/* Reset Básico */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    background-color: #f4f7f6;
    color: #333;
}

/* Cabeçalho Profissional */
header {
    text-align: center;
    padding: 2.5rem 1rem;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    border-radius: 0 0 30px 30px;
    margin-bottom: 2rem;
}

.logo-container h1 {
    font-size: 2.8rem;
    margin: 0;
    letter-spacing: -1px;
}

.highlight {
    color: #fbbf24; /* Amarelo Elétrico */
    font-weight: 300;
}

.subtitle {
    font-size: 1rem;
    opacity: 0.9;
    margin-top: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.domain {
    font-size: 0.8rem;
    background: rgba(255,255,255,0.1);
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    margin-top: 10px;
}

/* Container dos Cards */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    border-top: 4px solid #3b82f6;
}

.card h3 {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.card .value {
    font-size: 2rem;
    font-weight: bold;
    color: #1e3a8a;
}

/* Histórico */
.history {
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    margin-bottom: 30px;
}

#log-list {
    list-style: none;
    padding: 0;
}

#log-list li {
    padding: 10px;
    border-bottom: 1px solid #eee;
    font-size: 0.9rem;
    color: #555;
}

/* Botão */
.btn-simular {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 10px;
    background-color: #1e3a8a;
    color: white;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
    margin-bottom: 50px;
}

.btn-simular:hover {
    background-color: #3b82f6;
}