:root {
    --primary: #FFC502;
    --bg-dark: #1E2227;
    --card-bg: #2a2f36;
    --text-white: #ffffff;
    --text-muted: #b0b3b8;
    --btn-buy: #28a745;
    --accent-red: #ff4d4d;
}

* { box-sizing: border-box; }
html, body { overflow-x: hidden; width: 100%; margin: 0; padding: 0; }

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: 'Segoe UI', Roboto, sans-serif;
    display: flex; flex-direction: column; align-items: center;
    min-height: 100vh;
}

/* Header Minimalista */
.header {
    width: 100%; max-width: 600px;
    padding: 20px;
    display: flex; align-items: center;
}

.back-btn { 
    text-decoration: none; color: var(--primary); 
    font-weight: bold; font-size: 14px; 
    display: flex; align-items: center; gap: 5px;
}

/* Card Central de Detalhes */
.detail-card {
    width: 92%; max-width: 600px;
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    margin-bottom: 30px;
    border: 1px solid #3d444d;
}

/* Área da Imagem */
.product-hero {
    width: 100%;
    background: #fff;
    padding: 30px;
    display: flex; align-items: center; justify-content: center;
}

.product-hero img { 
    max-width: 100%; max-height: 300px; 
    object-fit: contain; 
}

/* Informações da Oferta */
.product-info { padding: 25px; }

.brand-label { 
    color: var(--primary); font-size: 12px; 
    text-transform: uppercase; font-weight: 800; 
    letter-spacing: 1px; margin-bottom: 8px; display: block;
}

.product-title { 
    font-size: 24px; font-weight: 800; 
    margin: 0 0 15px 0; line-height: 1.2; 
}

/* Preços estilo 'Boletando' */
.price-container { margin-bottom: 25px; }

.old-price { 
    text-decoration: line-through; color: var(--text-muted); 
    font-size: 16px; display: block; margin-bottom: 5px;
}

.current-price { 
    font-size: 36px; color: var(--primary); 
    font-weight: 900; display: block; 
}

/* Cupom */
.coupon-box {
    background: rgba(255, 197, 2, 0.1);
    border: 1px dashed var(--primary);
    padding: 12px; border-radius: 8px;
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 25px;
}

.coupon-text { font-size: 14px; color: var(--text-white); }
.coupon-code { font-weight: bold; color: var(--primary); font-size: 18px; }

/* Botão de Ação Principal */
.cta-button {
    display: block; width: 100%;
    background: var(--btn-buy);
    color: #fff; text-align: center;
    text-decoration: none; font-weight: 900;
    padding: 18px; border-radius: 10px;
    font-size: 18px; text-transform: uppercase;
    transition: transform 0.2s, background 0.2s;
}

.cta-button:active { transform: scale(0.98); }

/* Descrição Adicional */
.description-section {
    padding: 0 25px 25px 25px;
    border-top: 1px solid #3d444d;
    margin-top: 10px;
}

.description-title { font-size: 16px; font-weight: bold; margin: 20px 0 10px 0; color: var(--primary); }
.description-text { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

ul {
list-style-type: square;
margin: 20px;
padding: 0;
font-size: 14px;
color: var(--text-muted);
}