.login-container {
    margin: 5rem auto;
    width: 100%;
    max-width: 420px;
    padding: 2rem;
    background-color: #ffffff;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border-radius: 1.25rem;
}
.login-box h2 {
    margin-bottom: 1.5rem;
    color: var(--primary);
    text-align: center;
    font-weight: 700;
}

.input-grupo {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.input-grupo label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-main);
}

.input-grupo input {
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1.8px solid var(--primary);
    border-radius: 0.75rem;
    background-color: var(--background);
    color: var(--text-main);
    
    box-sizing: border-box;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.input-grupo input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 247, 255, 0.25);
    outline: none;
}

.error-message {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.remember-forget {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.forgot-password {
    color: var(--secondary);
    text-decoration: none;
}

.forgot-password:hover {
    text-decoration: underline;
}

.btn-submit {
    width: 100%;
    padding: 0.85rem;
    background-color: var(--primary);
    border: none;
    border-radius: 0.75rem;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
}

.btn-submit:hover {
    background-color: var(--secondary);
    transform: scale(1.03);
}