {
    background: var(--danger);
    color: var(--text-light);
}

/* ============================================================================
   SUMMARY SIDEBAR
   ============================================================================ */

.cart-summary-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cart-summary {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    position: sticky;
    top: 120px;
}

.cart-summary h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary);
}

.summary-rows {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
}

.summary-row span:first-child {
    color: var(--text-muted);
}

.summary-row span:last-child {
    font-weight: 600;
    color: var(--text-light);
}

.shipping-info {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--warning);
    cursor: help;
}

.discount-row {
    color: var(--success);
}

.discount-amount {
    color: var(--success) !important;
}

.summary-divider {
    height: 2px;
    background: var(--border-color);
    margin: 0.5rem 0;
}

.total-row {
    font-size: 1.25rem;
    padding-top: 0.5rem;
}

.total-row span {
    color: var(--text-light) !important;
    font-weight: 700 !important;
}

.total-row span:last-child {
    color: var(--success) !important;
    font-size: 1.5rem;
}

/* Checkout Button */
.btn-checkout {
    width: 100%;
    padding: 1rem;
    margin-top: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border: none;
    border-radius: 10px;
    color: var(--bg-dark);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 217, 255, 0.3);
}

.btn-checkout:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 217, 255, 0.5);
}

.btn-checkout:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Trust Badges */
.trust-badges {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.trust-item i {
    font-size: 1.25rem;
    color: var(--success);
}

/* Info Cards */
.info-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
}

.info-card i {
    font-size: 2rem;
    color: var(--primary);
}

.info-content h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--text-light);
}

.info-content p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn-primary {
    padding: 0.875rem 1.75rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border: none;
    border-radius: 10px;
    color: var(--bg-dark);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 217, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 217, 255, 0.5);
}

.btn-full {
    width: 100%;
}

/* ============================================================================
   MODALS
   ============================================================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-hover);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    color: var(--primary);
}

.modal-close {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-light);
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.modal-close:hover {
    border-color: var(--danger);
    color: var(--danger);
    background: rgba(255, 0, 102, 0.1);
}

.modal-body {
    padding: 2rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

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

.payment-option {
    position: relative;
}

.payment-option input[type="radio"] {
    display: none;
}

.payment-option label {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-dark);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.payment-option:hover label {
    border-color: var(--primary);
    background: rgba(0, 217, 255, 0.05);
}

.payment-option input[type="radio"]:checked + label {
    border-color: var(--primary);
    background: rgba(0, 217, 255, 0.1);
}

.payment-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--primary);
}

.payment-info {
    flex: 1;
}

.payment-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--text-light);
}

.payment-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.payment-check {
    font-size: 1.5rem;
    color: var(--border-color);
    transition: all 0.3s ease;
}

.payment-option input[type="radio"]:checked + label .payment-check {
    color: var(--success);
}

/* Transfer Details */
.transfer-details {
    margin-top: 1.5rem;
}

.bank-info {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.bank-info h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.bank-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.bank-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.bank-row .label {
    color: var(--text-muted);
    font-weight: 500;
}

.bank-row .value {
    color: var(--text-light);
    font-weight: 600;
}

.alert-info {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 170, 0, 0.1);
    border: 1px solid var(--warning);
    border-radius: 8px;
    color: var(--warning);
}

.alert-info i {
    font-size: 1.25rem;
}

.alert-info p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (max-width: 1024px) {
    .cart-grid {
        grid-template-columns: 1fr;
    }

    .cart-summary {
        position: static;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .cart-header .container {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .brand-name {
        font-size: 1.25rem;
    }

    .progress-steps .container {
        gap: 0.5rem;
    }

    .step span {
        font-size: 0.75rem;
    }

    .step-line {
        width: 50px;
        margin: 0 0.5rem;
    }

    .cart-item {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .item-image {
        justify-self: center;
    }

    .item-actions {
        align-items: center;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .payment-method-card {
        padding: 0.75rem;
    }
    
    .payment-icon {
        width: 50px;
        height: 50px;
    }
}