/* Configuración general */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f5f6fa;
    color: #252a34;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* Contenedor del inicio de sesión */
.login-container {
    width: 100%;
    max-width: 420px;
}

/* Tarjeta */
.login-card {
    background: #ffffff;
    padding: 35px;
    border: 1px solid #e2e5eb;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
}

/* Encabezado */
.login-card h1 {
    text-align: center;
    color: #315efb;
    font-size: 30px;
    margin-bottom: 8px;
}

.subtitle {
    text-align: center;
    color: #737987;
    margin-bottom: 30px;
    line-height: 1.5;
}

/* Campos del formulario */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 9px;
    margin-bottom: 20px;
}

.form-group label {
    color: #343a46;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d5d9e1;
    border-radius: 7px;
    font-size: 15px;
    color: #252a34;
    outline: none;
}

.form-group input:focus {
    border-color: #315efb;
    box-shadow: 0 0 0 3px rgba(49, 94, 251, 0.12);
}

/* Botón */
.login-card button {
    width: 100%;
    padding: 12px;
    background: #315efb;
    color: #ffffff;
    border: none;
    border-radius: 7px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.login-card button:hover {
    background: #2449cf;
}

/* Mensaje de error */
.error-message {
    background: #fdeaea;
    color: #b42318;
    padding: 14px;
    border: 1px solid #f5c2c0;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.5;
}

/* Texto inferior */
.footer-text {
    text-align: center;
    color: #858b98;
    font-size: 12px;
    margin-top: 25px;
    line-height: 1.5;
}

/* Adaptación para móviles */
@media (max-width: 480px) {

    .login-card {
        padding: 25px 20px;
    }

    .login-card h1 {
        font-size: 26px;
    }

}