cotacao.html

<!DOCTYPE html>
<html lang="pt-BR">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Cotação do Dólar | Tempo Real</title>
    <meta name="description" content="Acompanhe a cotação do dólar em tempo real.">
    <link href="https://fonts.googleapis.com/css2?family=Outfit:wght@300;500;700&display=swap" rel="stylesheet">
    <style>
        :root {
            --bg: #09090b;
            --surface: #18181b;
            --primary: #10b981; /* Emerald */
            --text-main: #f4f4f5;
            --text-muted: #a1a1aa;
        }

        body {
            font-family: 'Outfit', sans-serif;
            background-color: var(--bg);
            color: var(--text-main);
            margin: 0;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            background-image: radial-gradient(circle at top, rgba(16, 185, 129, 0.15), transparent 40%);
        }

        .dashboard {
            background: rgba(24, 24, 27, 0.6);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 24px;
            padding: 3rem;
            text-align: center;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
            width: 90%;
            max-width: 400px;
            position: relative;
            overflow: hidden;
        }

        .dashboard::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; height: 4px;
            background: linear-gradient(90deg, #34d399, #059669);
        }

        h1 {
            font-size: 1.25rem;
            font-weight: 500;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        .currency-pair {
            font-size: 0.9rem;
            color: var(--primary);
            font-weight: 700;
            background: rgba(16, 185, 129, 0.1);
            padding: 4px 12px;
            border-radius: 999px;
            display: inline-block;
            margin-bottom: 2rem;
        }

        #cotacao-display {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            text-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
            transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            min-height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .updating {
            transform: scale(1.05);
            color: #34d399;
        }

        .info-card {
            background: rgba(0,0,0,0.2);
            border-radius: 12px;
            padding: 1rem;
            margin-top: 2rem;
        }

        .info-card p {
            margin: 0.25rem 0;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        #ultima-atualizacao {
            color: var(--text-main);
            font-weight: 500;
        }
        
        .loader {
            display: inline-block;
            width: 2rem;
            height: 2rem;
            border: 3px solid rgba(255,255,255,0.1);
            border-radius: 50%;
            border-top-color: var(--primary);
            animation: spin 1s ease-in-out infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }
    </style>
</head>
<body>

    <main class="dashboard">
        <h1>Cotação do Dólar</h1>
        <div class="currency-pair">USD / BRL</div>

        <div id="cotacao-display">
            <div class="loader"></div>
        </div>

        <div class="info-card">
            <p>Valor comercial de <strong>venda</strong></p>
            <p>Atualizado às: <span id="ultima-atualizacao">...</span></p>
            <p style="font-size: 0.75rem; margin-top: 10px; opacity: 0.7;">Próxima atualização em 60s</p>
        </div>
    </main>

    <script>
        const API_URL = 'https://economia.awesomeapi.com.br/json/last/USD-BRL';
        const display = document.getElementById('cotacao-display');
        const updatedDisplay = document.getElementById('ultima-atualizacao');

        async function atualizarCotacao() {
            try {
                const response = await fetch(API_URL);
                const data = await response.json();
                const valorVenda = parseFloat(data.USDBRL.bid);
                
                const cotacaoFormatada = valorVenda.toLocaleString('pt-BR', {
                    style: 'currency',
                    currency: 'BRL'
                });

                display.classList.add('updating');
                display.innerText = cotacaoFormatada;
                
                setTimeout(() => {
                    display.classList.remove('updating');
                }, 300);

                updatedDisplay.innerText = new Date().toLocaleTimeString('pt-BR');
            } catch (error) {
                console.error('Erro:', error);
                display.innerText = 'Erro';
                display.style.fontSize = '2rem';
                display.style.color = '#ef4444';
            }
        }

        atualizarCotacao();
        setInterval(atualizarCotacao, 60000); 
    </script>

</body>
</html>