/* =====================================================
   CSS - ESTILO TIKTOK SHOP
   Cores e design idênticos ao TikTok Shop
   ===================================================== */

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

:root {
    /* Cores TikTok Shop - IDÊNTICAS */
    --tiktok-red: #FE2C55;
    --tiktok-red-dark: #E91E43;
    --tiktok-black: #161823;
    --tiktok-dark: #121212;
    --tiktok-gray-dark: #2F2F2F;
    --tiktok-gray: #545454;
    --tiktok-gray-light: #8A8B91;
    --tiktok-gray-lighter: #E8E8E8;
    --tiktok-bg: #F8F8F8;
    --tiktok-white: #FFFFFF;
    --tiktok-orange: #FF6B35;
    --tiktok-yellow: #FFFC00;
    --tiktok-green: #25D366;
    --tiktok-star: #FFCE00;
    
    /* Tipografia */
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--tiktok-bg);
    color: var(--tiktok-black);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 80px;
}

/* Header TikTok Style */
.header {
    background: var(--tiktok-white);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--tiktok-gray-lighter);
}

.header-back {
    font-size: 24px;
    color: var(--tiktok-black);
    text-decoration: none;
}

.header-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--tiktok-black);
}

.header-share {
    font-size: 20px;
    color: var(--tiktok-black);
}

/* Carrossel de Imagens */
.carousel-container {
    position: relative;
    width: 100%;
    background: var(--tiktok-white);
    overflow: hidden;
}

.carousel {
    display: flex;
    transition: transform 0.3s ease;
}

.carousel-slide {
    min-width: 100%;
    aspect-ratio: 1/1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
}

.carousel-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s;
}

.carousel-dot.active {
    background: var(--tiktok-white);
    width: 18px;
    border-radius: 3px;
}

.carousel-counter {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0,0,0,0.6);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
}

/* Seção de Produto */
.product-section {
    background: var(--tiktok-white);
    padding: 16px;
    margin-bottom: 8px;
}

.price-row {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 8px;
}

.price-current {
    font-size: 28px;
    font-weight: 700;
    color: var(--tiktok-red);
}

.price-currency {
    font-size: 16px;
    font-weight: 600;
    color: var(--tiktok-red);
}

.price-original {
    font-size: 14px;
    color: var(--tiktok-gray-light);
    text-decoration: line-through;
}

.discount-badge {
    background: var(--tiktok-red);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.product-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--tiktok-black);
    line-height: 1.4;
    margin-bottom: 12px;
}

.product-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.badge-shipping {
    background: #E8F5E9;
    color: #2E7D32;
}

.badge-hot {
    background: #FFEBEE;
    color: var(--tiktok-red);
}

.badge-official {
    background: #E3F2FD;
    color: #1565C0;
}

/* Rating e Vendas */
.product-stats {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--tiktok-gray);
}

.rating {
    display: flex;
    align-items: center;
    gap: 4px;
}

.stars {
    color: var(--tiktok-star);
    font-size: 14px;
}

.rating-number {
    font-weight: 600;
    color: var(--tiktok-black);
}

/* Seção de Opções */
.options-section {
    background: var(--tiktok-white);
    padding: 16px;
    margin-bottom: 8px;
}

.section-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--tiktok-black);
    margin-bottom: 12px;
}

.options-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.option-btn {
    padding: 10px 16px;
    border: 1.5px solid var(--tiktok-gray-lighter);
    border-radius: 8px;
    background: var(--tiktok-white);
    font-size: 14px;
    color: var(--tiktok-black);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.option-btn:hover {
    border-color: var(--tiktok-gray-light);
}

.option-btn.selected {
    border-color: var(--tiktok-red);
    background: #FFF5F6;
    color: var(--tiktok-red);
}

.option-btn.selected::before {
    content: '✓';
    font-size: 12px;
}

.color-preview {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--tiktok-gray-lighter);
}

.color-azul {
    background: linear-gradient(135deg, #002776 0%, #004AAD 100%);
}

