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

body {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    font-family: Arial, sans-serif;
    padding: 50px 20px;
    min-height: 100vh;
}

.container {
    max-width: 700px;
    margin: 0 auto;
}

h1 {
    text-align: center;
    color: white;
    margin-bottom: 10px;
    font-size: 42px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.subtitulo {
    text-align: center;
    color: rgba(255,255,255,0.9);
    margin-bottom: 30px;
    font-size: 16px;
}

.conversor {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    margin-bottom: 20px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 15px;
    align-items: end;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-weight: bold;
    color: #333;
}

input, select {
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

input:focus, select:focus {
    outline: none;
    border-color: #11998e;
}

button {
    padding: 12px 24px;
    background-color: #11998e;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0f8070;
}

#loading {
    text-align: center;
    color: white;
    font-size: 18px;
    padding: 20px;
}

#resultado {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    text-align: center;
    margin-bottom: 20px;
}

.resultado-valor {
    font-size: 48px;
    font-weight: bold;
    color: #11998e;
    margin: 20px 0;
}

.resultado-detalhes {
    font-size: 18px;
    color: #666;
}

.cotacoes-atuais {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.cotacoes-atuais h2 {
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

#listaCotacoes {
    display: grid;
    gap: 10px;
}

.cotacao-item {
    display: flex;
    justify-content: space-between;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 8px;
    border-left: 4px solid #11998e;
}

.cotacao-item strong {
    color: #333;
}

.cotacao-valor {
    font-size: 18px;
    font-weight: bold;
    color: #11998e;
}

.variacao {
    font-size: 14px;
    margin-left: 10px;
}

.variacao.positiva {
    color: #4caf50;
}

.variacao.negativa {
    color: #f44336;
}