/* Reset e configurações básicas */
* {
    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: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background: white;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.header h1 {
    color: #2c3e50;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.progress-bar {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.progress-step {
    padding: 10px 20px;
    border-radius: 25px;
    background: #e9ecef;
    color: #6c757d;
    font-weight: 500;
    transition: all 0.3s ease;
}

.progress-step.active {
    background: #667eea;
    color: white;
    transform: scale(1.05);
}

/* Main Content */
.main-content {
    flex: 1;
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

/* Form Sections */
.form-section {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid #f8f9fa;
}

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

.form-section h2 {
    color: #2c3e50;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-section h2::before {
    content: '';
    width: 4px;
    height: 30px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px;
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

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

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

.form-group label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input,
.form-group select {
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.form-group input:hover,
.form-group select:hover {
    border-color: #adb5bd;
}

/* Error Messages */
.error-message {
    color: #dc3545;
    font-size: 0.85rem;
    margin-top: 5px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.error-message.show {
    opacity: 1;
}

/* Payment Options */
.payment-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.payment-option {
    position: relative;
}

.payment-option input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.payment-label {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

.payment-label:hover {
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.1);
}

.payment-option input[type="radio"]:checked + .payment-label {
    border-color: #667eea;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.payment-icon {
    font-size: 1.5rem;
}

/* Payment Forms */
.payment-form {
    display: none;
    animation: fadeIn 0.5s ease;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* PIX Form */
.pix-info {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 12px;
    border: 2px dashed #667eea;
}

.pix-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.pix-info h3 {
    color: #2c3e50;
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.pix-info p {
  text-align: center;   /* centraliza o texto */
  word-wrap: break-word; /* quebra o texto longo automaticamente */
  white-space: normal;   /* garante quebra de linha */
}

.pix-benefits {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.benefit {
    color: #28a745;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Order Summary */
.order-summary {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 25px;
    border: 1px solid #e9ecef;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #e9ecef;
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-divider {
    height: 2px;
    background: #e9ecef;
    margin: 15px 0;
}

.summary-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.3rem;
    font-weight: 700;
    color: #2c3e50;
    padding: 15px 0;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 20px;
    justify-content: flex-end;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid #f8f9fa;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 150px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: white;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.security-info {
    color: #28a745;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .header {
        padding: 20px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .progress-bar {
        flex-direction: column;
        gap: 10px;
    }
    
    .main-content {
        padding: 25px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .payment-options {
        grid-template-columns: 1fr;
    }
    
    .pix-benefits {
        flex-direction: column;
        gap: 15px;
    }
    
    .form-actions {
        flex-direction: column-reverse;
    }
    
    .btn {
        width: 100%;
    }
    
    .footer {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.8rem;
    }
    
    .form-section h2 {
        font-size: 1.5rem;
    }
    
    .main-content {
        padding: 20px;
    }
    
    .pix-info {
        padding: 25px;
    }
    
    .pix-icon {
        font-size: 3rem;
    }
}

/* Animações adicionais */
.form-group input:valid {
    border-color: #28a745;
}

.form-group input:invalid:not(:placeholder-shown) {
    border-color: #dc3545;
}

.checkout-form {
    animation: slideUp 0.6s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading state */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}