* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg1: #0f172a;
    --bg2: #111827;
    --card: rgba(255,255,255,0.08);
    --card-border: rgba(255,255,255,0.14);
    --text: #ffffff;
    --muted: #cbd5e1;
    --green: #22c55e;
    --red: #ef4444;
    --yellow: #facc15;
    --blue: #38bdf8;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(135deg, var(--bg1), var(--bg2));
    color: var(--text);
    min-height: 100vh;
    overflow: hidden;
}

.app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 20px;
    gap: 20px;
}

.topo {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 20px 24px;
    backdrop-filter: blur(8px);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-badge {
    width: 70px;
    height: 70px;
    border-radius: 18px;
    background: linear-gradient(135deg, #10b981, #14b8a6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    font-weight: bold;
}

.logo-area h1 {
    font-size: 34px;
    margin-bottom: 4px;
}

.logo-area p {
    color: var(--muted);
    font-size: 16px;
}

.status {
    padding: 12px 18px;
    border-radius: 14px;
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.30);
    color: #bbf7d0;
    font-weight: bold;
    font-size: 16px;
}

.conteudo {
    flex: 1;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

.painel-esquerdo,
.painel-direito {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mensagem-principal,
.resultado,
.erro,
.card-info,
.card-acessibilidade,
.card-propaganda {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 28px;
    backdrop-filter: blur(8px);
}

.mensagem-principal {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.mensagem-principal h2 {
    font-size: 48px;
    margin-bottom: 16px;
}

.mensagem-principal p {
    font-size: 22px;
    color: var(--muted);
}

.resultado {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    border-color: rgba(34, 197, 94, 0.35);
    box-shadow: 0 0 30px rgba(34, 197, 94, 0.15);
}

.resultado-label {
    color: #86efac;
    font-weight: bold;
    font-size: 22px;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.produto-nome {
    font-size: 46px;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 24px;
}

.produto-preco-area {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.preco-label {
    color: var(--muted);
    font-size: 24px;
}

.produto-preco {
    font-size: 88px;
    font-weight: bold;
    color: var(--yellow);
}

.produto-codigo {
    font-size: 22px;
    color: #bfdbfe;
}

.erro {
    text-align: center;
    border-color: rgba(239, 68, 68, 0.35);
    box-shadow: 0 0 30px rgba(239, 68, 68, 0.12);
}

.erro-titulo {
    font-size: 48px;
    font-weight: bold;
    color: #fca5a5;
    margin-bottom: 16px;
}

.erro-texto {
    font-size: 24px;
    color: #fecaca;
}

.card-info h3,
.card-acessibilidade h3,
.card-propaganda h3 {
    font-size: 28px;
    margin-bottom: 16px;
}

.card-info ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.card-info li {
    font-size: 20px;
    color: var(--muted);
    padding-left: 18px;
    position: relative;
}

.card-info li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--blue);
    font-size: 24px;
}

.card-acessibilidade p,
.card-propaganda p {
    font-size: 20px;
    color: var(--muted);
    line-height: 1.5;
}

.card-propaganda {
    background: linear-gradient(135deg, rgba(251,191,36,0.18), rgba(249,115,22,0.18));
    border-color: rgba(251,191,36,0.35);
}

.card-propaganda span {
    display: inline-block;
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: bold;
    color: #fde68a;
    letter-spacing: 1px;
}

.rodape {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    border-radius: 16px;
    background: var(--card);
    border: 1px solid var(--card-border);
    color: var(--muted);
    font-size: 16px;
}

.barcode-hidden {
    position: fixed;
    opacity: 0;
    pointer-events: none;
    left: -9999px;
    top: -9999px;
}

.hidden {
    display: none !important;
}

@media (max-width: 1200px) {
    .conteudo {
        grid-template-columns: 1fr;
    }

    .logo-area h1 {
        font-size: 28px;
    }

    .mensagem-principal h2,
    .erro-titulo {
        font-size: 38px;
    }

    .produto-nome {
        font-size: 36px;
    }

    .produto-preco {
        font-size: 72px;
    }
}