body { font-family: 'Segoe UI', sans-serif; background: #f0f2f5; margin: 0; padding: 0; }
.main-container { display: flex; flex-wrap: wrap; gap: 30px; padding: 30px; justify-content: center; }

/* Lado Esquerdo: Controles */
.controls-box { 
    background: white; padding: 25px; border-radius: 10px; 
    box-shadow: 0 4px 15px rgba(0,0,0,0.1); width: 320px; 
}
.input-group { margin-bottom: 15px; }
label { display: block; margin-bottom: 5px; font-weight: 600; color: #333; }
input { width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 5px; box-sizing: border-box; font-size: 16px; }
.btn-print { 
    width: 100%; padding: 15px; background: #2ecc71; color: white; 
    border: none; border-radius: 5px; font-size: 18px; font-weight: bold; cursor: pointer; margin-top: 10px;
}
.btn-print:hover { background: #27ae60; }

/* Lado Direito: O CARTAZ (Preview) */
#cartaz-area {
    width: 420px; height: 594px; /* Proporção A4 reduzida */
    background: #FFEB3B; /* Amarelo Gema */
    border: 20px solid #D50000; /* Vermelho Sangue */
    box-sizing: border-box;
    display: flex; flex-direction: column; align-items: center;
    text-align: center; color: #D50000;
    font-family: 'Impact', 'Arial Black', sans-serif;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.c-header { font-size: 48px; margin-top: 20px; text-transform: uppercase; letter-spacing: 2px; }
.c-produto { 
    font-size: 42px; line-height: 1.1; color: #000; margin: 20px 10px; flex-grow: 1; 
    display: flex; align-items: center; justify-content: center; 
}
.c-preco-wrapper { display: flex; align-items: flex-start; justify-content: center; margin-bottom: 40px; }
.c-moeda { font-size: 40px; margin-top: 25px; margin-right: 5px; }
.c-reais { font-size: 180px; line-height: 1; letter-spacing: -8px; }
.c-centavos-box { display: flex; flex-direction: column; margin-left: 5px; }
.c-centavos { font-size: 80px; line-height: 1; text-decoration: underline; margin-top: 10px; }
.c-unidade { font-size: 24px; color: #333; background: white; padding: 2px 8px; margin-top: 10px; border-radius: 4px; }
.c-footer { position: absolute; bottom: 10px; font-size: 14px; color: #000; font-family: sans-serif; }