.color-amarela {
    background: linear-gradient(135deg, #FFDF00 0%, #FFD000 100%);
}

/* Prova Social - Notificações Flutuantes */
.notification-popup {
    position: fixed;
    bottom: 100px;
    left: 16px;
    right: 16px;
    background: var(--tiktok-white);
    border-radius: 12px;
    padding: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateY(150%);
    transition: transform 0.4s ease;
    z-index: 90;
}

.notification-popup.show {
    transform: translateY(0);
}

.notification-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--tiktok-red) 0%, #FF7B54 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 16px;
}

.notification-content {
    flex: 1;
}

.notification-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--tiktok-black);
}

.notification-text {
    font-size: 12px;
    color: var(--tiktok-gray);
}

.notification-time {
    font-size: 11px;
    color: var(--tiktok-gray-light);
}

/* Seção de Comentários */
.reviews-section {
    background: var(--tiktok-white);
    padding: 16px;
    margin-bottom: 8px;
}

.reviews-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.reviews-count {
    font-size: 13px;
    color: var(--tiktok-gray);
}

.see-all {
    color: var(--tiktok-gray);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.review-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--tiktok-gray-lighter);
}

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

.review-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.review-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

.review-avatar-placeholder {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--tiktok-gray-lighter);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--tiktok-gray);
}

.review-info {
    flex: 1;
}

.review-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--tiktok-black);
}

.review-date {
    font-size: 12px;
    color: var(--tiktok-gray-light);
}

.review-stars {
    color: var(--tiktok-star);
    font-size: 12px;
    margin-bottom: 6px;
}

.review-text {
    font-size: 14px;
    color: var(--tiktok-black);
    line-height: 1.5;
}

.review-images {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.review-image {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    object-fit: cover;
}

/* Botão CTA Fixo */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--tiktok-white);
    padding: 12px 16px;
    display: flex;
    gap: 12px;
    align-items: center;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    z-index: 100;
}

.cta-icons {
    display: flex;
    gap: 16px;
}

.cta-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 10px;
    color: var(--tiktok-gray);
}

.cta-icon span:first-child {
    font-size: 20px;
    margin-bottom: 2px;
}

.cta-buttons {
    flex: 1;
    display: flex;
    gap: 8px;
}

.btn-cart {
    flex: 1;
    padding: 14px;
    border: 1.5px solid var(--tiktok-red);
    background: var(--tiktok-white);
    color: var(--tiktok-red);
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

.btn-buy {
    flex: 1.5;
    padding: 14px;
    border: none;
    background: var(--tiktok-red);
    color: white;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); box-shadow: 0 0 20px rgba(254, 44, 85, 0.4); }
}

/* Modal/Drawer */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-drawer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--tiktok-white);
    border-radius: 20px 20px 0 0;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    z-index: 201;
}

.modal-overlay.active .modal-drawer {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid var(--tiktok-gray-lighter);
    position: sticky;
    top: 0;
    background: var(--tiktok-white);
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--tiktok-gray-lighter);
    border: none;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-body {
    padding: 16px;
}

/* Formulários */
.form-step {
    display: none;
}

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

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--tiktok-black);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border: 1.5px solid var(--tiktok-gray-lighter);
    border-radius: 10px;
    font-size: 16px;
    color: var(--tiktok-black);
    transition: border-color 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--tiktok-red);
}

.form-input::placeholder {
    color: var(--tiktok-gray-light);
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row .form-group {
    flex: 1;
}

.form-row .form-group.small {
    flex: 0.4;
}

.btn-primary {
    width: 100%;
    padding: 16px;
    background: var(--tiktok-red);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: var(--tiktok-red-dark);
}

.btn-primary:disabled {
    background: var(--tiktok-gray-light);
    cursor: not-allowed;
}

/* Etapas do Formulário */
.steps-indicator {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
}

.step-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--tiktok-gray-lighter);
}

.step-dot.active {
    background: var(--tiktok-red);
    width: 24px;
    border-radius: 4px;
}

