body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #4a7c8c, #0b2f57); 
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: #fff;
    font-size: 18px; /* tamaño base mayor */
}
.welcome-img {
    display: flex;
    justify-content: center;
    margin-bottom: 15px;
}

.welcome-img img {
    max-width: 120px;
    height: auto;
    background: #fff;        /* fondo blanco */
    padding: 10px;           /* espacio alrededor */
    border-radius: 12px;     /* esquinas redondeadas */
    box-shadow: 0 4px 12px rgba(0,0,0,0.1); /* sombra sutil */
}


/* Contenedor principal */
.login-container {
    text-align: center;
    width: 380px;
}

/* Título */
h1 {
    font-size: 28px;  /* más grande */
    margin-bottom: 10px;
    font-weight: 700;
}

p {
    margin-top: 0;
    margin-bottom: 25px;
    font-size: 16px;  /* texto más claro */
    color: #dce6eb;
}

/* Caja del formulario */
.form-box {
    background: rgba(255, 255, 255, 0.12);
    padding: 30px 25px;
    border-radius: 14px;
    backdrop-filter: blur(6px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.25);
}

/* Inputs */
input[type="text"], 
input[type="password"] {
    width: 90%;
    padding: 14px;
    margin: 12px 0;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 8px;
    outline: none;
    font-size: 16px; /* inputs más grandes */
    background: rgba(255,255,255,0.1);
    color: #fff;
}

input::placeholder {
    color: #e0e6ea;
    font-size: 15px;
}

/* Enlace */
.link {
    display: block;
    margin: 15px 0;
    font-size: 15px;
    color: #e0f3ff;
    text-decoration: none;
    transition: 0.3s;
}
.link:hover {
    text-decoration: underline;
    color: #a6d9ff;
}

/* Botón */
button {
    background-color: #007bff;
    color: white;
    padding: 14px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    width: 100%;
    font-size: 16px; /* botón más grande */
    font-weight: 600;
    transition: background 0.3s ease, transform 0.2s ease;
}
button:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}


/* ===========================
   ESTILOS GENERALES
   =========================== */
body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #4a7c8c, #0b2f57);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #fff;
}

/* Contenedor principal */
.login-container {
    width: 100%;
    max-width: 380px;
    padding: 20px;
    text-align: center;
}

/* Logo */
.welcome-img {
    display: flex;
    justify-content: center;
    margin-bottom: 15px;
}

.welcome-img img {
    max-width: 120px;
    background: #fff;
    padding: 10px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Título */
h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
}

/* Texto */
p {
    font-size: 16px;
    margin-top: 0;
    margin-bottom: 20px;
    color: #e0edf3;
}

/* Caja formulario */
.form-box {
    background: rgba(255,255,255,0.14);
    padding: 25px;
    border-radius: 14px;
    backdrop-filter: blur(7px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.28);
}

/* Input */
input {
    width: 90%;
    padding: 14px;
    margin: 12px 0;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.10);
    color: #fff;
    font-size: 16px;
    outline: none;
}

input::placeholder {
    color: #e3ecf0;
}

/* Botón */
button {
    width: 100%;
    padding: 14px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 8px;
    margin-top: 10px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s ease;
}

button:hover {
    background: #0056b3;
    transform: translateY(-2px);
}

/* Enlace */
.link {
    color: #cfe8ff;
    display: block;
    margin-top: 12px;
    text-decoration: none;
}

.link:hover {
    text-decoration: underline;
}

/* ===========================
   MODO RESPONSIVE REAL
   =========================== */
@media (max-width: 480px) {

    .login-container {
        max-width: 92%;
        padding: 15px;
    }

    .form-box {
        padding: 20px;
    }

    input, button {
        font-size: 15px;
        padding: 13px;
    }

    h1 {
        font-size: 24px;
    }

    .welcome-img img {
        max-width: 100px;
    }
}