body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #070816;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

/* Container principal */
.container {
    width: 800px;
}

/* Título */
h2 {
    margin-bottom: 20px;
}

/* Botões */
.tabs {
    display: flex;
    background: #1b1e3b;
    border-radius: 15px 15px 0 0;
    overflow: hidden;
}

.tab {
    flex: 1;
    padding: 15px;
    background: #1b1e3b;
    border: none;
    color: #aaa;
    cursor: pointer;
    transition: 0.3s;
}

.tab:hover {
    background: #2a2d5c;
}

.tab.active {
    background: #25285c;
    color: #00ff88;
    border-bottom: 3px solid #00ff88;
}

/* Card */
.card {
    background: #121433;
    padding: 40px;
    border-radius: 0 0 15px 15px;
    text-align: center;
}

.card h3 {
    font-size: 22px;
    margin-bottom: 30px;
}

.tempo-texto {
    color: #00ff88;
    font-size: 14px;
    margin-bottom: 20px;
}

/* Contador */
.contador {
    display: flex;
    justify-content: center;
    gap: 40px;
}

.contador span {
    font-size: 60px;
    font-weight: bold;
}

.contador p {
    color: #00ff88;
    margin-top: 5px;
}