body {
    margin: 0;
    background: linear-gradient(135deg, #232526 0%, #414345 100%);
    min-height: 100vh;
    font-family: Arial, sans-serif;
}

header {
    background: linear-gradient(90deg, #00adb5 0%, #393e46 100%);
    padding: 1rem;
    text-align: center;
    margin-bottom: 2rem;
    border-radius: 0 0 1rem 1rem;
}

header h1 {
    color: white;
    font-family: 'Orbitron', Arial, sans-serif;
    margin: 0;
    margin-bottom: 0.5rem;
}

.btn-link {
    border-radius: 2rem;
    background: #393e46;
    color: #fff;
    border: none;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
    padding: 0.5rem 1.5rem;
}

#mocha {
    margin: 20px;
    font-family: Arial, sans-serif;
    background: rgba(34, 40, 49, 0.95);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

/* Mejorar visibilidad de las estadísticas en móvil */
#mocha-stats {
    position: relative;
    background: rgba(255, 255, 255, 0.508) !important;
    color: #232526 !important;
    padding: 1rem !important;
    border-radius: 0.8rem !important;
    font-weight: bold !important;
}

#mocha .stats li {
    color: #232526 !important;
    margin: 0.2rem 0 !important;
}

.test.fail {
    color: #ff512f;
    background: rgba(255, 81, 47, 0.1);
    padding: 0.5rem;
    border-radius: 0.5rem;
    margin: 0.5rem 0;
}

.test.pass {
    color: #1fed64;
    background: rgba(67, 233, 123, 0.1);
    padding: 0.5rem;
    border-radius: 0.5rem;
    margin: 0.5rem 0;
}

h1,
h2,
h3 {
    color: #d0ddde;
    padding: 5px 0;
}

/* Responsive para móvil */
@media (max-width: 768px) {
    #mocha {
        margin: 10px;
        padding: 1rem;
    }

    #mocha .stats {
        font-size: 0.9rem !important;
        text-align: center !important;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .btn-link {
        padding: 0.4rem 1rem;
        font-size: 0.9rem;
    }
}