.fade-in {
    animation: fadeIn 0.3s ease-in;
    opacity: 1;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Transições suaves */
#address-fields {
    transition: all 0.3s ease-in-out;
}

#address-fields.hidden {
    display: none;
    opacity: 0;
    transform: translateY(-10px);
}

/* Estilo do loading */
#address-loading {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Animação de loading */
@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

#address-loading {
    animation: pulse 1s infinite;
}

/* Estilos específicos para o checkout */

/* Indicadores de etapa */
.step-indicator {
    transition: all 0.3s ease;
    position: relative;
}

.step-indicator.active {
    background: linear-gradient(135deg, #009C3B, #FFDF00);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 156, 59, 0.4);
}

.step-indicator.completed {
    background: #009C3B;
    color: white;
    box-shadow: 0 2px 10px rgba(0, 156, 59, 0.3);
}

/* Transições das etapas */
.form-step {
    transition: all 0.5s ease;
    opacity: 1;
    transform: translateX(0);
}

.form-step.hidden {
    opacity: 0;
    transform: translateX(20px);
    pointer-events: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

.form-step.visible {
    opacity: 1;
    transform: translateX(0);
    position: relative;
}

/* Cards de método de pagamento */
.payment-method-card {
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
}

.payment-method-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.1);
}

.payment-method-card.selected {
    border-color: #FFDF00;
    background: rgba(255, 223, 0, 0.1);
    box-shadow: 0 0 20px rgba(255, 223, 0, 0.3);
}

.payment-method-card.selected .w-5 {
    background: #FFDF00;
    border-color: #FFDF00;
}

/* Formulários de pagamento */
#pix-form, #credit-card-form {
    transition: all 0.3s ease;
}

#pix-form.hidden, #credit-card-form.hidden {
    display: none;
}

/* Campos de formulário */
.form-input {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    transition: all 0.3s ease;
}

.form-input:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: #FFDF00;
    box-shadow: 0 0 0 3px rgba(255, 223, 0, 0.1);
    outline: none;
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-input.border-red-500 {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Labels */
.form-label {
    color: white;
    font-weight: 500;
    margin-bottom: 0.5rem;
    display: block;
}

/* Mensagens de erro */
.error-message {
    color: #fca5a5;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    transition: all 0.3s ease;
}

.error-message.hidden {
    opacity: 0;
    transform: translateY(-5px);
}

/* Botões */
.btn-primary {
    background: #FFDF00;
    color: #002776;
    font-weight: bold;
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: #fbbf24;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(255, 223, 0, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Botões de navegação */
#next-step-1, #next-step-2 {
    background: #FFDF00;
    color: #002776;
    font-weight: bold;
    padding: 1rem 2rem;
    border-radius: 9999px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    width: 100%;
}

#next-step-1:hover, #next-step-2:hover {
    background: #fbbf24;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(255, 223, 0, 0.4);
}

#back-step-2, #back-step-3 {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 9999px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    flex: 1;
}

#back-step-2:hover, #back-step-3:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

/* Botões de pagamento */
#confirm-pix-order {
    background: #10b981;
    color: white;
    font-weight: bold;
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

#confirm-pix-order:hover {
    background: #059669;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

#process-card-payment {
    background: #3b82f6;
    color: white;
    font-weight: bold;
    padding: 1rem 2rem;
    border-radius: 9999px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    width: 100%;
}

#process-card-payment:hover {
    background: #2563eb;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

/* Botão de busca CEP */
#search-cep {
    background: #009C3B;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-weight: 600;
}

#search-cep:hover {
    background: #007a2e;
    transform: translateY(-1px);
}

/* Loading do CEP */
#address-loading {
    color: #FFDF00;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    font-style: italic;
}

/* Resumo do pedido */
#order-summary {
    transition: all 0.3s ease;
}

#order-summary.hidden {
    opacity: 0;
    transform: translateY(-10px);
}

/* Cupom */
#coupon-message {
    transition: all 0.3s ease;
}

#coupon-message.hidden {
    opacity: 0;
    transform: translateY(-5px);
}

/* Opções de Frete */
.shipping-option {
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
}

.shipping-option:hover {
    transform: translateY(-1px);
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.1);
}

.shipping-option.border-brasil-amarelo {
    border-color: #FFDF00;
    background: rgba(255, 223, 0, 0.1);
    box-shadow: 0 0 15px rgba(255, 223, 0, 0.2);
}

.shipping-radio {
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.shipping-radio.bg-brasil-amarelo {
    background: #FFDF00;
    border-color: #FFDF00;
    box-shadow: 0 0 10px rgba(255, 223, 0, 0.4);
}

/* Resumo do frete */
#shipping-summary {
    transition: all 0.3s ease;
}

/* Animação de entrada do frete */
.animate-fade-in {
    animation: fadeInUp 0.5s ease-out;
}

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

/* Responsividade */
@media (max-width: 768px) {
    .step-indicator {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 0.875rem;
    }

    .form-step {
        padding: 1.5rem;
    }

    #next-step-1, #next-step-2, #back-step-2, #back-step-3 {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
    }
}

/* Animações */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-step.visible {
    animation: fadeInUp 0.5s ease;
}

/* Estados de loading */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #FFDF00;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Indicadores de Progresso */
.step-indicator {
    transition: all 0.3s ease;
    position: relative;
}

.step-indicator.active {
    background: linear-gradient(135deg, #009C3B, #FFDF00);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(255, 223, 0, 0.3);
}

.step-indicator.completed {
    background: #009C3B;
    color: white;
    transform: scale(1.05);
}

.step-indicator:not(.active):not(.completed) {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Resumo Colapsável */
.summary-toggle {
    cursor: pointer;
    transition: all 0.3s ease;
}

.summary-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
}

.summary-arrow {
    transition: transform 0.3s ease;
}

.summary-arrow.rotated {
    transform: rotate(180deg);
}

.summary-content {
    transition: all 0.3s ease;
    overflow: hidden;
}

.summary-content.collapsed {
    max-height: 0;
    padding: 0;
    opacity: 0;
}

.summary-content.expanded {
    max-height: 1000px;
    opacity: 1;
}

/* Responsividade para Mobile */
@media (max-width: 1024px) {
    .step-indicator {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 0.875rem;
    }

    .step-indicator.active {
        transform: scale(1.05);
    }
}