/* Estilos generales */
body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: radial-gradient(ellipse at center, #170d24 0%, #0e0a1a 100%);
    color: #fff;
}

/* Formulario con efecto neón */
form {
    background-color: rgba(0, 40, 80, 0.6);
    border: 2px solid #00aeff;
    border-radius: 12px;
    padding: 30px 40px;
    box-shadow: 0 0 1.5em 0.5em rgba(0, 123, 255, 0.5);
    text-align: center;
    backdrop-filter: blur(6px);
}

/* Título del formulario */
#title {
    color: #00aeff;
    font-size: 26px;
    margin-bottom: 20px;
    text-shadow: 0 0 0.6em #00aeff;
}

/* Campos de entrada */
input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 12px;
    margin: 12px 0;
    background-color: rgba(0, 40, 80, 0.8);
    border: 2px solid #00aeff;
    border-radius: 8px;
    color: #fff;
    font-size: 15px;
    outline: none;
    transition: 0.3s;
}

input:focus {
    box-shadow: 0 0 1em #00aeff;
    border-color: white;
}

/* Botón principal de enviar */
#iniciar {
    width: 100%;
    margin-top: 20px;
    padding: 12px;
    background-color: #002850;
    border: 2px solid #00aeff;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 0 1em #00aeff;
}

#iniciar:hover {
    background-color: #00aeff;
    color: #000;
    box-shadow: 0 0 1.5em #00aeff;
}

/* Botones generales con efecto neón */
button {
    --glow-color: #00aeff;
    --glow-spread-color: rgba(0, 123, 255, 0.75);
    --enhanced-glow-color: #add8ff;
    --btn-color: #002850;

    padding: 10px 20px;
    background-color: var(--btn-color);
    border: 2px solid var(--glow-color);
    border-radius: 10px;
    color: var(--glow-color);
    font-weight: bold;
    font-size: 14px;
    text-shadow: 0 0 0.5em var(--glow-color);
    box-shadow:
        0 0 1em 0.25em var(--glow-color),
        0 0 3em 1em var(--glow-spread-color),
        inset 0 0 0.75em 0.25em var(--glow-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

button:hover {
    background-color: var(--glow-color);
    color: #fff;
    box-shadow:
        0 0 1.5em 0.5em var(--glow-color),
        0 0 5em 2em var(--glow-spread-color),
        inset 0 0 1em 0.5em var(--enhanced-glow-color);
    text-shadow: 0 0 1em #fff;
}

/* Avatar circular con inicial */
.avatar {
    width: 100px;
    height: 100px;
    margin: 20px auto;
    border-radius: 50%;
    background-color: #00aeff;
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    font-weight: bold;
    box-shadow: 0 0 1em #00aeff;
}

/* Texto del rol */
.rol {
    text-align: center;
    font-size: 18px;
    margin-bottom: 20px;
    color: #add8ff;
}