.step-dot.completed {
    background: var(--tiktok-green);
}

/* Página de Pagamento PIX */
.pix-container {
    text-align: center;
    padding: 20px;
}

.pix-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.pix-subtitle {
    font-size: 14px;
    color: var(--tiktok-gray);
    margin-bottom: 20px;
}

.pix-qr-container {
    background: var(--tiktok-bg);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
}

.pix-qr {
    width: 200px;
    height: 200px;
    margin: 0 auto 16px;
    background: white;
    border-radius: 12px;
    padding: 10px;
}

.pix-qr img {
    width: 100%;
    height: 100%;
}

.pix-timer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 16px;
    color: var(--tiktok-red);
    font-weight: 600;
}

.pix-timer-icon {
    font-size: 20px;
}

.pix-copy-section {
    margin-bottom: 20px;
}

.pix-copy-label {
    font-size: 14px;
    color: var(--tiktok-gray);
    margin-bottom: 8px;
}

.pix-copy-input {
    display: flex;
    gap: 8px;
}

.pix-copy-input input {
    flex: 1;
    padding: 12px;
    border: 1.5px solid var(--tiktok-gray-lighter);
    border-radius: 8px;
    font-size: 12px;
    color: var(--tiktok-black);
}

.btn-copy {
    padding: 12px 20px;
    background: var(--tiktok-black);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
}

.pix-instructions {
    text-align: left;
    background: var(--tiktok-bg);
    border-radius: 12px;
    padding: 16px;
}

.pix-instructions h4 {
    font-size: 14px;
    margin-bottom: 12px;
}

.pix-instructions ol {
    padding-left: 20px;
    font-size: 13px;
    color: var(--tiktok-gray);
}

.pix-instructions li {
    margin-bottom: 8px;
}

/* Página de Sucesso */
.success-container {
    text-align: center;
    padding: 40px 20px;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--tiktok-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 40px;
    color: white;
}

.success-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--tiktok-black);
}

.success-text {
    font-size: 14px;
    color: var(--tiktok-gray);
    margin-bottom: 30px;
    line-height: 1.6;
}

.order-summary {
    background: var(--tiktok-bg);
    border-radius: 12px;
    padding: 16px;
    text-align: left;
    margin-bottom: 20px;
}

.order-summary h4 {
    font-size: 14px;
    margin-bottom: 12px;
}

.order-item {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--tiktok-gray);
    margin-bottom: 8px;
}

/* Loading */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--tiktok-gray-lighter);
    border-top-color: var(--tiktok-red);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Toast Messages */
.toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: var(--tiktok-black);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 300;
    transition: transform 0.3s ease;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast.success {
    background: var(--tiktok-green);
}

.toast.error {
    background: var(--tiktok-red);
}

/* Responsive */
@media (min-width: 768px) {
    body {
        max-width: 480px;
        margin: 0 auto;
        box-shadow: 0 0 20px rgba(0,0,0,0.1);
    }
    
    .notification-popup {
        max-width: 448px;
        left: 50%;
        transform: translateX(-50%) translateY(150%);
    }
    
    .notification-popup.show {
        transform: translateX(-50%) translateY(0);
    }
    
    .sticky-cta {
        max-width: 480px;
        left: 50%;
        transform: translateX(-50%);
    }
}

/* Seleção de Cor Combinação */
.color-combo {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    border: 1.5px solid var(--tiktok-gray-lighter);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    align-items: center;
}

.color-combo:hover {
    border-color: var(--tiktok-gray-light);
}

.color-combo.selected {
    border-color: var(--tiktok-red);
    background: #FFF5F6;
}

.color-combo .colors {
    display: flex;
    gap: 4px;
}

.color-combo .color-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 0 0 1px var(--tiktok-gray-lighter);
}

.color-combo .combo-label {
    font-size: 14px;
    color: var(--tiktok-black);
}

.color-combo.selected .combo-label {
    color: var(--tiktok-red);
    font-weight: 500;
}