.container {
    background: #fff;
    padding: 40px 50px;
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(33,147,176,0.15);
    text-align: center;
    min-width: 320px;
}
.time-select {
    margin-bottom: 12px;
    font-size: 1.1em;
}
.time-select label {
    margin-right: 8px;
    color: #2193b0;
    font-weight: 500;
}
#gameTime {
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid #2193b0;
    font-size: 1em;
    background: #eaf6fb;
    color: #2193b0;
    outline: none;
    transition: border 0.2s;
}
#gameTime:focus {
    border: 2px solid #43e97b;
}

body {
    background: linear-gradient(135deg, #6dd5ed 0%, #2193b0 100%);
    font-family: 'Segoe UI', Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    padding: 20px;
}

.caixa-jogo {
    background: #fff;
    padding: 24px 10vw;
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(33,147,176,0.15);
    text-align: center;
    min-width: 220px;
    max-width: 400px;
    width: 100%;
}
.titulo-jogo {
    color: #2193b0;
    font-size: 2em;
    margin-bottom: 8px;
    letter-spacing: 1px;
}
.seletor-tempo {
    margin-bottom: 10px;
    font-size: 1.1em;
}
.seletor-tempo label {
    margin-right: 8px;
    color: #2193b0;
    font-weight: 500;
}
#tempo-jogo {
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid #2193b0;
    font-size: 1em;
    background: #eaf6fb;
    color: #2193b0;
    outline: none;
    transition: border 0.2s;
}
#tempo-jogo:focus {
    border: 2px solid #43e97b;
}
#botao-clique {
    padding: 16px 0;
    width: 90%;
    max-width: 320px;
    font-size: 1.2em;
    background: linear-gradient(90deg, #43e97b 0%, #38f9d7 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin: 20px 0;
    box-shadow: 0 2px 8px rgba(67,233,123,0.15);
    transition: background 0.2s, transform 0.1s;
    display: block;
}
#botao-clique:active {
    background: linear-gradient(90deg, #38f9d7 0%, #43e97b 100%);
    transform: scale(1.08);
}
#botao-reiniciar {
    padding: 10px 0;
    width: 80%;
    max-width: 220px;
    font-size: 1.1em;
    background: linear-gradient(90deg, #2196f3 0%, #6dd5ed 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 16px;
    box-shadow: 0 2px 8px rgba(33,147,176,0.12);
    transition: background 0.2s;
    display: block;
    margin-left: auto;
    margin-right: auto;
}
#botao-reiniciar:active {
    background: linear-gradient(90deg, #6dd5ed 0%, #2196f3 100%);
}
#pontuacao, #tempo {
    font-size: 1.15em;
    color: #333;
    margin: 8px 0;
}
#recorde {
    font-size: 1.15em;
    color: #e67e22;
    font-weight: bold;
    margin: 8px 0 0 0;
    letter-spacing: 1px;
}