@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@300;600;800&display=swap');

:root {
    --bg-color: #2e2e2e;
    --container-bg: #ffffff;
    --primary-color: #0077ff;
    --primary-hover: #005fd4;
    --text-color: #333;
    --accent-color: #0077ff;
}

body.dark {
    --bg-color: #121212;
    --container-bg: #1e1e1e;
    --primary-color: #00aaff;
    --primary-hover: #0088cc;
    --text-color: #f2f2f2;
    --accent-color: #00aaff;
}

body {
    margin: 0;
    font-family: 'Nunito', sans-serif;
    background: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: 40px 20px;
    color: white;
    transition: background 0.5s ease;
}

.container {
    width: 100%;
    max-width: 650px;
    background: var(--container-bg);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    text-align: center;
    color: var(--text-color);
    transition: background 0.4s ease, color 0.4s ease;
}

.logo {
    max-width: 160px;
    margin-bottom: 10px;
    transition: transform 0.3s ease;
}
.logo:hover {
    transform: scale(1.05);
}

h1.title {
    font-size: 1.8rem;
    margin-bottom: 20px;
    font-weight: 800;
    color: var(--text-color);
}

.form-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.form-container input {
    padding: 12px;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    width: 100%;
    box-sizing: border-box;
    transition: border-color 0.3s;
}
.form-container input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.form-container button {
    padding: 12px;
    font-size: 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
}
.form-container button:hover {
    background: var(--primary-hover);
    transform: scale(1.02);
}

.resultado {
    margin-top: 20px;
    font-weight: bold;
    color: var(--accent-color);
    word-break: break-word;
    transition: color 0.3s ease;
}

.estatisticas {
    margin-top: 30px;
    font-size: 15px;
    color: #555;
    transition: color 0.3s ease;
}


@media (max-width: 500px) {
    .form-container {
        gap: 6px;
    }

    .form-container input, 
    .form-container button {
        font-size: 0.9rem;
        padding: 10px 8px;
    }

    .logo {
        max-width: 120px;
    }

    #copiar {
        width: 100%;
    }

    .container {
        padding: 20px;
    }

    .form-container input, 
    .form-container button {
        font-size: 0.95rem;
        padding: 10px;
    }

    h1.title {
        font-size: 1.5rem;
    }
}