/* Estilo base para el Login */
body {
    font-family: 'Public Sans', sans-serif;
    background-color: #dbd7d7;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
}

.login-card {
    border: none;
    border-top: 5px solid var(--primary-gym); /* Variable dinámica */
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    background: #fff;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
}

.gym-logo {
    max-height: 80px;
    margin-bottom: 1.5rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.btn-gym {
    background-color: var(--primary-gym);
    color: white;
    border: none;
    padding: 0.8rem;
    border-radius: 8px;
    font-weight: 600;
    width: 100%;
    transition: 0.3s;
}

.btn-gym:hover {
    background-color: var(--secondary-gym);
    transform: translateY(-2px);
}